Publications of the Department of Sensors and Measurement Technology

A. Ahrens, M. Shamsuyeva, H.-J. Endres and S. Zimmermann (2024): Towards the development of an in-process quality monitoring system for polyethylene recyclates by pyrolysis gas chromatography ion mobility spectrometry,  Journal of Polymers and the Environment, vol. 32, no. 11, pp. 6045-6054, 2024
DOI: 10.1007/s10924-024-03362-x

A. Haack, C. Schaefer and S. Zimmermann (2024): On the arrival time distribution of reacting systems in ion mobility spectrometry,  Analytical Chemistry, vol. 96, no. 30, pp. 12433-12443, 2024
DOI: 10.1021/acs.analchem.4c02010

A. Nitschke, M. Hitzemann, J. Winkelholz, A.T. Kirk, M. Lippmann, C. Thoben, J.A. Wittwer and S. Zimmermann (2024): A hyper-fast gas chromatograph coupled to an ion mobility spectrometer with high repetition rate and flow-optimized ion source to resolve the short chromatographic peaks,  J. of Chromatography A, vol. 1736, 465376/1-9, 2024
DOI: 10.1016/j.chroma.2024.465376

A. Nitschke, M. Hitzemann, J. Winkelholz, T. Kobelt, C. Thoben, M. Lippmann, L. Stolpe, H. Plinke and S. Zimmermann (2024): Ultra-fast polarity switching GC-IMS for the analysis of volatiles in biogas,  Renewable Energy, vol. 231, 120941/1-9, 2024
DOI: 10.1016/j.renene.2024.120941

A.T. Kirk, T. Kobelt, M.J. Kueddelsmann and S. Zimmermann (2024): Gas chromatography and ion mobility spectrometry: A perfect match?,  LCGC International, vol. 1, no. 6, pp. 22-26, 2024
DOI: 10.56530/lcgc.int.oz9889n8

C. Schaefer, M. Allers, M. Hitzemann, A. Nitschke, T. Kobelt, M. Moertel, S. Schroeder, A. Ficks and S. Zimmermann (2024): Reliable detection of chemical warfare agents using High Kinetic Energy Ion Mobility Spectrometry,  J. of The American Society for Mass Spectrometry, vol. 35, no. 8, pp. 2008-2019, 2024
DOI: 10.1021/jasms.4c00240

C. Schaefer, M. Lippmann, C. Schindler, M. Beukers, N. Beijer, M. Hitzemann, B. van de Kamp, R. Peters, J. Knotter and S. Zimmermann (2024): Pursuing drug laboratories: Analysis of drug precursors with High Kinetic Energy Ion Mobility Spectrometry,  Forensic Science International, vol. 363, 112196/1-10, 2024
DOI: 10.1016/j.forsciint.2024.112196

C. Thoben, J.J. Stadtler, P.R. Simon, C.-R. Raddatz, M. Sehlmeyer and S. Zimmermann (2024): Coated blade spray ion mobility spectrometer,  Analytical Chemistry, vol. 96, no. 8, pp. 3593–3599, 2024
DOI: 10.1021/acs.analchem.3c05586

C. Weise, M. Schirmer, M. Polack, A. Korell, H. Westphal, J. Schwieger, R. Warias, S. Zimmermann and D. Belder (2024): Modular chip-based nanoSFC − MS for ultrafast separations,  Analytical Chemistry, vol. 96, no. 34, pp. 13888-13896, 2024
DOI: 10.1021/acs.analchem.4c01958

K.J. Dehning, M. Hitzemann and S. Zimmermann (2024): Split-ring resonator with interdigital split electrodes as detector for liquid and ion chromatography,  Sensing and Bio-Sensing Research, vol. 44, 100645/1–7, 2024
DOI: 10.1016/j.sbsr.2024.100645

M. Hitzemann, A.T. Kirk, M. Lippmann, A. Nitschke, O. Burckhardt, J. Winkelholz and S. Zimmermann (2024): High-resolution drift tube ion mobility spectrometer with ultra-fast polarity switching,  Analytical Chemistry, vol. 96, no. 36, pp. 14630-14638, 2024
DOI: 10.1021/acs.analchem.4c03296

M. Lippmann, M. Hitzemann, J. Winkelholz, D. Bailey and S. Zimmermann (2024): A modular, isolated high-voltage switch for application in ion mobility spectrometry,  HardwareX, vol. 19, e00574/1-15, 2024
DOI: 10.1016/j.ohx.2024.e00574

M. Lippmann, M. Hitzemann, L. Hermeling, K.J. Dehning, J. Winkelholz, R. Wantosch and S. Zimmermann (2024): Continuous recording of resonator characteristics using single- sideband modulation,  Electronics, vol. 13, no. 12, 2247, 2024
DOI: 10.3390/electronics13122247

M. Sehlmeyer, M.B. Bhavsar, S. Zimmermann and H. Maier (2024): A simple electrical circuit model for impedance spectroscopy with cochlear implant electrodes,  Hearing Research, vol. 453, 109125/1-14, 2024
DOI: 10.1016/j.heares.2024.109125

T. Kobelt, M. Lippmann, A. Nitschke, L. Kielhorn and S. Zimmermann (2024): An open source isolated data acquisition with trigger pulse generation for ion mobility spectrometry,  HardwareX, vol. 20, e00600/1-18, 2024
DOI: 10.1016/j.ohx.2024.e00600

T. Kobelt, M. Lippmann, J. Wuttke, H. Wessel and S. Zimmermann (2024): Influence of ionization volume and sample gas flow rate on separation power in gas chromatography-ion mobility spectrometry,  J. of Chromatography A, vol. 1713, 464506, 2024
DOI: 10.1016/j.chroma.2023.464506

A. Bohnhorst, A. Zygmanowski, Y. Yin, A.T. Kirk and S. Zimmermann (2023): A highly efficient ion manipulator for tandem ion mobility spectrometry: Exploring a versatile technique by a study of primary alcohols,  Analytical Chemistry, vol. 95, no. 18, pp. 7158-7169, 2023
DOI: 10.1021/acs.analchem.2c05483

A. Haack, C. Schaefer, S. Zimmermann and W.S. Hopkins (2023): Validation of field-dependent ion-solvent cluster modeling via direct measurement of cluster size distributions,  J. of The American Society for Mass Spectrometry, vol. 34, no. 6, pp. 1035-1046, 2023
DOI: 10.1021/jasms.3c00012

A.S. Mohapatra, S. Zimmermann and K. Biswas (2023): Designing fractional oscillator for sensing different types of lossy capacitors,  IEEE Transactions on Instrumentation and Measurement, vol. 72, pp. 1-9, 2002809, 2023
DOI: 10.1109/TIM.2023.3264030

C. Schaefer, M. Lippmann, M. Beukers, N. Beijer, B. van de Kamp, J. Knotter and S. Zimmermann (2023): Detection of triacetone triperoxide by High Kinetic Energy Ion Mobility Spectrometry,  Analytical Chemistry, vol. 95, no. 46, pp. 17099−17107, 2023
DOI: 10.1021/acs.analchem.3c04101

C. Thoben, C.-R. Raddatz, A. Tataroglu, T. Kobelt and S. Zimmermann (2023): How to improve the resolving power of compact electrospray ionization ion mobility spectrometers,  Analytical Chemistry, vol. 95, no. 21, pp. 8277-8283, 2023
DOI: 10.1021/acs.analchem.3c00471

C. Thoben, F. Schlottmann, T. Kobelt, A. Nitschke, G.-L. Gloeden, C.N. Naylor, A.T. Kirk and S. Zimmermann (2023): Ultra-fast ion mobility spectrometer for high throughput chromatography,  Analytical Chemistry, vol. 95, no. 46, pp. 17073−17081, 2023
DOI: 10.1021/acs.analchem.3c03935

C. Thoben, N. Hartner, M. Hitzemann, C.-R. Raddatz, M. Eckermann, D. Belder and S. Zimmermann (2023): Regarding the influence of additives and additional plasma induced chemical ionization on adduct formation in ESI-IMS-MS,  J. of The American Society for Mass Spectrometry, vol. 34, no. 5, pp. 857-868, 2023
DOI: 10.1021/jasms.2c00348

C.N. Naylor, B.H. Clowers, F. Schlottmann, N. Solle and S. Zimmermann (2023): Implementation of an open-source multiplexing ion gate control for High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  J. of The American Society for Mass Spectrometry, vol. 34, no. 7, pp. 1283-1294, 2023
DOI: 10.1021/jasms.3c00013

C.N. Naylor, C. Schaefer and S. Zimmermann (2023): The dependence of reduced mobility, ion-neutral collisional cross sections, and alpha values on reduced electric field strengths in ion mobility,  Analyst, vol. 148, no. 15, pp. 3610-3621, 2023
DOI: 10.1039/D3AN00493G

C.N. Naylor, C. Schaefer, A.T. Kirk and S. Zimmermann (2023): The origin of isomerization of aniline revealed by High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  Physical Chemistry Chemical Physics, vol. 25, no. 2, pp. 1139-1152, 2023
DOI: 10.1039/D2CP01994A

F. Schlottmann, C. Schaefer, A.T. Kirk, A. Bohnhorst and S. Zimmermann (2023): A High Kinetic Energy Ion Mobility Spectrometer for operation at higher pressures of up to 60 mbar,  J. of The American Society for Mass Spectrometry, vol. 34, no. 5, pp. 893-904, 2023
DOI: 10.1021/jasms.2c00365

F. Weiss, C. Schaefer, S. Zimmermann, T.D. Maerk and C.A. Mayhew (2023): Revealing the ion chemistry occurring in High Kinetic Energy-Ion Mobility Spectrometry: a proof of principle study,  Analytica, vol. 4, no. 2, 113-125, 2023
DOI: 10.3390/analytica4020010

K.J. Dehning, M. Hitzemann, A. Gossmann and S. Zimmermann (2023): Split-ring resonator based sensor for the detection of amino acids in liquids,  Sensors, vol. 23, no. 2, 645, 2023
DOI: 10.3390/s23020645

M. Allers, A. Ahrens, M. Hitzemann, H. Bock, T. Wolf, J. Radunz, F. Meyer, F. Wilsenack, S. Zimmermann and A. Ficks (2023): Real-time remote detection of airborne chemical hazards – an unmanned aerial vehicle (UAV) carrying an ion mobility spectrometer,  IEEE Sensors Journal, vol. 23, no. 15, pp. 16562-16570, 2023
DOI: 10.1109/JSEN.2023.3287448

M. Hitzemann, C. Schaefer, A.T. Kirk, A. Nitschke, M. Lippmann and S. Zimmermann (2023): Easy to assemble dielectric barrier discharge plasma ionization source based on printed circuit boards,  Analytica Chimica Acta, vol. 1239, 340649, 2023
DOI: 10.1016/j.aca.2022.340649

M. Sehlmeyer, M.B. Bhavsar, J. Biebighaeuser, M. Hitzemann, H. Maier, M. Lippmann, C. Schaefer and S. Zimmermann (2023): Impedance spectroscopy of enlarged cochlear implant stimulation electrodes – FEM simulations considering the perilymph,  tm – Technisches Messen, vol. 90, no. 12, pp. 809-821, 2023
DOI: 10.1515/teme-2023-0091

M. Zühlke, J. Koenig, C. Pruefert, S. Sass, T. Beitz, H.-G. Loehmannsroeben, C. Thoben, S. Zimmermann, R.D. Urban and B. Abel (2023): Complex reaction kinetics of a Mannich reaction in droplets under electrospray conditions,  Physical Chemistry Chemical Physics, vol. 25, no. 16, pp. 11732-11744, 2023
DOI: 10.1039/D2CP05392F

M.J. Kueddelsmann, J.J. Stadtler, A.T. Kirk, E. Bunert and S. Zimmermann (2023): Non-radioactive electron capture detector based on soft X-ray ionization for gas chromatography - A possible replacement for radioactive detectors,  J. of Chromatography A, vol. 1711, 464453, 2023
DOI: 10.1016/j.chroma.2023.464453

S. Zumsande, C. Thoben, N. Dennhardt, T. Krauss, R. Suempelmann, S. Zimmermann, H. Rueffert and S. Heiderich (2023): Rebounds of sevoflurane concentration during simulated trigger-free pediatric and adult anesthesia,  BMC Anesthesiology, vol. 23, article no. 196, pp. 1-10, 2023
DOI: 10.1186/s12871-023-02148-3

A. Ahrens, M. Allers, H. Bock, M. Hitzemann, A. Ficks and S. Zimmermann (2022): Detection of chemical warfare agents with a miniaturized high-performance drift tube ion mobility spectrometer using high-energetic photons for ionization,  Analytical Chemistry, vol. 94, no. 44, pp. 15440-15447, 2022
DOI: 10.1021/acs.analchem.2c03422

A.T. Kirk, M.J. Kueddelsmann and S. Zimmermann (2022): Ultrasensitive ion source for drift tube ion mobility spectrometers combining optimized sample gas flow with both chemical ionization and direct ionization,  Analytical Chemistry, vol. 94, no. 28, pp. 9960-9969, 2022
DOI: 10.1021/acs.analchem.2c00955

C. Schaefer, F. Schlottmann, A.T. Kirk and S. Zimmermann (2022): Influence of sample gas humidity on product ion formation in High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  J. of The American Society for Mass Spectrometry, vol. 33, no. 6, pp. 1048-1060, 2022
DOI: 10.1021/jasms.2c00099

C. Thoben, T. Werres, I. Henning, P.R. Simon, S. Zimmermann, T.C. Schmidt and T. Teutenberg (2022): Towards a miniaturized on-site nano-high performance liquid chromatography electrospray ionization ion mobility spectrometer with online enrichment,  Green Analytical Chemistry, vol. 1, 100011:1-8, 2022
DOI: 10.1016/j.greeac.2022.100011

F. Weiss, C. Schaefer, V. Ruzsanyi, T. Maerk, G. Eiceman, C.A. Mayhew, and S. Zimmermann (2022): High Kinetic Energy Ion Mobility Spectrometry – Mass Spectrometry investigations of four inhalation anaesthetics: isoflurane, enflurane, sevoflurane and desflurane,  International Journal of Mass Spectrometry, vol. 475, 116831, 2022
DOI: 10.1016/j.ijms.2022.116831

F. Weiss, G. Eiceman, T.D. Maerk, C.A. Mayhew, V. Ruzsanyi, C. Schaefer and S. Zimmermann (2022): High kinetic energy ion mobility spectrometry-mass spectrometry investigations of several volatiles and their fully deuterated analogues,  The European Physical Journal D, vol. 76, no. 10, 181, 2022
DOI: 10.1140/epjd/s10053-022-00501-8

J. Winkelholz, M. Hitzemann, A. Nitschke, A. Zygmanowski and S. Zimmermann (2022): Resistive high-voltage probe with frequency compensation by planar compensation electrode integrated in printed circuit board design,  Electronics, vol. 11, no. 21, 3446, 2022
DOI: 10.3390/electronics11213446

M. Allers, C. Schaefer, A. Ahrens, F. Schlottmann, M. Hitzemann, T. Kobelt, S. Zimmermann and R. Hetzer (2022): Detection of volatile toxic industrial chemicals with classical ion mobility spectrometry and high kinetic energy ion mobility spectrometry,  Analytical Chemistry, vol. 94, no. 2, pp. 1211-1220, 2022
DOI: 10.1021/acs.analchem.1c04397

M. Hitzemann, A.T. Kirk, M. Lippmann, A. Bohnhorst and S. Zimmermann (2022): Miniaturized drift tube ion mobility spectrometer with ultra-fast polarity switching,  Analytical Chemistry, vol. 94, no. 2, pp. 777-786, 2022
DOI: 10.1021/acs.analchem.1c03268

M. Hitzemann, K.J. Dehning, A.V. Gehl, E.-F. Sterr and S. Zimmermann (2022): Fast readout of split-ring resonators made simple and low-cost for application in HPLC,  Electronics, vol. 11, no. 7, 1139, 2022
DOI: 10.3390/electronics11071139

M. Hitzemann, M. Lippmann, J. Trachte, A. Nitschke, O. Burckhardt and S. Zimmermann (2022): Wireless low-power transfer for galvanically isolated high-voltage applications,  Electronics, vol. 11, no. 6, 923, 2022
DOI: 10.3390/electronics11060923

R. Nakagawa, K. Saito, H. Kanematsu, H. Miura, M. Ishihara, D.M. Barry, T. Kogo, A. Ogawa, N. Hirai, T. Hagio, R. Ichino, M. Ban, M. Yoshitake and S. Zimmermann (2022): Impedance characteristics of monolayer and bilayer graphene films with biofilm formation and growth,  Sensors, vol. 22, no. 9, 3548, 2022
DOI: 10.3390/s22093548

A. Ahrens and S. Zimmermann (2021): Towards a hand-held, fast and sensitive gas chromatograph-ion mobility spectrometer for detecting volatile compounds,  Analytical and Bioanalytical Chemistry, vol. 413, no. 4, pp. 1009-1016, 2021
DOI: 10.1007/s00216-020-03059-9

A. Bohnhorst, A.T. Kirk and S. Zimmermann (2021): Toward Compact High-Performance Ion Mobility Spectrometers: Ion Gating in Ion Mobility Spectrometry,  Analytical Chemistry, vol. 93, no. 15, pp. 6062-6070, 2021
DOI: 10.1021/acs.analchem.0c04140

A.T. Kirk, A. Bohnhorst and S. Zimmermann (2021): Analytical model for the signal-to-noise-ratio of drift tube ion mobility spectrometers,  tm – Technisches Messen, vol. 88, no. 5, pp. 262-273, 2021
DOI: 10.1515/teme-2021-0013

C. Schaefer, M. Allers, A.T. Kirk, F. Schlottmann and S. Zimmermann (2021): Influence of reduced field strength on product ion formation in High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  J. of The American Society for Mass Spectrometry, vol. 32, no. 7, pp. 1810–1820, 2021
DOI: 10.1021/jasms.1c00156

C. Thoben, C.-R. Raddatz, M. Lippmann, Z. Salehi Moghaddam and S. Zimmermann (2021): Electrospray ionization ion mobility spectrometer with new tristate ion gating for improved sensitivity for compounds with lower ion mobility,  Talanta, vol. 233, pp. 122579/1-9, 2021
DOI: 10.1016/j.talanta.2021.122579

D. Erdogdu, W. Wissdorf, M. Allers, A.T. Kirk, H. Kersten, S. Zimmermann and T. Benter (2021): Simulation of cluster dynamics of proton-bound water clusters in a high kinetic energy ion-mobility spectrometer,  Analytical Chemistry, vol. 32, no. 9, pp. 2436-2450, 2021
DOI: 10.1021/jasms.1c00140

J. Twiefel, A. Glukhovkoy, S. de Wall, M.C. Wurz, M. Sehlmeyer, M. Hitzemann and S. Zimmermann (2021): Towards a highly sensitive piezoelectric nano-mass detection – a model-based concept study,  Sensors, vol. 21, no. 7, 2533, 2021
DOI: 10.3390/s21072533

M. Allers, A.T. Kirk, C. Schaefer, F. Schlottmann and S. Zimmermann (2021): Formation of positive product ions from low proton affine substances in High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  Rapid Communications in Mass Spectrometry, vol. 35, no. 4, e8998:1-13
DOI: 10.1002/rcm.8998

M. Berger, A. Zygmanowski and S. Zimmermann (2021): How geometry affects sensitivity of a differential transformer for contactless characterization of liquids,  Sensors, vol. 21, no. 7, 2365, 2021
DOI: 10.3390/s21072365

M. Berger, A. Zygmanowski and S. Zimmermann (2021): Differential inductive sensing system for truly contactless measuring of liquids’ electromagnetic properties in tubing,  Sensors, vol. 21, no. 16, 5535, 2021
DOI: 10.3390/s21165535

M. Zarejousheghani, A. Jaafar, H. Wollmerstaedt, P. Rahimi, H. Borsdorf, S. Zimmermann and Y. Joseph (2021): Rational design of molecularly imprinted polymers using quaternary ammonium cations for glyphosate detection,  Sensors, vol. 21, no. 1, 296, 2021
DOI: 10.3390/s21010296

M. Zarejousheghani, P. Rahimi, H. Borsdorf, S. Zimmermann and Y. Joseph (2021): Molecularly imprinted polymer-based sensors for priority pollutants,  Sensors, vol. 21, no. 7, 2406, 2021
DOI: 10.3390/s21072406

N.T. Hartner, K. Wink, C.-R. Raddatz, C. Thoben, M. Schirmer, S. Zimmermann and D. Belder (2021): Coupling droplet microfluidics with ion mobility spectrometry for monitoring chemical conversions at nanoliter scale,  Analytical Chemistry, vol. 93, no. 40, pp. 13615-13623, 2021
DOI: https://doi.org/10.1021/acs.analchem.1c02883

S. Heiderich, C. Thoben, N. Dennhardt, T. Krauss, R. Suempelmann, S. Zimmermann, M. Reitz and H. Rueffert (2021): Preparation of Dräger Atlan A350 and General Electric Healthcare Carestation 650 anesthesia workstations for malignant hyperthermia susceptible patients,  BMC Anesthesiology, vol. 21, article no. 315, pp. 1-9, 2021
DOI: https://doi.org/10.1186/s12871-021-01533-0

V. Speckbacher, S. Zeilinger, S. Zimmermann, C.A. Mayhew, H. Wiesenhofer and V. Ruzsanyi (2021): Monitoring the volatile language of fungi using gas chromatography-ion mobility spectrometry,  Analytical and Bioanalytical Chemistry, vol. 413, no. 11, pp. 3055-3067, 2021
DOI: 10.1007/s00216-021-03242-6

A. Ahrens, J. Moehle, M. Hitzemann and S. Zimmermann (2020): Novel ion drift tube for high-performance ion mobility spectrometers based on a composite material,  Int. J. for Ion Mobility Spectrometry, vol. 23, no. 2, pp. 75-81, 2020
DOI: 10.1007/s12127-020-00265-0

A. Bohnhorst, M. Hitzemann, M. Lippmann, A.T. Kirk and S. Zimmermann (2020): Enhanced resolving power by moving field ion mobility spectrometry,  Analytical Chemistry, vol. 92, no. 19, pp. 12967-12974, 2020
DOI: 10.1021/acs.analchem.0c01653

A.T. Kirk, M.J. Kueddelsmann, A. Bohnhorst, M. Lippmann and S. Zimmermann (2020): Improving ion mobility spectrometer sensitivity through the extended field switching ion shutter,  Analytical Chemistry, vol. 92, no. 7, pp. 4838-4847, 2020
DOI: 10.1021/acs.analchem.9b04259

C. Schaefer, A.T. Kirk, M. Allers and S. Zimmermann (2020): Ion mobility shift of isotopologues in a High Kinetic Energy Ion Mobility Spectrometer (HiKE-IMS) at elevated effective temperatures,  J. of The American Society for Mass Spectrometry, vol. 31, no. 10, pp. 2093-2101, 2020
DOI: 10.1021/jasms.0c00220

F. Schlottmann, A.T. Kirk, M. Allers, A. Bohnhorst and S. Zimmermann (2020): High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS) at 40 mbar,  J. of The American Society for Mass Spectrometry, vol. 31, no. 7, pp. 1536-1543, 2020
DOI: 10.1021/jasms.0c00098

M. Allers, A.T. Kirk, B. Timke, D. Erdogdu, W. Wissdorf, T. Benter and S. Zimmermann (2020): Negative reactant ion formation in High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  J. of The American Society for Mass Spectrometry, vol. 31, no. 9, pp. 1861-1874, 2020
DOI: 10.1021/jasms.0c00126

M. Allers, A.T. Kirk, C. Schaefer, D. Erdogdu, W. Wissdorf, T. Benter and S. Zimmermann (2020): Field-dependent reduced ion mobilities of positive and negative ions in air and nitrogen in High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  J. of The American Society for Mass Spectrometry, vol. 31, no. 10, pp. 2191-2201, 2020
DOI: 10.1021/jasms.0c00280

M. Allers, A.T. Kirk, M. Eckermann, C. Schaefer, D. Erdogdu, W. Wissdorf, T. Benter and S. Zimmermann (2020): Positive reactant ion formation in High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  J. of The American Society for Mass Spectrometry, vol. 31, no. 6, pp. 1291-1301, 2020
DOI: 10.1021/jasms.0c00114

M. Allers, A.T. Kirk, N. Rossbitzky, D. Erdogdu, R. Hillen, W. Wissdorf, T. Benter and S. Zimmermann (2020): Analyzing positive reactant ions in High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS) by HiKE-IMS-MS,  J. of The American Society for Mass Spectrometry, vol. 31, no. 3, pp. 812-821, 2020
DOI: 10.1021/jasms.9b00087

M. Berger, A. Zygmanowski, F. Sellering, H. Roehrich, T. Perl, H. Mansour and S. Zimmermann (2020): Contactless and continuous sodium concentration monitoring during continuous renal replacement therapy,  Sensors and Actuators B, vol. 320, 128372, 2020
DOI: 10.1016/j.snb.2020.128372

M. Berger, M. Sehlmeyer, F. Sellering, H. Roehrich, T. Perl, H. Mansour, D. Baasner and S. Zimmermann (2020): In-line monitoring of electrolytes and urea during continuous renal replacement therapy,  Journal of Sensors and Sensor Systems, vol. 9, no. 2, pp. 251-261, 2020
DOI: 10.5194/jsss-9-251-2020

M. Lippmann, A.T. Kirk, M. Hitzemann and S. Zimmermann (2020): Compact and sensitive dual drift tube ion mobility spectrometer with a new dual field switching ion shutter for simultaneous detection of both ion polarities,  Analytical Chemistry, vol. 92, no. 17, pp. 11834-11841, 2020
DOI: 10.1021/acs.analchem.0c02166

M. Lippmann, A.T. Kirk, M. Hitzemann and S. Zimmermann (2020): IMS Instrumentation I: Isolated data acquisition for ion mobility spectrometers with grounded ion sources,  Int. J. for Ion Mobility Spectrometry, vol. 23, no. 2, pp. 69-74, 2020
DOI: 10.1007/s12127-020-00260-5

N.T. Hartner, C.-R. Raddatz, C. Thoben, S.K. Piendl, S. Zimmermann and D. Belder (2020): On-line coupling of chip-electrochromatography and ion mobility spectrometry,  Analytical Chemistry, vol. 92, no. 22, pp. 15129-15136, 2020
DOI: 10.1021/acs.analchem.0c03446

S. Fisahn, C. Siebauer, J. Ringkamp, K.J. Dehning, S. Zimmermann and J. Langejuergen (2020): Respiration parameter determination with non-obstructive methods,  Adv. Radio Sci., vol. 18, pp. 89-95, 2020
DOI: 10.5194/ars-18-89-2020

A. Ahrens, M. Hitzemann and S. Zimmermann (2019): Miniaturized high-performance drift tube ion mobility spectrometer,  Int. J. for Ion Mobility Spectrometry, vol. 22, no. 2, pp. 77-83, 2019
DOI: 10.1007/s12127-019-00248-w

A. Bohnhorst, A.T. Kirk, Y. Yin and S. Zimmermann (2019): Ion fragmentation and filtering by alpha function in ion mobility spectrometry for improved compound differentiation,  Analytical Chemistry, vol. 91, no. 14, pp. 8941-8947, 2019
DOI: 10.1021/acs.analchem.9b00810

A.T. Kirk, A. Bohnhorst, C.-R. Raddatz, M. Allers and S. Zimmermann (2019): Ultra-high resolution ion mobility spectrometry – current instrumentation, limitations and future developments,  Analytical and Bioanalytical Chemistry, vol. 411, no. 24, pp. 6229-6246, 2019
DOI: 10.1007/s00216-019-01807-0

C. Drees, W. Vautz, S. Liedtke, C. Rosin, K. Althoff, M. Lippmann, S. Zimmermann, T.J. Legler, D. Yildiz, T. Perl and N. Kunze-Szikszay (2019): GC-IMS headspace analyses allow early recognition of bacterial growth and rapid pathogen differentiation in standard blood cultures,  Applied Microbiology and Biotechnology, vol. 103, no. 21-22, pp. 9091-9101, 2019
DOI: 10.1007/s00253-019-10181-x

C. Thoben, N. Dennhardt, T. Krauss, R. Suempelmann, S. Zimmermann, H. Rueffert and S. Heiderich (2019): Preparation of anaesthesia workstation for trigger-free anaesthesia: An observational laboratory study,  European Journal of Anesthesiology, vol. 36, no. 11, pp. 851-856, 2019
DOI: 10.1097/EJA.0000000000001086

E. Bunert, A.T. Kirk, O. Kaebein and S. Zimmermann (2019): Comparison of spatial ion distributions from different ionization sources,  Int. J. for Ion Mobility Spectrometry, vol. 22, no. 1, pp. 21-29, 2019
DOI: 10.1007/s12127-018-0241-3

E. Bunert, B. Bernhold, J.N. Woidtke, M. Sehlmeyer and S. Zimmermann (2019): Non-radioactive electron capture detector for gas chromatography - A possible replacement for radioactive detectors,  J. of Chromatography A, vol. 1606, 460384, 2019
DOI: 10.1016/j.chroma.2019.460384

E. Bunert, M. Berger, A.T. Kirk and S. Zimmermann (2019): Non-radioactive Electron Source with Nanosecond Pulse Modulation for Atmospheric Pressure Chemical Ionization,  Review of Scientific Instruments, vol. 90, pp. 90, 113306/1-9, 2019
DOI: 10.1063/1.5126507

F. Schlottmann, M. Allers, A.T. Kirk, A. Bohnhorst and S. Zimmermann (2019): A simple printed circuit board based ion funnel for focusing low m/z ratio ions with high kinetic energies at elevated pressure,  J. of The American Society for Mass Spectrometry, vol. 30, no. 9, pp. 1813-1823, 2019
DOI: 10.1007/s13361-019-02241-3

H. Kanematsu, T. Katsuragawa, D.M. Barry, K. Yokoi, S. Umeki, H. Miura, K. Suzuki, A. Ogawa, N. Hirai, T. Kougo, D. Kuroda and S. Zimmermann (2019): Biofilm formation behaviors formed by E.coli under weak alternating electromagnetic fields,  Ceramic Transactions, Advances in Ceramics for Environmental, Functional, Structural, and Energy Applications II, Materials Science and Technology - MS&T '18, vol. 266, pp. 195-210, 2019
DOI: 10.1002/9781119631460.ch18

M. Allers, F. Schlottmann, M. Eckermann and S. Zimmermann (2019): Printed circuit board based segmented quadrupole ion guide,  International Journal of Mass Spectrometry, vol. 443, pp. 32-40, 2019
DOI: 10.1016/j.ijms.2019.05.018

S.K. Piendl, C.-R. Raddatz, N.T. Hartner, C. Thoben, R. Warias, S. Zimmermann and D. Belder (2019): 2D in seconds: coupling of chip-HPLC with ion mobility spectrometry,  Analytical Chemistry, vol. 91, no. 12, pp. 7613-7620, 2019
DOI: 10.1021/acs.analchem.9b00302

A. Bohnhorst, A.T. Kirk, M. Berger and S. Zimmermann (2018): Fast orthogonal separation by superposition of Time of Flight and Field Asymmetric Ion Mobility Spectrometry,  Analytical Chemistry, vol. 90, no. 2, pp. 1114-1121, 2018
DOI: 10.1021/acs.analchem.7b03200

A.T. Kirk, D. Grube, T. Kobelt, C. Wendt and S. Zimmermann (2018): A high resolution high kinetic energy ion mobility spectrometer based on a low-discrimination tri-state ion shutter,  Analytical Chemistry, vol. 90, no. 9, pp. 5603-5611, 2018
DOI: 10.1021/acs.analchem.7b04586

A.T. Kirk, T. Kobelt, H. Spehlbrink and S. Zimmermann (2018): A simple analytical model for predicting the detectable ion current in ion mobility spectrometry using corona discharge ionization sources,  J. of The American Society for Mass Spectrometry, vol. 29, no. 7, pp. 1425-1430, 2018
DOI: 10.1007/s13361-018-1970-6

C.-R. Raddatz, M. Allers, A.T. Kirk and S. Zimmermann (2018): Acetone and Perdeuterated Acetone in UV-IMS,  Int. J. for Ion Mobility Spectrometry, vol. 21, no. 3, pp. 49-53, 2018
DOI: 10.1007/s12127-018-0234-2

E. Bunert, T. Reinecke, A.T. Kirk, A. Bohnhorst and S. Zimmermann (2018): Ion mobility spectrometer with orthogonal X-ray source for increased sensitivity,  Talanta, vol. 185, pp. 537-541, 2018
DOI: 10.1016/j.talanta.2018.04.035

M. Allers, A.T. Kirk and S. Zimmermann (2018): A simple centripetal force model for explaining the focusing effect of ion funnels,  International Journal of Mass Spectrometry, vol. 432, pp. 14-17, 2018
DOI: 10.1016/j.ijms.2018.07.002

M. Allers, L. Timoumi, A.T. Kirk, F. Schlottmann and S. Zimmermann (2018): Coupling of a high-resolution ambient pressure drift tube ion mobility spectrometer to a commercial time-of-flight mass spectrometer,  J. of The American Society for Mass Spectrometry, vol. 29, no. 11, pp. 2208-2217, 2018
DOI: 10.1007/s13361-018-2045-4

M. Berger, M. Faulstich, T. Perl and S. Zimmermann (2018): Continuous in-line monitoring of electrolyte concentrations in extracorporeal circuits for individualization of dialysis treatment,  Journal of Sensors and Sensor Systems, vol. 7, no. 2, pp. 559–567, 2018
DOI: 10.5194/jsss-7-559-2018

M. Schulz, A. Gehl, J. Schlenkrich, H.A. Schulze, S. Zimmermann and A. Schaate (2018): A calixarene-based MOF for highly selective NO₂ detection,  Angewandte Chemie Int. Ed., vol. 57, pp. 12961-12965, 2018
DOI: 10.1002/anie.201805355

P. Mochalski, H. Wiesenhofer, M. Allers, S. Zimmermann, A.T. Güntner, N.J. Pineau, W. Lederer, A. Agapiou, C.A. Mayhew and V. Ruzsanyi (2018): Monitoring of selected skin- and breath-borne volatile organic compounds emitted from the human body using gas chromatography ion mobility spectrometry (GC-IMS),  J. of Chromatography B, vol. 1076, pp. 29-34, 2018
DOI: 10.1016/j.jchromb.2018.01.013

S. Heiderich, C. Thoben, N. Dennhardt, W. Koppert, T. Krauss, R. Suempelmann, S. Zimmermann and W. Klingler (2018): Low anaesthetic waste gas concentrations in postanaesthesia care unit: A prospective observational study,  European Journal of Anaesthesiology, vol. 35, no. 7, pp. 534-538, 2018
DOI: 10.1097/EJA.0000000000000785

T. Reinecke, J.-G. Walter, T. Kobelt, A. Ahrens, T. Scheper and S. Zimmermann (2018): Design and evaluation of split-ring resonators for aptamer-based biosensors,  Journal of Sensors and Sensor Systems, vol. 7, no. 1, pp. 101-111, 2018
DOI: 10.5194/jsss-7-101-2018

A. Heptner, T. Reinecke, N. Angerstein and S. Zimmermann (2017): A novel ion selective gas sensor based on pulsed atmospheric pressure chemical ionization and ion-ion-recombination,  Sensors and Actuators B, vol. 246, pp. 252-257, 2017
DOI: 10.1016/j.snb.2017.02.086

A.T. Kirk and S. Zimmermann (2017): HiKE-IMS: High Kinetic Energy Ion Mobility Spectrometry for quantitative and selective trace gas detection,  Journal of the European Society for Automatic Alarm Systems - EUSAS, no. 11, pp. 40-47, 2017

A.T. Kirk, C.-R. Raddatz and S. Zimmermann (2017): Separation of isotopologues in ultra-high resolution ion mobility spectrometry,  Analytical Chemistry, vol. 89, no. 3, pp. 1509-1515, 2017
DOI: 10.1021/acs.analchem.6b03300

A.T. Kirk, K. Bakes and S. Zimmermann (2017): A universal relationship between optimum drift voltage and resolving power,  Int. J. for Ion Mobility Spectrometry, vol. 20, no. 3-4, pp. 105-109, 2017
DOI: 10.1007/s12127-017-0219-6

A.T. Kirk, T. Last and S. Zimmermann (2017): A sensitive gas chromatography detector based on atmospheric pressure chemical ionization by a dielectric barrier discharge,  J. of Chromatography A, vol. 1483, pp. 120-126, 2017
DOI: 10.1016/j.chroma.2016.12.071

E. Bunert, A. Heptner, T. Reinecke, A.T. Kirk and S. Zimmermann (2017): Shutterless ion mobility spectrometer with fast pulsed electron source,  Review of Scientific Instruments, vol. 88, pp. 024102/1-7, 2017
DOI: 10.1063/1.4976021

E. Bunert, A.T. Kirk, J. Oermann and S. Zimmermann (2017): Electron capture detector based on a non-radioactive electron source: operating parameters vs. analytical performance,  Journal of Sensors and Sensor Systems, vol. 6, no. 2, pp. 381–387, 2017
DOI: 10.5194/jsss-6-381-2017

S. Engelskirchen, J. Ehlers, A.T. Kirk, A. Tipold and M. Dilly (2017): Skills-Lab-Training in der Tiermedizin - Effektive Vorbereitung auf die klinische Tätigkeit am Beispiel der Kleintierklinik der Stiftung Tierärztliche Hochschule Hannover,  Tierärztliche Praxis Kleintiere, vol. 6, pp. 397-405, 2017

S. Zimmermann (Gastherausgeber) (2017): Themenheft: XXX. Messtechnisches Symposium des AHMT in Hannover (Teil 1),  tm – Technisches Messen, vol. 84, no. 3, 2017
DOI: 10.1515/teme-2017-0005

S. Zimmermann (Gastherausgeber) (2017): Themenheft: XXX. Messtechnisches Symposium des AHMT in Hannover (Teil 2),  tm – Technisches Messen, vol. 84, no. 9, 2017
DOI: 10.1515/teme-2017-0068

T. Reinecke, P. Biechele, M. Sobocinski, H. Suhr, K. Bakes, D. Solle, H. Jantunen, T. Scheper and S. Zimmermann (2017): Continuous noninvasive monitoring of cell growth in disposable bioreactors,  Sensors and Actuators B, vol. 251, pp. 1009-1017, 2017
DOI: 10.1016/j.snb.2017.05.111

A. Bohnhorst, A.T. Kirk and S. Zimmermann (2016): Simulation aided design of a low cost ion mobility spectrometer based on printed circuit boards,  Int. J. for Ion Mobility Spectrometry, vol. 19, no. 2-3, pp. 167-174, 2016

A. Gaida, O. Holz, C. Nell, S. Schuchardt, B. Lavae-Mokhtari, L. Kruse, U. Boas, J. Langejuergen, M. Allers, S. Zimmermann, C. Vogelmeier, A.R. Koczulla and J.M. Hohlfeld (2016): A dual center study to compare breath volatile organic compounds from smokers and non-smokers with and without COPD,  J. Breath Research, vol. 10, no. 2, pp. 026006/1-18, 2016

A. Heptner, N. Angerstein, T. Reinecke, E. Bunert, A.T. Kirk, I. Niedzwiecki and S. Zimmermann (2016): Improving the analytical performance of ion mobility spectrometer using a non-radioactive electron source,  Int. J. for Ion Mobility Spectrometry, vol. 19, no. 4, pp. 175-182, 2016

A. Kuklya, T. Reinecke, F. Uteschil, K. Kerpen, S. Zimmermann and U. Telgheder (2016): X-ray ionization differential ion mobility spectrometry,  Talanta, vol. 162, pp. 159-166, 2016

A.T. Kirk and S. Zimmermann (2016): Ion mobility spectrometry,  GIT Labor-Fachzeitschrift, vol. 9, pp. 18-23, 2016

A.T. Kirk and S. Zimmermann (2016): Ion mobility spectrometry,  Chemie in unserer Zeit, vol. 50, no. 5, pp. 310-315, 2016

M. Allers, J. Langejuergen, A. Gaida, O. Holz, S. Schuchardt, J.M. Hohlfeld and S. Zimmermann (2016): Measurement of exhaled volatile organic compounds from patients with chronic obstructive pulmonary disease (COPD) using closed gas loop GC-IMS and GC-APCI-MS,  J. Breath Research, vol. 10, no. 2, pp. 026004/1-10, 2016

O. Holz, K. Heusser, A. Gaida, M. Allers, S. Zimmermann, M. Mueller, S. Schuchardt, C. Schindler, J. Tank, J. Jordan and J.M. Hohlfeld (2016): Inflammatory response to the exposure with ultra-fine particles and ozone,  European Respiratory Journal, vol. 48, suppl. 60, PA1836, 2016
DOI: 10.1183/13993003.congress-2016.PA1836

T. Reinecke, A.T. Kirk, A. Ahrens, C.-R. Raddatz, C. Thoben and S. Zimmermann (2016): A compact high-resolution electrospray ionization ion mobility spectrometer,  Talanta, vol. 150, pp. 1-6, 2016
DOI: 10.1016/j.talanta.2015.12.006

T. Reinecke, A.T. Kirk, A. Heptner, D. Niebuhr, S. Böttger and S. Zimmermann (2016): A compact high-resolution X-ray ion mobility spectrometer,  Review of Scientific Instruments, vol. 87, pp. 053120/1-4, 2016

A. Heilkenbrinker, C. Reinemann, R. Stoltenburg, J.G. Walter, A. Jochums, F. Stahl, S. Zimmermann, B. Strehlitz and T. Scheper (2015): Identification of the target binding site of ethanolamine binding aptamers and its exploitation for ethanolamine detection,  Analytical Chemistry, vol. 87, no. 1, pp. 677-685, 2015
DOI: 10.1021/ac5034819

A.T. Kirk and S. Zimmermann (2015): An analytical model for the optimum drift voltage of drift tube ion mobility spectrometers with respect to resolution and detection limits,  Int. J. for Ion Mobility Spectrometry, vol. 18, no. 3, pp. 129-135, 2015

A.T. Kirk and S. Zimmermann (2015): Pushing a compact 15 cm long ultra-high resolution drift tube ion mobility spectrometer with R=250 to R=425 using peak deconvolution,  Int. J. for Ion Mobility Spectrometry, vol. 18, no. 1-2, pp. 17-22, 2015

D. Ziaian, P. Rostalski, A.E. Berggreen, S. Brandt, M. Grossherr, H. Gehring, A. Hengstenberg and S. Zimmermann (2015): Improving systems dynamics by means of advanced signal processing – mathematical, laboratorial and clinical evaluation of propofol monitoring in breathing gas,  Sensors and Transducers, vol. 193, no. 10, pp. 145-153, 2015

J. Langejuergen, C. Wagner, S. Beutel, T. Hopmeier, T. Scheper and S. Zimmermann (2015): Non-invasive monitoring of bacterial growth and auto-induced protein production in a bioreactor with a closed-loop GC-IMS,  Int. J. for Ion Mobility Spectrometry, vol. 18, no. 1-2, pp. 9-15, 2015

M. Allers, A. Bohnhorst, A. T. Kirk, B. Ungethuem, A. Walte and S. Zimmermann (2015): Transient simulation of moving ion clouds in time-of-flight ion mobility spectrometers operating with DC and AC fields,  Int. J. for Ion Mobility Spectrometry, vol. 18, no. 3, pp. 107-115, 2015

P. Cochems, A.T. Kirk, E. Bunert, M. Runge, P. Goncalves and S. Zimmermann (2015): Fast pulsed operation of a small non-radioactive electron source with continuous emission current control,  Review of Scientific Instruments, vol. 86, pp. 065102/1-7, 2015

T. Reinecke, L. Hagemeier, S. Ahrens, Y. Doroshenko, M. Klintschar and S. Zimmermann (2015): A novel coplanar probe design for fast scanning of edema in human brain tissue via dielectric measurements,  Sensors and Actuators B, vol. 220, pp. 522-527, 2015

A. Heptner, T. Reinecke, J. Langejuergen and S. Zimmermann (2014): A gated atmospheric pressure drift tube ion mobility spectrometer–time-of-flight mass spectrometer,  J. of Chromatography A, vol. 1356, pp. 241-248, 2014
DOI: 10.1016/j.chroma.2014.06.059

A.T. Kirk and S. Zimmermann (2014): Bradbury-Nielsen vs. Field switching shutters for high resolution drift tube ion mobility spectrometers,  Int. J. for Ion Mobility Spectrometry, vol. 17, no. 3-4, pp. 131-137, 2014
DOI: 10.1007/s12127-014-0153-9

J. Langejuergen, C. Wagner, S. Beutel, T. Hopmeier, T. Scheper and S. Zimmermann (2014): Non-invasive monitoring of bacterial growth and auto-induced protein production in a bioreactor with a closed-loop GC-IMS,  Int. J. for Ion Mobility Spectrometry, 2014
DOI: 10.1007/s12127-014-0163-7

J. Langejuergen, M. Allers, J. Oermann, A. Kirk and S. Zimmermann (2014): High kinetic energy ion mobility spectrometer: Quantitative analysis of gas mixtures with ion mobility spectrometry,  Analytical Chemistry, vol. 86, no. 14, pp. 7023-7032, 2014
DOI: 10.1021/ac5011662

J. Langejuergen, M. Allers, J. Oermann, A. Kirk and S. Zimmermann (2014): Quantitative detection of benzene in toluene- and xylene-rich atmosphere using high kinetic energy IMS,  Analytical Chemistry, vol. 86, no. 23, pp. 11841-11846, 2014
DOI: 10.1021/ac5034243

P. Cochems, A. Kirk and S. Zimmermann (2014): In-circuit-measurement of parasitic elements in high gain high bandwidth low noise transimpedance amplifiers,  Review of Scientific Instruments, vol. 85, pp. 124703/1-6, 2014

P. Cochems, M. Runge and S. Zimmermann (2014): A current controlled miniaturized non-radioactive electron emitter for atmospheric pressure chemical ionization based on thermionic emission,  Sensors and Actuators A, vol. 206, pp. 165-170, 2014

T. Reinecke, L. Hagemeier, H. Spehlbrink, S. Guenther, M. Klintschar, and S. Zimmermann (2014): Open-ended coaxial probe for the quantification of edema in human brain tissue,  Sensors and Actuators B, vol. 204, pp. 763-769, 2014

A. Kirk, M. Allers, P. Cochems, J. Langejuergen and S. Zimmermann (2013): A compact high resolution ion mobility spectrometer for fast trace gas analysis,  Analyst, vol. 138, no. 18, pp. 5200-5207, 2013
DOI: 10.1039/C3AN00231D

S. Zimmermann and F. Gunzer (2013): Simultaneous detection of benzene and toluene using a pulsed ion mobility spectrometer,  Sensors and Actuators B, vol. 188, pp. 106-110, 2013
DOI: 10.1016/j.snb.2013.06.079

A. Heptner, P. Cochems, J. Langejuergen, F. Gunzer and S. Zimmermann (2012): Investigation of ion-ion-recombination at atmospheric pressure with a pulsed electron gun,  Analyst, vol. 137, no. 21, pp. 5105-5112, 2012

J. Langejuergen, P. Cochems and S. Zimmermann (2012): Results of a transient simulation of a drift tube ion mobility spectrometer considering charge repulsion, ion loss at metallic surfaces and ion generation,  Int. J. for Ion Mobility Spectrometry, vol. 15, no. 4, pp. 247-255, 2012
DOI: 10.1007/s12127-012-0095-z

P. Cochems, F. Gunzer, J. Langejuergen, A. Heptner and S. Zimmermann (2012): Selective ion suppression as a pre-separation method in ion mobility spectrometry using a pulsed non-radioactive electron gun,  Int. J. for Ion Mobility Spectrometry, vol. 15, no. 1, pp. 31-39, 2012

P. Cochems, J. Langejuergen, A. Heptner and S.Zimmermann (2012): Towards a miniaturized non-radioactive electron emitter with proximity focusing,  Int. J. for Ion Mobility Spectrometry, vol. 15, no. 4, pp. 223-229, 2012
DOI: 10.1007/s12127-012-0108-y

W. Baether, S. Zimmermann and F. Gunzer (2012): Quantitative information in decay curves obtained with a pulsed ion mobility spectrometer,  Analyst, vol. 137, no. 11, pp. 2723-2727, 2012

W. Baether, S. Zimmermann and F. Gunzer (2012): Pulsed ion mobility spectrometer for the detection of Toluene 2,4-Diisocyanate (TDI) in ambient air,  IEEE Sensors Journal, vol. 12, no. 6, pp. 1748-1754, 2012

W. Baether, S. Zimmermann and F. Gunzer (2012): Signal decay curves obtained with a pulsed electron gun allow for improved analyte identification power of ion mobility spectrometers by distinction of monomer and dimer signals,  Sensors and Actuators B, vol. 171-172, pp. 1238-1243, 2012

W. Baether, S. Zimmermann and F. Gunzer (2012): Pulsed electron beams in ion mobility spectrometry: A Review,  Reviews in Analytical Chemistry, vol. 31, no. 3-4, pp. 139-152, 2012

F. Gunzer, W. Baether and S. Zimmermann (2011): Investigation of Dimethyl Methylphosphonate (DMMP) with an ion mobility spectrometer using a pulsed electron source,  Int. J. for Ion Mobility Spectrometry, vol. 14, no. 2/3, pp. 99-107, 2011

F. Gunzer, S. Zimmermann and W. Baether (2010): Application of a nonradioactive pulsed electron source for ion mobility spectrometry,  Analytical Chemistry, vol. 82, no. 9, pp. 3756-3763, 2010

W. Baether, S. Zimmermann and F. Gunzer (2010): Investigation of the influence of voltage parameters on decay times in an ion mobility spectrometer with a pulsed non-radioactive electron source,  Int. J. for Ion Mobility Spectrometry, vol. 13, no. 3/4, pp. 95-101, 2010

S. Barth and S. Zimmermann (2009): Tracking the ions: Development and modeling of a miniaturized ion mobility spectrometer for the detection of hazardous compounds in air,  Physik Journal, vol. 8, no. 8/9, suppl. Best of, pp. 31-33, 2009

S. Barth, W. Baether and S. Zimmermann (2009): System design and optimization of a miniaturized ion mobility spectrometer using finite element analysis,  IEEE Sensors Journal, vol. 9, no. 4, pp. 377-382, 2009

S. Zimmermann, S. Barth, W. Baether and J. Ringer (2008): A miniaturized low-cost ion mobility spectrometer for fast detection of chemical warfare agents,  Analytical Chemistry, vol. 80, no. 17, pp. 6671-6676, 2008

S. Zimmermann, N. Abel, W. Baether and S. Barth (2007): An ion-focusing aspiration condenser as an ion mobility spectrometer,  Sensors and Actuators B, vol. 125, no. 2, pp. 428-434, 2007

S. Zimmermann, D. Fienbork, A.W. Flounders and D. Liepmann (2004): In-device enzyme immobilization: Wafer-level fabrication of an integrated glucose sensor,  Sensors and Actuators B, vol. 99, no. 1, pp. 163-173, 2004

S. Zimmermann, P. Krippner, A. Vogel and J. Mueller (2002): Miniaturized flame ionization detector for gas chromatography,  Sensors and Actuators B, vol. 83, no. 1-3, pp. 285-289, 2002

S. Zimmermann and J. Mueller (2000): Micro flame spectrometer,  Microsystem Technologies, vol. 6, no. 6, pp. 241-245, 2000

S. Zimmermann, S. Wischhusen and J. Mueller (2000): Micro flame ionization detector and micro flame spectrometer,  Sensors and Actuators B, vol. 63, no. 3, pp. 159-166, 2000

A. Haack, P. Timmermann, C. Schaefer and S. Zimmermann (2025): Fragmentation mechanism of protonated primary alcohols in ion mobility – mass spectrometry (IM-MS),  Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie - DGMS '25, p. 74, Göttingen, Germany, March 2025

C. Schaefer, C. Hellwig, J. Wuttke and S. Zimmermann (2025): Reaction rate coefficients of ion-molecule reactions: investigating the effect of effective temperature,  Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie - DGMS '25, pp. 177-178, Göttingen, Germany, March 2025

D. Claassen, A. Bohnhorst and S. Zimmermann (2025): Multi-stage ion mobility spectrometer with collision-induced fragmentation for reducing false alarm rates in mobile applications,  Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy - Pittcon '25, Boston, USA, March 2025

E. Rohloff, T. Hennig, A. Schaate, S. Zimmermann and A.M. Schneider (2025): Modeling of selective and sensitive metal-organic-framework-split-ring-resonator-based chemical sensors,  36th German Zeolite Conference - DZT '25, Erlangen, Germany, February 2025

K. Welters, C. Thoben, A. Nitschke, T. Kobelt, J. Schwieger, S. Zimmermann and D. Belder (2025): Ultra-high throughput electrospray droplet microfluidics enabled by ultra-fast ion mobility spectrometry,  Conference of the Division of Analytical Chemistry of the German Chemical Society - ANAKON '25, Leipzig, Germany, March 2025

M.B. Bhavsar, M. Sehlmeyer, Y. Roger, A. Hoffmann, S. Zimmermann and H. Maier (2025): Electrical modelling of cochlear implant electrodes for detection of cell occupation and monitoring stimulation efficiency,  Association for Research in Otolaryngology - ARO '25, pp. 648-649, Orlando, USA, February 2025

M.J. Kueddelsmann, M. Kaschytza, D. Claassen, M. Lippmann, S. Deicke, E. Bunert and S. Zimmermann (2025): Application of a non-radioactive electron capture detector based on high energy photoionization for product control,  Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy - Pittcon '25, Boston, USA, March 2025

M.J. Kueddelsmann, M. Kaschytza, D. Claassen, M. Lippmann, S. Deicke, E. Bunert and S. Zimmermann (2025): Non-radioactive electron capture detector based on high energy photoionization for by-product monitoring,  Conference of the Division of Analytical Chemistry of the German Chemical Society - ANAKON '25, Leipzig, Germany, March 2025

S. Zimmermann (2025): New developments in ion mobility spectrometry,  Conference of the Division of Analytical Chemistry of the German Chemical Society - ANAKON '25, Leipzig, Germany, March 2025

T. Hennig, V. Drewes, E. Rohloff, A.M. Schneider, C. Thoben, M. Hitzemann, S. Zimmermann and A. Schaate (2025): Modifying Zr-based MOFs for the selective detection of nitro compounds in split-ring-resonator-based sensors,  36th German Zeolite Conference - DZT '25, Erlangen, Germany, February 2025

T. Kobelt, M. Reulbach, R. Mukherjee, S.P. Szafranski, E. Jakubowitz and S. Zimmermann (2025): Schnelle Identifizierung von Pathogenen und Biomarkern per Pyrolyse-Gaschromatographie-Ionenmobilitätsspektrometrie,  35. Doktorandenseminar Hohenroda, p. 35, Hohenroda, Germany, January 2025

A. Ahrens and S. Zimmermann (2024): Towards in-process quality monitoring of poly ethylene recyclates by pyrolysis gas chromatography ion mobility spectrometry,  ACHEMA, Frankfurt, Germany, June 2024

A. Haack, C. Schaefer and S. Zimmermann (2024): Simulations of arrival time distributions of reacting systems in IMS,  10th IMS Users’ Meeting, pp. 30-31, Innsbruck, Austria, March 2024

A. Haack, C. Schaefer and S. Zimmermann (2024): Simulations of arrival time distributions of reacting systems in ion mobility spectrometry,  Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie - DGMS '24, P108, Freising, Germany, March 2024

A. Haack, C. Schaefer and S. Zimmermann (2024): On the arrival time distribution of reacting systems in drift-tube ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '24, p. 47, Miami Beach, USA, July 2024

A. Haack, X. Zhao, A. Nitschke and S. Zimmermann (2024): Automatische Identifizierung und Quantifizierung von Substanzen in 1D- und 2D-Trennmethoden,  17. Sensor-Symposium Dresden, pp. 187-192, Dresden, Germany, November 2024
DOI: 10.5162/17dss2024/P32

A. Nitschke, M. Hitzemann, J. Winkelholz, A.T. Kirk, M. Lippmann, C. Thoben, A. Wittwer and S. Zimmermann (2024): 2D-Separation in Sekunden mittels hyperschnellem Gaschromatographen und Ionenmobilitätsspektrometer mit flussoptimierter Ionenquelle,  10th IMS Users’ Meeting, pp. 36-37, Innsbruck, Austria, March 2024

A. Nitschke, M. Hitzemann, J. Winkelholz, A.T. Kirk, M. Lippmann, C. Thoben, J.A. Wittwer and S. Zimmermann (2024): Hyper-fast gas chromatograph and ion mobility spectrometer with flow-optimized ion source and high repetition rate to resolve short chromatographic peaks,  International Symposium on Chromatography - ISC '24, #191, 2024

B. Ungethuem, A. Vollbehr, O. Hecht, F. Schlottmann, L. Hermeling, S. Zimmermann and A. Walte (2024): Exploring different chemical ionization modes in a low-pressure IMS (HIKE-IMS or HiP-MS),  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '24, p. 51, Miami Beach, USA, July 2024

C. Schaefer, M. Lippmann, C. Schindler, M. Hitzemann, M. Allers, A. Ficks, M. Beukers, N. Beijer, B. van de Kamp, J. Knotter and Stefan Zimmermann (2024): High Kinetic Energy Ion Mobility Spectrometry for security applications,  10th IMS Users’ Meeting, pp. 15-16, Innsbruck, Austria, March 2024

C. Thoben, J.J. Stadtler, C.T. Nitsch, P.R. Simon, C.-R. Raddatz, M. Sehlmeyer and S. Zimmermann (2024): Coated Blade Spray Ionenmobilitätsspektrometrie,  10th IMS Users’ Meeting, pp. 46-47, Innsbruck, Austria, March 2024

C. Thoben, K. Nickel, A. Nitschke, M. Hitzemann, C. Beck, N. Dennhardt, T. Krauss, S. Heiderich and S. Zimmermann (2024): Ionenmobilitätsspektrometrie mit Gaschromatographie zur Bewertung von Narkoseabgasabsorbern bei Anästhesiegeräten ohne zentrale Narkosegasabsaugung,  17. Sensor-Symposium Dresden, pp. 144-148, Dresden, Germany, November 2024
DOI: 10.5162/17dss2024/P23

F. Herdl, M. Kueddelsmann, A. Schels, S. Edler, M. Bachmann, M. Dillig, F. Dams, A. Pahlke, S. Zimmermann and G.S. Duesberg (2024): Ion mobility spectrometer equipped with a novel hot electron emitter as the ionization source,  Int. Symposium on Hyphenated Techniques in Chromatography and Separation Technology - HTC '24, Leuven, Belgium, May 2024

H. Hakulinen, O. Anttalainen, M. Karjalainen, D. Claassen, S. Zimmermann, S. Yli-Kauhaluoma, D. Ruíz, A. Remón, M. Kuula, P. Juuti, E. Lattouf, J. Mikkilä, H.J. Jost, A. Walte, O. Hecht, B. Ungethuem, G. Pallis, G. Psarras, L. Fotopoulou, M. Statheropoulos, F. Tsopelas, P. Vanninen and G. Eiceman (2024): Gas ion distillation and sequential ion processing technologies for identification and visualization of chemicals in airborne vapours (GIDPROvis),  International Conference CBRNE Research and Innovation '24, Strasbourg, France, March 2024

J. Winkelholz, M. Hitzemann, A. Nitschke, L. Stolpe, T. Kobelt, C. Thoben, H. Plinke and S. Zimmermann (2024): Ultraschnell umpolbares Ionenmobilitätsspektrometer mit vorgeschaltetem Gaschromatograph für die Analyse von Biogas,  10th IMS Users’ Meeting, pp. 40-41, Innsbruck, Austria, March 2024

J. Winkelholz, T. Kobelt, A. Nitschke, M. Hitzemann, M. Lippmann and S. Zimmermann (2024): Heated dual polarity ion mobility spectrometer for the detection of low-volatile chemical warfare agent aerosols,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '24, p. 88, Miami Beach, USA, July 2024

J. Wuttke, T. Kobelt, J. Winkelholz and S. Zimmermann (2024): Schnelle, isolierte und kostengünstige Messdatenerfassung mit hoher Auflösung,  17. Sensor-Symposium Dresden, pp. 74-75, Dresden, Germany, November 2024

K. Welters, C. Thoben, C.-R. Raddatz, F. Schlottmann, C.N. Naylor, S. Zimmermann and D. Belder (2024): Multidimensionale Mobilität und glänzende Haare: Analyse von Tensiden in Kosmetika mittels CE-IMS,  10th IMS Users’ Meeting, pp. 54-55, Innsbruck, Austria, March 2024

L. Keinert, J. Koch, C. Kuenzler, K. Dehning, A. Kassner, F. Dencker, S. Zimmermann and M. Wurz (2024): Modification of glass by a laser for the use in micro-electric systems and quantum devices,  European Quantum Technologies Conference - EQTC '24, #50, 2024

M. Allers, A. Ahrens, M. Hitzemann, S. Zimmermann and A. Ficks (2024): Detektion von schwerflüchtigen chemischen Nervenkampfstoffen über spezifische flüchtige Abbau- oder Nebenprodukte,  10th IMS Users’ Meeting, pp. 13-14, Innsbruck, Austria, March 2024

M. Bachmann, F. Duesberg, S. Edler, N. Miyakawa, A. Pahlke, F. Herdl, A. Schels, G.S. Duesberg, M. Kueddelsmann, E. Bunert, M. Kaschytzka and S. Zimmermann (2024): Neuartige Photoionisationsquelle mit Kohlenstofffluoreszenz,  10th IMS Users’ Meeting, pp. 42-43, Innsbruck, Austria, March 2024

M. Bachmann, F. Duesberg, S. Edler, N. Miyakawa, A. Schels, A. Pahlke, F. Herdl, G.S. Duesberg, M. Kueddelsmann, E. Bunert, M. Kaschytzka and S. Zimmermann (2024): Novel photoionization source with carbon fluorescence,  Int. Symposium on Hyphenated Techniques in Chromatography and Separation Technology - HTC '24, Leuven, Belgium, May 2024

M. Bachmann, S. Edler, N. Miyakawa, A. Schels, A. Pahlke, F. Herdl, G.S. Duesberg, M. Kueddelsmann, E. Bunert and S. Zimmermann (2024): Novel photoionization source with carbon fluorescence,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '24, p. 81, Miami Beach, USA, July 2024

M. Hitzemann, A. Nitschke, A.T. Kirk, M. Lippmann, J. Winkelholz and S. Zimmermann (2024): Ultraschnell umpolbares hochauflösendes Ionenmobilitätsspektrometer mit vorgeschaltetem Gaschromatograph am Beispiel der Analyse verschiedener Hopfensorten,  10th IMS Users’ Meeting, pp. 38-39, Innsbruck, Austria, March 2024

M. Lippmann, C. Schaefer, C. Schindler, N. Beijer, M. Beukers, M. Hitzemann, B. van de Kamp, J. Knotter and S. Zimmermann (2024): Detektion von Vorläuferstoffen der Drogensynthese mit einer Kopplung aus Gaschromatograph und Ionenmobilitätsspektrometer,  10th IMS Users’ Meeting, pp. 28-29, Innsbruck, Austria, March 2024

M. Moertel, M. Allers, L. Hermeling, F. Schlottmann, S. Zimmermann, A. Vollbehr, O. Hecht, B. Ungethuem and A. Ficks (2024): Detection of chemical warfare agents using High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  International Conference CBRNE Research and Innovation '24, Strasbourg, France, March 2024

M. Moertel, M. Allers, L. Hermeling, F. Schlottmann, S. Zimmermann, A. Vollbehr, O. Hecht, B. Ungethuem and A. Ficks (2024): Detection of chemical warfare agents using High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '24, p. 90, Miami Beach, USA, July 2024

M. Sehlmeyer, J. Biebighaeuser, B. Klinger, M.B. Bhavsar, H. Maier and S. Zimmermann (2024): How cochlear implant position and perilymph composition affect stimulation electrode impedance, Proceedings,  IEEE International Symposium on Medical Measurement and Applications - MeMeA '24, pp. 1-5, Eindhoven, The Netherlands, June 2024

M. Sehlmeyer, S. Deicke, J. Biebighaeuser, T. Blank, M.B. Bhavsar, H. Maier and S. Zimmermann (2024): Überwachung der Funktionalität von Cochlea-Implantaten per Impedanzspektroskopie,  17. Sensor-Symposium Dresden, pp. 65-66, Dresden, Germany, November 2024

M.B. Bhavsar, M. Sehlmeyer, S. Zimmermann and H. Maier (2024): All you see is an electrode? Probing CI electrode properties for optimizing stimulation parameters of cochlear implants,  Association for Research in Otolaryngology ARO '24, Journal of the Association for Research in Otolaryngology, vol. 25, pp. S1–S74, Anaheim, USA, February 2024

M.J. Kueddelsmann, F. Herdl, E. Bunert, A. Schels, S. Edler, M. Bachmann, M. Dillig, F. Dams, A. Pahlke, G.S. Duesberg and S. Zimmermann (2024): Novel non-radioactive electron capture detector based on a hot electron emitter,  Int. Symposium on Hyphenated Techniques in Chromatography and Separation Technology - HTC '24, Leuven, Belgium, May 2024

M.J. Kueddelsmann, M. Kaschytza, D. Claassen, M. Lippmann, S. Deicke, E. Bunert and S. Zimmermann (2024): Nicht-radioaktiver Elektroneneinfangdetektor basierend auf Photoionisation in kostengünstiger Leiterplattenbauweise,  17. Sensor-Symposium Dresden, pp. 98-99, Dresden, Germany, November 2024

M.J. Kueddelsmann, S. Deicke, M. Kaschytza, D. Claassen, M. Lippmann, E. Bunert and S. Zimmermann (2024): Non-radioactive electron capture detector based on high energy photoionization,  Proceedings, International Symposium on Chromatography - ISC '24, #50, 2024

T. Kobelt, J. Klose, R. Mukherjee, S.P. Szafranski and S. Zimmermann (2024): Differentiation of anaerobic bacterial strains using pyrolysis-gas chromatography-ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '24, p. 87, Miami Beach, USA, July 2024

T. Kobelt, M. Lippmann, J. Wuttke, H. Wessel and S. Zimmermann (2024): Effektives Detektorvolumen eines Ionenmobilitätsspektrometers mit Field-Switching-Ionentor als Gaschromatographie-Detektor,  10th IMS Users’ Meeting, pp. 50-51, Innsbruck, Austria, March 2024

T. Kobelt, M. Reulbach, R. Mukherjee, S.P. Szafranski, E. Jakubowitz and S. Zimmermann (2024): Schnelle Identifizierung von Pathogenen und Biomarkern per Pyrolyse-Gaschromatographie-Ionenmobilitätsspektrometrie,  17. Sensor-Symposium Dresden, pp. 11-12, Dresden, Germany, November 2024

A. Bohnhorst, C. Wendt, S. Zimmermann and A.T. Kirk (2023): Limitations and opportunities – understanding ion current detection in ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 61, Maastricht, The Netherlands, August 2023

A. Haack, C. Schaefer and S. Zimmermann (2023): Ion-solvent clustering in ion mobility spectrometry – Modelling and applications,  DGMS Young Scientists '23, pp. 36-37, Hünfeld, Germany, September 2023

A. Haack, C. Schaefer, S. Hopkins and S. Zimmermann (2023): Ion clustering and transformation reactions during transit in the HiKE-IMS: comparing measurement and model,  Conf. American Society for Mass Spectrometry - ASMS '23, Minneapolis, USA, June 2023

A. Haack, C. Schaefer, W.S. Hopkins and S. Zimmermann (2023): First-principles modeling of ion mobility and ion chemistry in IMS devices,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 68, Maastricht, The Netherlands, August 2023

A. Nitschke, C. Thoben, F. Schlottmann, T. Kobelt, A.T. Kirk, C.N. Naylor, G.-L. Gloeden and S. Zimmermann (2023): An electrospray ion mobility spectrometer combining high resolving power with high repetition rate for fast chromatography and droplet microfluidics,  International Symposium on High Performance Liquid Phase Separations and Related Techniques - HPLC '23, P-INST06, Duesseldorf, Germany, June 2023

A. Nitschke, M. Hitzemann, J. Winkelholz, M. Lippmann, A. Hoehne, A.T. Kirk and S. Zimmermann (2023): Plasma ionization source for a dual polarity ion mobility spectrometer utilizing parallel drift tubes,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 98, Maastricht, The Netherlands, August 2023

A.T. Kirk, C. Wendt, A. Bohnhorst and S. Zimmermann (2023): Enabling ultra-fast chemical analysis through fast and low-noise current measurements,  Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy - Pittcon '23, P85, Pennsylvania, USA, March 2023

B. Ungethuem, F. Schlottmann, L. Hermeling, S. Zimmermann and A. Walte (2023): New developments in the application of a field deployable high-pressure time-of-flight mass spectrometer,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 76, Maastricht, The Netherlands, August 2023

C. Schaefer, F. Schlottmann and S. Zimmermann (2023): High Kinetic Energy Ion Mobility Spectrometry - A promising approach for fast and reliable detection of chemical warfare agents,  IEEE Sensors '23, 1163, Vienna, Austria, October 2023

C. Schaefer, M. Lippmann, C. Schindler, N. Beijer, M. Beukers, M. Hitzemann, B. van de Kamp, J. Knotter and S. Zimmermann (2023): Detection of precursors for drug synthesis using high-temperature High Kinetic Energy Ion Mobility Spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 74, Maastricht, The Netherlands, August 2023

C. Schaefer, M. Lippmann, N. Beijer, M. Beukers, B. van de Kamp, J. Knotter and S. Zimmermann (2023): Detection of triacetone triperoxide (TATP) using High Kinetic Energy Ion Mobility Spectrometry,  DGMS Young Scientists '23, pp. 21-22, Hünfeld, Germany, September 2023

C. Thoben, A. Nitschke, F. Schlottmann, T. Kobelt, A.T. Kirk, C.N. Naylor, G.-L. Gloeden and S. Zimmermann (2023): High resolution electrospray ionization ion mobility spectrometry with high repetition rate for efficient coupling with fast chromatography and droplet microfluidics,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 99, Maastricht, The Netherlands, August 2023

C. Thoben, J.J. Stadtler, C.T. Nitsch, P.R. Simon, C.-R. Raddatz, M. Sehlmeyer and S. Zimmermann (2023): A coated blade spray ion mobility spectrometer,  International Symposium on High Performance Liquid Phase Separations and Related Techniques - HPLC '23, P-INST06, Duesseldorf, Germany, June 2023

C. Zorn, J.-H. Peters, M. Hanf, J. Adler, W. Holzke, K. Pelka, C. Broer, S. Froehling, B. Kostka, J. Wenzel, A. Mertens, K. Dehning, S. Zimmermann, K. Fischer and N. Kaminski (2023): Field-data based lab testing of a wind-energy power converter system: insights into cabinet and IGBT-module microclimates,  European Conference on Power Electronics and Applications - EPE '23, Energy Conversion Congress and Expo - ECCE Europe, pp. 1-10, Aalborg, Denmark, September 2023

C.N. Naylor, B.H. Clowers, F. Schlottmann, N. Solle and S. Zimmermann (2023): Low-cost, open-source multiplexing platform for ion gate control on High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS) to increase ion throughput,  Conf. American Society for Mass Spectrometry - ASMS '23, Minneapolis, USA, June 2023

D. Claassen, A. Bohnhorst and S. Zimmermann (2023): Reducing false alarm rate: low-cost multi-stage ion mobility spectrometer with collision induced fragmentation,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 88, Maastricht, The Netherlands, August 2023

F. Herdl, M.J. Kueddelsmann, A. Schels, M. Bachmann, S. Edler, D. Wohlfartsstaetter, F. Duesberg, A. Prugger, M. Dillig, F. Dams, C.O. Coileain, S. Zimmermann, R. Schreiner, A. Pahlke and G.S. Duesberg (2023): Characterization and operation of graphene-oxide-semiconductor emitters at atmospheric pressure levels,  International Vacuum Nanoelectronics Conference - IVNC '23, pp. 14-16, Cambridge, USA, July 2023

F. Schlottmann, A.T. Kirk, L. Hermeling, B. Ungethuem, F. Ziegert-Kuehn, A. Walte and S. Zimmermann (2023): How operating pressure and electric field strength affects sensitivity in High Kinetic Energy Ion Mobility Spectrometry,  Sensor and Measurement Science International - SMSI '23, pp. 384-385, Nuremberg, Germany, May 2023

F. Schlottmann, C. Schaefer and S. Zimmermann (2023): Corona discharge ionization in High Kinetic Energy Ion Mobility Spectrometry at pressures between 20 and 60 mbar,  DGMS Young Scientists '23, pp. 61-62, Hünfeld, Germany, September 2023

F. Ziegert-Kuehn, B. Ungethuem, F. Schlottmann, A. Bohnhorst, S. Zimmerman and A. Walte (2023): Towards a field deployable high-pressure time-of-flight mass spectrometer (HiP-MS),  Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy - Pittcon '23, C29-03, Pennsylvania, USA, March 2023

J. Winkelholz, M. Hitzemann, A. Nitschke, D. Claassen and S. Zimmermann (2023): Compensated resistive voltage divider based on printed circuit board design for measuring high RF fields with DC component as used in ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 94, Maastricht, The Netherlands, August 2023

L. Hermeling, F. Schlottmann, B. Ungethuem, A. Walte and S. Zimmermann (2023): Investigation of corona discharge ionization at low pressures in air,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 97, Maastricht, The Netherlands, August 2023

M. Allers, A. Ahrens, M. Hitzemann, S. Zimmermann and A. Ficks (2023): Drone mounted ion mobility spectrometers – capabilities and limitations,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 75, Maastricht, The Netherlands, August 2023

M. Bhavsar, M. Sehlmeyer, T. Lenarz, S. Zimmermann and H. Maier (2023): Detection of cell occupation on cochlear implants and implant position for atraumatic insertion and long-term monitoring of stimulation efficiency,  Association for Research in Otolaryngology - ARO '23, pp. 199, Orlando, USA, February 2023

M. Hitzemann, A. Nitschke, L. Stolpe, J. Winkelholz, T. Kobelt, C. Thoben, H. Plinke and S. Zimmermann (2023): Ultra-fast polarity switching GC-IMS for onsite and online analysis of biogas,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 100, Maastricht, The Netherlands, August 2023

M. Lippmann, C. Schaefer, C. Schindler, N. Beijer, M. Beukers, M. Hitzemann, B. van de Kamp, J. Knotter and S. Zimmermann (2023): Detection of precursors for drug synthesis using gas chromatography ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 90, Maastricht, The Netherlands, August 2023

M. Lippmann, C. Schaefer, N. Beijer, M. Beukers, B. van de Kamp, J. Knotter and S. Zimmermann (2023): Comparative study of triacetone triperoxide using high-temperature High Kinetic Energy Ion Mobility Spectrometry and gas chromatography ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 89, Maastricht, The Netherlands, August 2023

M. Reulbach, L. Cong, T. Kobelt, S. Zimmermann, B.-A. Behrens and E. Jakubowitz (2023): Acoustic emissions resulting from friction of different bone tissue against implant material: A new approach for implant loosening detection,  International Congress of the International Society for Technology in Arthroplasty - ISTA '23, New York City, USA, 2023

M.B. Bhavsar, M. Sehlmeyer, S. Zimmermann and H. Maier (2023): All you see is an electrode: probing CI electrode properties for optimizing stimulation parameters of cochlear implants,  International Symposium on Objective measures in auditory Implants - OMAI '23, p. 12, Antwerp, Belgium, September 2023

M.J. Kueddelsmann, A. Nitschke, M. Lippmann, T. Kobelt, A.T. Kirk and S. Zimmermann (2023): Advantages of focusing flow ion source geometries for fast response and high sensitivity,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 47, Maastricht, The Netherlands, August 2023

M.J. Kueddelsmann, E. Bunert and S. Zimmermann (2023): Nicht-radioaktiver Elektroneneinfangdetektor basierend auf schwacher Röntgenionisation,  33. Doktorandenseminar Hohenroda, p. 31, Hohenroda, Germany, January 2023

S. Froehling, B. Kostka, J.C. Wenzel, J.-H. Peters, M. Hanf, C. Zorn, K. Dehning, S. Zimmermann, N. Kaminski and A. Mertens (2023): Verification of hygrothermal simulations using silicone encapsulated climate sensors in continuously operated IGBT power modules,  International Conference on Power Electronics - ICPE '23, Energy Conversion Congress and Expo - ECCE Asia, pp 1361-1369, Jeju, Korea, May 2023

S. Gitte, N. Kunze-Szikszay, I. Eickel, T. Perl, M. Lippmann, S. Zimmermann, A. Dudakova, J. Wieditz, T.J. Legler, D. Sanders, C. Rosin and M. Euler (2023): Dual polarity GC-IMS blood culture headspace gas analyses enable early differentiation of nine common pathogens in sepsis,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 36, Maastricht, The Netherlands, August 2023

T. Kobelt, M. Reulbach, E. Jakubowitz and S. Zimmermann (2023): Identification of wear and abrasion particles from loosened hip arthroplasties with Py-GC-IMS,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '23, p. 108, Maastricht, The Netherlands, August 2023

A. Bohnhorst, A. Zygmanowski, Y. Yin, A.T. Kirk and S. Zimmermann (2022): How to run a drift tube IMS utilizing field induced fragmentation,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '22, p. 56, Memphis, USA, July 2022

A. Bohnhorst, C. Wendt, S. Zimmermann and A.T. Kirk (2022): Rauscharme Stromverstärker für die Ionenmobilitätsspektrometrie,  9th IMS Users’ Meeting, p. 33, Unna, Germany, March 2022

A. Bohnhorst, C. Wendt, S. Zimmermann and A.T. Kirk (2022): Low-noise current amplifiers for ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '22, p. 86, Memphis, USA, July 2022

A. Nitschke, M. Hitzemann, A. Bohnhorst, A.T. Kirk and S. Zimmermann (2022): Duales Ionenmobilitätsspektrometer mit parallelen Driftröhren,  9th IMS Users’ Meeting, p. 32, Unna, Germany, March 2022

A. Zygmanowski, D. Claassen, A. Bohnhorst and S. Zimmermann (2022): Ionentrennung nach alpha-Funktion und Fragmentierung: Realisierung eines auf Leiterplatten basierenden, mehrstufigen Ionenmobilitätsspektrometers,  9th IMS Users’ Meeting, p. 36, Unna, Germany, March 2022

A.T. Kirk, A. Bohnhorst and S. Zimmermann (2022): Tristate ion shutters - An overview and guide,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '22, p. 64, Memphis, USA, July 2022

A.T. Kirk, M.J. Kueddelsmann, P.J. Faust, A. Nitschke, P. Boeker and S. Zimmermann (2022): Coupling ion mobility spectrometry to hyper-fast gas chromatography by using a flow-optimized ion source,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '22, p. 84, Memphis, USA, July 2022

C. Schaefer, C.N. Naylor, F. Schlottmann and S. Zimmermann (2022): Experimental determination of hydration enthalpies of gas‐phase ions with High Kinetic Energy Ion Mobility Spectrometry (HiKE‐IMS) based on equilibrium constants,  Conf. American Society for Mass Spectrometry - ASMS '22, Minneapolis, USA, June 2022

C. Schaefer, F. Schlottmann and S. Zimmermann (2022): Fragmentation of product ions in High Kinetic Energy Ion Mobility Spectrometry,  International Mass Spectrometry Conference - IMSC '22, pp. 316-317, IM-PA-135, Maastricht, The Netherlands, August 2022

C. Thoben, C.-R. Raddatz, A. Tataroglu and S. Zimmermann (2022): Improving the resolving power of a compact high-resolution electrospray ionization ion mobility spectrometer,  International Symposium on Microscale Separations and Bioanalysis - MSB '22, p. 54, Liège, Belgium, July 2022

C. Thoben, S. Heiderich, N. Dennhardt, S. Zumsande, T. Krauss, R. Suempelmann, M. Reitz, H. Rueffert and S. Zimmermann (2022): Bestimmung der Restkonzentration volatiler Anästhetika bei „triggerfreier“ Allgemeinanästhesie mittels GC-IMS,  9th IMS Users’ Meeting, p. 17, Unna, Germany, March 2022

C. Thoben, T. Werres, C.-R. Raddatz, T. Teutenberg and S. Zimmermann (2022): Nutzung von Ethanol als organische mobile Phase für die nano-HPLC-ESI-IMS,  9th IMS Users’ Meeting, p. 42, Unna, Germany, March 2022

C. Wendt, A. Bohnhorst, S. Zimmermann and A.T. Kirk (2022): Covering nine orders of magnitude from counts to gigacounts using only one capacitive ultra‐wide‐range current amplifier,  Conf. American Society for Mass Spectrometry - ASMS '22, Minneapolis, USA, June 2022

C. Wendt, A. Bohnhorst, S. Zimmermann and A.T. Kirk (2022): A Fast ultra-low noise current amplifier for flame ionization detectors,  Int. Symposium on Hyphenated Techniques in Chromatography and Separation Technology - HTC '22, p. 160, Gent, Belgium, May 2022

C. Wendt, A. Bohnhorst, S. Zimmermann and A.T. Kirk (2022): A fast, ultra-low noise current amplifier with linear range from femtoamperes to nanoamperes,  Sensoren und Messsysteme '18, ITG/GMA-Fachtagung, pp. 293-296, Nuremberg, Germany, May 2022

C.-R. Raddatz and S. Zimmermann (2022): Untersuchung (hetero-)zyklischer Kohlenwasserstoffe mit geringen Unterschieden im Kollisionsquerschnitt mittels hochauflösender Ionenmobilitätsspektrometrie,  9th IMS Users’ Meeting, p. 35, Unna, Germany, March 2022

C.N. Naylor, B.H. Clowers, F. Schlottmann and S. Zimmermann (2022): Challenges and opportunities for coupling Hadamard transform multiplexing with High Kinetic Energy Ion Mobility Spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '22, p. 65, Memphis, USA, July 2022

C.N. Naylor, B.H. Clowers, F. Schlottmann and S. Zimmermann (2022): Lowering the detection limits by implementing Hadamard transform multiplexing with High Kinetic Energy Ion Mobility Spectrometry,  International Mass Spectrometry Conference - IMSC '22, pp. 775-776, IM-PB-069, Maastricht, The Netherlands, August 2022

C.N. Naylor, C. Schaefer, A.T. Kirk and S. Zimmermann (2022): Determination of ionization mechanisms of aniline using a High-Kinetic Energy Ion Mobility Spectrometer (HiKE-IMS),  9th IMS Users’ Meeting, p. 30, Unna, Germany, March 2022

C.N. Naylor, C. Schaefer, V.D. Gandhi, A.T. Kirk, C. Larriba‐Andaluz, and S. Zimmermann (2022): Elucidating the ionization mechanism of aniline isomers by combining High‐Kinetic Energy Ion Mobility Spectrometry (HiKE‐IMS) with ion mobility simulations,  Conf. American Society for Mass Spectrometry - ASMS '22, Minneapolis, USA, June 2022

F. Herdl, A. Schels, L. Hoeltgen, G.S. Duesberg, M.J. Kueddelsmann, S. Zimmermann, R. Muñoz, M. García-Hernández, M. Bachmann, S. Edler, A. Mai, D. Wohlfahrtsstaetter, F. Duesberg and F. Dams (2022): Electron impact ionization from planar field emitter,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '22, p. 78, Memphis, USA, July 2022

F. Schlottmann, A. Bohnhorst, C. Schaefer, F. Ziegert-Kuehn, B. Ungethuem, A. Walte and S. Zimmermann (2022): Hochenergie-Ionenmobilitätsspektrometer (HiKE-IMS) aus Leiterplatten und mit einem Betriebsdruck von bis zu 60 mbar für die schnelle vor-Ort-Analytik,  9th IMS Users’ Meeting, p. 26, Unna, Germany, March 2022

F. Schlottmann, C. Schaefer and S. Zimmermann (2022): Reactant ion population in High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS) at varying corona ionization source voltage and operating pressure,  International Mass Spectrometry Conference - IMSC '22, pp. 343-344, IM-PA-150, Maastricht, The Netherlands, August 2022

F. Schlottmann, C. Schaefer, C.N. Naylor and S. Zimmermann (2022): Reactant ion population in HiKE‐IMS at different corona ionization source voltages and operating pressures,  Conf. American Society for Mass Spectrometry - ASMS '22, Minneapolis, USA, June 2022

F. Weiss, C. Schaefer, V. Ruzsanyi. C.A. Mayhew and S. Zimmermann (2022): Untersuchung von Ionisationsprozessen deuterierter volatiler organischer Verbindungen mittels Hochenergie-Ionenmobilitätsspektrometrie (HiKE-IMS),  9th IMS Users’ Meeting, p. 52, Unna, Germany, March 2022

F. Ziegert-Kuehn, B. Ungethuem, F. Schlottmann, A. Bohnhorst, S. Zimmermann and A. Walte (2022): Trace detection of low molecular weight compounds using High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '22, p. 82, Memphis, USA, July 2022

F. Ziegert-Kuehn, H. Bruees, B. Ungethuem, M. Sehlmeyer, M. Hitzemann, A. Ahrens, A. Bohnhorst, S. Zimmermann and A. Walte (2022): Portable multi-sensor array with ultra-fast polarity switching ion mobility spectrometer,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '22, p. 69, Memphis, USA, July 2022

H. Kanematsu, R. Nakagawa, Y. Torisawa, H. Miura, M. Eguchi, M. Ishihara, T. Kogo, R. Kawai, A. Ogawa, N. Hirai, T. Hagio, R. Ichino, M. Ban, M. Yoshitake, D.M. Barry and S. Zimmermann (2022): Impedance measurements of biofilms on graphene films of various substrate materials and the applicability to biofilms sensors,  Global Summit and Expo on Nanotechnology and Nanomaterials - GSENN '22, pp. 53-54, Copenhagen, Denmark, June 2022

K. Welters, N.T. Hartner, K. Wink, C.-R. Raddatz, C. Thoben, M. Schirmer, S. Zimmermann and D. Belder (2022): IMS-gekoppelte Mikrofluidik für das Reaktionsmonitoring,  9th IMS Users’ Meeting, p. 20, Unna, Germany, March 2022

K.J. Dehning, A. Gossmann, M. Hitzemann and S. Zimmermann (2022): Split-ring resonator for measuring low amounts of glutamic acid in pure water,  16. Sensor-Symposium Dresden, pp. 132-135, Dresden, Germany, December 2022

M. Allers, C. Schaefer, A. Ahrens, F. Schlottmann, M. Hitzemann, T. Kobelt, S. Zimmermann and A. Ficks (2022): Hochenergie-Ionenmobilitätsspektrometrie (HiKE-IMS) zur selektiven Vor-Ort-Detektion von toxischen Industriechemikalien,  9th IMS Users’ Meeting, p. 13, Unna, Germany, March 2022

M. Hitzemann, A.T. Kirk, A. Bohnhorst, A. Nitschke and S. Zimmermann (2022): Plasma-Ionisationsquelle auf Basis von Leiterplatten für die Ionenmobilitätsspektrometrie,  9th IMS Users’ Meeting, p. 31, Unna, Germany, March 2022

M. Lippmann, L. Hermeling, M. Hitzemann, K.J. Dehning and S. Zimmermann (2022): Electronics for continuously measuring the resonance frequency and attenuation of a split-ring resonator,  16. Sensor-Symposium Dresden, pp. 177-182, Dresden, Germany, December 2022

M. Lippmann, S. Gitte, C. Ottersbach, I. Eickel, N. Kunze-Szikszay, T. Perl, C. Rosin, W. Vautz, C. Drees, S. Liedtke, T. Kobelt and S. Zimmermann (2022): Kopplung von Gaschromatograph und Doppelröhren-Ionenmobilitätsspektrometer zur Differenzierung von Sepsis-Erregern,  9th IMS Users’ Meeting, p. 38, Unna, Germany, March 2022

M. Sehlmeyer, A. Ahrens, A. Bohnhorst, H. Bruees, M. Hitzemann, V. Ruzsanyi, A. Walte and S. Zimmermann (2022): Baukleines duales Ionenmobilitätsspektrometer mit gaschromatographischer Vortrennung,  9th IMS Users’ Meeting, p. 34, Unna, Germany, March 2022

M. Sehlmeyer, M. Bhavsar, M. Hitzemann, H. Maier, C. Thoben and S. Zimmermann (2022): Detecting cell growth on cochlear implant stimulation electrodes by impedance spectrometry,  16. Sensor-Symposium Dresden, pp. 105-108, Dresden, Germany, December 2022

M.J. Kueddelsmann, A.T. Kirk, T. Kobelt and Stefan Zimmermann (2022): Optimierung einer Ionenquelle für GC-IMS-Systeme durch Fokussierung des Probengasstroms,  9th IMS Users’ Meeting, p. 50, Unna, Germany, March 2022

M.J. Kueddelsmann, E. Bunert and S. Zimmermann (2022): Non-radioactive electron capture detector based on X-ray ionization for the detection of pollutants,  16. Sensor-Symposium Dresden, pp. 29-34, Dresden, Germany, December 2022

M.J. Kueddelsmann, F. Herdl, A. Schels, S. Edler, L. Hoeltgen, G.S. Duesberg, M. Bachmann, A. Mai, D. Wohlfahrtsstaetter, F. Duesberg, F. Dams, A. Pahlke and S. Zimmermann (2022): Using a planar field emitter as ion source for ion mobility spectrometry in negative polarity,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '22, p. 54, Memphis, USA, July 2022

M.J. Kueddelsmann, N. Solle, E. Bunert and S. Zimmermann (2022): Elektroneneinfangdetektor mit Röntgenionisation,  Messtechnisches Symposium des Arbeitskreises der Hochschullehrer für Messtechnik - AHMT '22, tm – Technisches Messen, vol. 89, no. S1, pp. 72-76, Magdeburg, Germany, September 2022

S. Zimmermann (2022): Recent developments in IMS instrumentation,  Analytica '22, Munich, Germany, June 2022

S. Zumsande, C. Thoben, S. Zimmermann, T. Krauss, H. Rueffert, N. Dennhardt, R. Suempelmann and S. Heiderich (2022): Pitfalls of trigger-free anaesthesia – How safe is the wash out method,  European Malignant Hyperthermia Group - EMHG '22, Harrogate, UK, May 2022

T. Kobelt, J. Trachte, M. Lippmann and S. Zimmermann (2022): Entwicklung eines Gaschromatographen mit geringer thermischer Masse für die schnelle Temperaturprogrammierung,  9th IMS Users’ Meeting, p. 37, Unna, Germany, March 2022

V. Ruzsanyi, G. Aumayr, M. Sehlmeyer, S. Zimmermann, J. Bintinger, A. Essati, and A. Walte (2022): TRACK - Tragbares duales GC-IMS mit Multielement-Sensorsystem zur schnellen und zuverlässigen Detektion von versteckten Personen,  9th IMS Users’ Meeting, p. 12, Unna, Germany, March 2022

A. Ahrens, J. Moehle, M. Hitzemann and S. Zimmermann (2021): Ionendriftröhre aus Verbundwerkstoff,  8th IMS Users’ Meeting, p. 20, Potsdam, Germany, March 2021 (virtual due to corona pandemic)

A.T. Kirk, A. Bohnhorst and S. Zimmermann (2021): Analytical model for the signal-to-noise-ratio of drift tube ion mobility spectrometers,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '21, p. 40, July 2021 (virtual due to corona pandemic)

A.T. Kirk, M. Lippmann, M.J. Kueddelsmann and S. Zimmermann (2021): Improving sensitivity of ion mobility spectrometers with field switching ion shutters through an inhomogeneous injection grid structure,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '21, p. 80, July 2021 (virtual due to corona pandemic)

C. Drees, S. Brandt, W. Vautz, S. Liedtke, C. Rosin, M. Lippmann, S. Zimmermann, T. Perl, N. Kunze-Szikszay, M. Podzun, A.L. Ermert, M. Frettloeh (2021): Überwachung von mikrobiellem Wachstum mittels GC-IMS,  8th IMS Users’ Meeting, p. 36, Potsdam, Germany, March 2021 (virtual due to corona pandemic)

C. Schaefer, M. Allers, A.T. Kirk, F. Schlottmann, P. Wernicke and S. Zimmermann (2021): Untersuchungen zur Ionisation von aromatischen Kohlenwasserstoffen in einem Hochenergie-Ionenmobilitätsspektrometer (HiKE-IMS),  31. Doktorandenseminar Hohenroda, p. 9, January 2021 (virtual due to corona pandemic)

C. Thoben, C.-R. Raddatz, A. Ahrens, J.B. Schulte, A. Staschel and S. Zimmermann (2021): Compact electrospray ionization ion mobility spectrometer,  15. Dresdner Sensor-Symposium, pp. 60-63, Dresden, Germany, December 2021 (virtual due to corona pandemic)

C. Thoben, T. Werres, M. Lippmann, M. Hitzemann, C.-R. Raddatz, T. Teutenberg and S. Zimmermann (2021): Portables nano-HPLC-ESI-IMS,  8th IMS Users’ Meeting, p. 21, Potsdam, Germany, March 2021 (virtual due to corona pandemic)

C. Wendt, A. Bohnhorst, S. Zimmermann and A.T. Kirk (2021): Demonstrating fast current measurement from femtoamperes to nanoamperes with an ultra-low noise current amplifier,  15. Dresdner Sensor-Symposium, pp. 276-279, Dresden, Germany, December 2021 (virtual due to corona pandemic)

F. Schlottmann, A.T. Kirk, A. Bohnhorst, M. Allers, C. Schaefer, S. Kehlenbeck, A. Schwarz, F. Ziegert-Kuehn, B. Ungethuem, A. Walte and S. Zimmermann (2021): Miniaturisierung eines Hochenergie-Ionenmobiltätsspektrometers (HiKE-IMS) für eine zukünftige mobile Vor-Ort-Analytik,  8th IMS Users’ Meeting, p. 27, Potsdam, Germany, March 2021 (virtual due to corona pandemic)

F. Weiss, C. Schaefer, V. Ruzsanyi, C.A. Mayhew and S. Zimmermann (2021): High Kinetic Energy Ion Mobility Spectrometry–Mass Spectrometry investigations of four inhalation anesthetics,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '21, p. 28, July 2021 (virtual due to corona pandemic)

F. Ziegert-Kuehn, B. Ungethuem, F. Schlottmann, A. Bohnhorst, M. Allers, S. Zimmermann and A. Walte (2021): Anwendung eines High-Kinetic-Energy-Ionenmobilitätsspektrometers (HiKE-IMS) zur Spurendetektion,  8th IMS Users’ Meeting, p. 34, Potsdam, Germany, March 2021 (virtual due to corona pandemic)

F. Ziegert-Kuehn, B. Ungethuem, F. Schlottmann, A. Bohnhorst, M. Allers, S. Zimmermann and A. Walte (2021): Trace detection of low molecular weight compounds using High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '21, p. 44, July 2021 (virtual due to corona pandemic)

H. Kaneamtsu, R. Nakagawa, Y. Torisawa, H. Miura, D.M. Barry, M. Ishihara, M. Ban, R. Kawai, T. Kogo, A. Ogawa, N. Harai, M. Yoshitake and S. Zimmermann (2021): Infection capability of materials using graphene film and its impedance characteristics,  Int. Symposium on Advances in Technology Education - ISATE '21, pp 31-36 (part 3), Turku, Finland, August 2021 (virtual due to corona pandemic)

H. Kanematsu, D.M. Barry, H. Miura, S. Zimmermann and M. Yoshitake (2021): Evaluation of ceramic materials in medical application from the viewpoint of biofilms formation/ growth,  Int. Congress on Ceramics - ICC '21, 30-1325, Busan, Korea, April 2021 (virtual due to corona pandemic)

H. Kanematsu, R. Nakagawa, Y. Torisawa, H. Miura, M. Ishihara, M. Ban, D.M. Barry and S. Zimmermann (2021): Impedance measurements of biofilms on Graphene films and the application to biofilms sensors,  Global Summit and Expo on Nanotechnology and Nanomaterials - GSENN '21, Osaka, Japan, November 2021

K.J. Dehning, M. Hitzemann and S. Zimmermann (2021): Wireless measurement of moisture entry in SYLGARD-527,  Sensor and Measurement Science International – SMSI '21, pp. 304-305, Nuremberg, Germany, May 2021 (virtual due to corona pandemic)

K.J. Dehning, M. Hitzemann, E.-F. Sterr and S. Zimmermann (2021): Split-ring resonator as detector for liquid chromatography,  15. Dresdner Sensor-Symposium, pp. 285-289, Dresden, Germany, December 2021 (virtual due to corona pandemic)

M. Berger, A. Zygmanowski and S. Zimmermann (2021): Integrated differential transformer on a single printed circuit board,  Sensor and Measurement Science International – SMSI '21, pp. 220-221, Nuremberg, Germany, May 2021 (virtual due to corona pandemic)

M. Berger, A. Zygmanowski and S. Zimmermann (2021): Differential inductive sensing system using a differential transformer with shielded and split primary coil,  15. Dresdner Sensor-Symposium, pp. 121-125, Dresden, Germany, December 2021 (virtual due to corona pandemic)

M. Hitzemann, A. Nitschke, A. Bohnhorst, A.T. Kirk and S. Zimmermann (2021): Miniaturized dual polarity ion mobility spectrometer utilizing parallel drift tubes,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '21, p. 82, July 2021 (virtual due to corona pandemic)

M. Hitzemann, M. Lippmann, A.T. Kirk, A. Bohnhorst and S. Zimmermann (2021): Miniaturized ultra-fast polarity switching ion mobility spectrometer,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '21, p. 81, July 2021 (virtual due to corona pandemic)

M. Sehlmeyer, A. Ahrens, A. Bohnhorst, M. Hitzemann, H. Bruees, A. Walte, V. Ruzsanyi and S. Zimmermann (2021): Compact, ultra-fast polarity switching ion mobility spectrometer with gas chromatographic pre-separation,  15. Dresdner Sensor-Symposium, pp. 311-315, Dresden, Germany, December 2021 (virtual due to corona pandemic)

M. Zarejousheghani, P. Rahimi, H. Borsdorf, S. Zimmermann and Y. Joseph (2021): Glyphosat geprägte Polymere als kostengünstige und robuste künstliche selektive Sorptionsmittel für die Modifizierung von low-cost Sensoren,  15. Dresdner Sensor-Symposium, pp. 227-230, Dresden, Germany, December 2021 (virtual due to corona pandemic)

N. Solle, E. Bunert and S. Zimmermann (2021): Electron capture detector based on X-rays,  15. Dresdner Sensor-Symposium, pp. 281-284, Dresden, Germany, December 2021 (virtual due to corona pandemic)

S. Heiderich, C. Thoben, N. Dennhardt, T. Krauss, R. Sümpelmann, S. Zimmermann, M. Reitz, H. Rueffert (2021): Preparation of the Dräger Atlan A350 and GE Carestation 650 for trigger-free ventilation – a laboratory study,  European Malignant Hyperthermia Group - EMHG '21, May 2021 (virtual due to corona pandemic)

S. Zimmermann (2021): Driftröhren-IMS – 10 Jahre Ionenmobilitätsspektrometrie in Hannover,  8th IMS Users’ Meeting, p. 18, Potsdam, Germany, March 2021 (virtual due to corona pandemic)

T. Perl, W. Vautz, C. Drees, S. Liedtke, U. Telgheder, C. Zscheppank, C. Rosin, M. Lippmann, S. Zimmermann and N. Kunze-Szikszay (2021): Anwendung der Ionenmobilitätsspektrometrie zur Differenzierung mikrobieller Erreger,  8th IMS Users’ Meeting, p. 35, Potsdam, Germany, March 2021 (virtual due to corona pandemic)

T. Werres, C. Thoben, C.-R. Raddatz, I. Henning, T. Teutenberg, T.C. Schmidt and S. Zimmermann (2021): Development for a portable measuring device for the detection of pollutants in water based on nano-liquid chromatography and ion mobility spectrometry,  Int. Symposium on “The Chemical Monitoring Station of the Future”, Bundesanstalt für Gewässerkunde, p. 20, Koblenz, Germany, April 2021 (virtual due to corona pandemic)

T. Werres, C. Thoben, I. Henning, T.C. Schmidt, S. Zimmermann and T. Teutenberg (2021): Development of a portable measuring device for the detection of pollutants in water on the basis of nano-liquid chromatography and ion mobility spectrometry,  International Symposium on Microscale Separations and Bioanalysis - MSB '21, L-131, July 2021 (virtual due to corona pandemic)

A. Ahrens and S. Zimmermann (2020): Miniaturisiertes GC-IMS für die schnelle und sensitive vor-Ort-Analytik,  8th IMS Users’ Meeting, p. 39, Potsdam, Germany, March 2020 (proceedings published, meeting cancelled due to corona pandemic)

A. Bohnhorst, M. Hitzemann, M. Lippmann, A.T. Kirk and S. Zimmermann (2020): Enhanced resolving power by moving field ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '20 (virtual due to corona pandemic), p. 27, July 2020

A. Bohnhorst, Y. Yin and S. Zimmermann (2020): Baukleines Ionenmobilitätsspektrometer mit integrierter Wechselfeldzone zur orthogonalen Ionentrennung und kollisionsinduzierten Dissoziation und Fragmentierung für eine verbesserte Substanzidentifikation,  30. Doktorandenseminar Hohenroda, p. 29, Hohenroda, Germany, January 2020

A. Bohnhorst, Y. Yin, A.T. Kirk and S. Zimmermann (2020): Kollisionsinduzierte Dissoziation in einem Ionenmobilitätsspektrometer mit integrierter Wechselfeldzone,  8th IMS Users’ Meeting, p. 17, Potsdam, Germany, March 2020 (proceedings published, meeting cancelled due to corona pandemic)

A.T. Kirk, C. Wendt and S. Zimmermann (2020): A fast ultra-low noise current amplifier with linear dynamic range from femtoamperes to nanoamperes,  Conf. American Society for Mass Spectrometry - ASMS '20 (virtual due to corona pandemic), June 2020

A.T. Kirk, M.J. Kueddelsmann, S. Zimmermann (2020): Improving ion mobility spectrometer sensitivity through an optimized sample gas flow,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '20 (virtual due to corona pandemic), p. 13-14, July 2020

C. Drees, S. Brandt, W. Vautz, S. Liedtke, C. Rosin, M. Lippmann, S. Zimmermann, T. Perl, N. Kunze-Szikszay, M. Podzun, A.L. Ermert and M. Frettloeh (2020): Überwachung von mikrobiellem Wachstum mittels GC-IMS,  8th IMS Users’ Meeting, p. 21, Potsdam, Germany, March 2020 (proceedings published, meeting cancelled due to corona pandemic)

C. Drees, S. Brandt, W. Vautz, S. Liedtke, C. Rosin, M. Lippmann, Stefan Zimmermann, T. Perl, N. Kunze-Szikszay, M. Podzun, A.L. Ermert and M. Frettloeh (2020): On-line monitoring and differentiation of microbial growth using GC-IMS,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '20, p. 19-20, July 2020

C. Polaczek, C. Thoben, M. Allers, S. Zimmermann and T. Benter (2020): Chemical modification of the matrix gas: Comparison experiments with ESI‐MS and ESI‐IMS‐MS,  Conf. American Society for Mass Spectrometry - ASMS '20 (virtual due to corona pandemic), June 2020

C. Schaefer, M. Allers, A.T. Kirk, F. Schlottmann and S. Zimmermann (2020): Positive product ion formation of aromatic hydrocarbons in High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '20 (virtual due to corona pandemic), p. 15-16, July 2020

C. Thoben, T. Werres, M. Lippmann, M. Hitzemann, C.-R. Raddatz, T. Teutenberg and S. Zimmermann (2020): Portables nano-HPLC-ESI-IMS,  8th IMS Users’ Meeting, p. 40, Potsdam, Germany, March 2020 (proceedings published, meeting cancelled due to corona pandemic)

D. Belder, N. Hartner, C.-R. Raddatz, C. Thoben and S. Zimmermann (2020): Chip-based separations coupled to ion mobility spectrometry,  8th IMS Users’ Meeting, p. 29, Potsdam, Germany, March 2020 (proceedings published, meeting cancelled due to corona pandemic)

D. Erdogdu, M. Allers, W. Wissdorf, C. Markert, H. Kersten, S. Zimmermann and T. Benter (2020): Chemical reaction and transport simulations of positive reactant ions in High Kinetic Energy IMS (HiKE‐IMS),  Conf. American Society for Mass Spectrometry - ASMS '20 (virtual due to corona pandemic), June 2020

E. Bunert, C. Wendt, B. Bernhold, J.N. Woidtke, M. Sehlmeyer and S. Zimmermann (2020): Replacement for radioactive electron capture detectors (ECDs) in gas chromatography: ECDs with non-radioactive electron source,  30. Doktorandenseminar Hohenroda, p. 44, Hohenroda, Germany, January 2020

F. Schlottmann, A.T. Kirk, A. Bohnhorst, M. Allers, C. Schaefer, S. Kehlenbeck, A. Schwarz, B. Ungethuem, F. Ziegert‐Kuehn, A. Walte and S. Zimmermann (2020): Compact HiKE‐IMS for quantitative trace gas detection in field applications,  Conf. American Society for Mass Spectrometry - ASMS '20 (virtual due to corona pandemic), June 2020

F. Schlottmann, A.T. Kirk, A. Bohnhorst, M. Allers, C. Schaefer, S. Kehlenbeck, A. Schwarz, F. Ziegert-Kuehn, B. Ungethuem, A. Walte and S. Zimmermann (2020): Miniaturisierung eines Hochenergie-Ionenmobiltätsspektrometers (HiKE-IMS) für eine zukünftige mobile Vor-Ort Analytik,  8th IMS Users’ Meeting, p. 16, Potsdam, Germany, March 2020 (proceedings published, meeting cancelled due to corona pandemic)

F. Ziegert-Kuehn, B. Ungethuem, F. Schlottmann, A. Bohnhorst, S. Zimmermann and A. Walte (2020): Application of a High Kinetic Energy Ion Mobility Spectrometer (HiKE-IMS) for the trace detection of hazardous chemical compounds,  Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy - Pittcon '20, 5-72-8, Chicago, USA, March 2020

F. Ziegert-Kuehn, B. Ungethuem, F. Schlottmann, A. Bohnhorst, S. Zimmermann and A. Walte (2020): Anwendung eines High-Kinetic-Energy-Ionenmobilitätsspektrometers (HiKE-IMS) zur Spurendetektion von Gefahrstoffen,  8th IMS Users’ Meeting, p. 34, Potsdam, Germany, March 2020 (proceedings published, meeting cancelled due to corona pandemic)

H. Ewert, B. Ungethuem, A. Walte, S. Zimmermann and A. Bohnhorst (2020): Ansatz zur berührungslosen Detektion von energetischen Materialien,  8th IMS Users’ Meeting, p. 43, Potsdam, Germany, March 2020 (proceedings published, meeting cancelled due to corona pandemic)

H. Kanematsu, H. Miura, R. Tachi, R. Okada, D.M. Barry, S. Zimmermann, N. Hirai, A. Ogawa, T. Kogo, N. Wada and P. McGrath (2020): The use of alternate electromagnetic fields to control biofilm,  Materials Science and Technology - MS&T '20 (virtual due to corona pandemic)

M. Allers, A.T. Kirk, B. Timke and S. Zimmermann (2020): Untersuchungen zur Bildung der negativ geladenen Reaktantionen in Hochenergie-Ionenmobilitätsspektrometern (HiKE-IMS),  8th IMS Users’ Meeting, p. 30, Potsdam, Germany, March 2020 (proceedings published, meeting cancelled due to corona pandemic)

M. Allers, A.T. Kirk, D. Erdogdu, R. Hillen, W. Wissdorf, T. Benter and S. Zimmermann (2020): Investigations on the formation of positive and negative reactant ions in High Kinetic Energy Ion Mobility Spectrometry (HiKE‐IMS) by HiKE‐IMS‐MS,  Conf. American Society for Mass Spectrometry - ASMS '20 (virtual due to corona pandemic), June 2020

M. Allers, A.T. Kirk, N. von Rossbitzky and S. Zimmermann (2020): Hochenergie-Ionenmobilitätsspektrometrie (HiKE-IMS) für die Untersuchung der Ionenchemie in der Gasphase,  30. Doktorandenseminar Hohenroda, p. 30, Hohenroda, Germany, January 2020

M. Hitzemann, A.T. Kirk, A. Bohnhorst, E. Sailer and S. Zimmermann (2020): Plasma ionization source for ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '20 (virtual due to corona pandemic), p. 31, July 2020

M. Lippmann, A.T. Kirk, T. Kobelt and S. Zimmermann (2020): Kopplung von Gaschromatographie und hochsensitivem Doppelröhren-Ionenmobilitätsspektrometer für die Analyse komplexer Stoffgemische,  8th IMS Users’ Meeting, p. 46, Potsdam, Germany, March 2020 (proceedings published, meeting cancelled due to corona pandemic)

M. Lippmann, C. Rosin, C. Drees, W. Vautz, S. Liedtke, N. Kunze-Szikszay, T. Perl, M. Hitzemann, A.T. Kirk and Stefan Zimmermann (2020): Combining gas chromatography and dual polarity ion mobility spectrometry for rapid analysis of standard blood cultures,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '20 (virtual due to corona pandemic), p. 40-41, July 2020

N. Hartner, C.-R. Raddatz, C. Thoben, S. Zimmermann and D. Belder (2020): Coupling chip electrochromatography to electrospray ionization ion mobility spectrometry,  8th IMS Users’ Meeting, p. 47, Potsdam, Germany, March 2020 (proceedings published, meeting cancelled due to corona pandemic)

S. Zimmermann (2020): Driftröhren-IMS – 10 Jahre Ionenmobilitätsspektrometrie in Hannover,  8th IMS Users’ Meeting, p. 15, Potsdam, Germany, March 2020 (proceedings published, meeting cancelled due to corona pandemic)

T. Perl, W. Vautz, C. Drees, S. Liedtke, U. Telgheder, C. Zscheppank, C. Rosin, M. Lippmann, S. Zimmermann and N. Kunze-Szikszay (2020): Anwendung der Ionenmobilitätsspektrometrie zur Differenzierung mikrobieller Erreger,  8th IMS Users’ Meeting, p. 19, Potsdam, Germany, March 2020 (proceedings published, meeting cancelled due to corona pandemic)

A. Ahrens and S. Zimmermann (2019): Bundled column GC-IMS – a miniaturized system for fast and sensitive on-site analytics,  14. Sensor-Symposium Dresden, pp. 172-175, Dresden, Germany, December 2019

A. Ahrens and S. Zimmermann (2019): Miniaturized ion mobility spectrometer coupled to gas chromatograph with bundled columns,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 69, Hanover, Germany, July 2019

A. Bohnhorst, A.T. Kirk, Y. Yin and S. Zimmermann (2019): FAT-IMS with collision-induced dissociation for improved compound identification,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 35, Hanover, Germany, July 2019

A.T. Kirk, M. Allers, F. Schlottmann, T. Kobelt, C. Schäfer and S. Zimmermann (2019): Ionenchemie in einem Hochenergie-Ionenmobilitätsspektrometer (HiKE-IMS),  29. Doktorandenseminar Hohenroda, p. 13, Hohenroda, Germany, January 2019

A.T. Kirk, T. Kobelt, M.J. Kueddelsmann, M. Lippmann and S. Zimmermann (2019): Combining fast gas chromatographic pre-separation with an ultrahigh sensitive dual polarity drift tube IMS,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 28, Hanover, Germany, July 2019

A.T. Kirk, T. Reinecke, C. Wendt, P. Kwantwi‐Barima, C. Thoben, B.H. Clowers and S. Zimmermann (2019): Improving ion mobility – mass spectrometry performance using a tristate ion shutter with extremely low ion discrimination,  Conf. American Society for Mass Spectrometry - ASMS '19, Atlanta, USA, June 2019

B. Ungethuem, F. Schlottmann, A. Walte, F. Ziegert and S. Zimmermann (2019): Development of a high pressure time of flight mass spectrometer (HiP-MS) for first response applications,  Pittcon '19, 420-7, Philadelphia, USA, March 2019

C. Drees, S. Brandt, W. Vautz, S. Liedtke, C. Rosin, M. Lippmann, S. Zimmermann, T. Perl, N. Kunze-Szikszay, M. Podzun, A.L. Ermert and M. Frettloeh (2019): Surveillance of bacteria growth using GC-IMS,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 25, Hanover, Germany, July 2019

C. Schaefer, A.T. Kirk and S. Zimmermann (2019): Investigation of the mobility shift of isotopologues in a high kinetic energy ion mobility spectrometer,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 60, Hanover, Germany, July 2019

C. Thoben, C.-R. Raddatz, F. Saab, J. Koch, M.J. Kueddelsmann and S. Zimmermann (2019): High resolution ESI-APPI ion mobility spectrometer,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 78, Hanover, Germany, July 2019

C. Thoben, M. Lippmann, M. Hitzemann, C.-R. Raddatz and S. Zimmermann (2019): Towards a portable nano-HPLC-ESI-IMS - MiniLAB,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 81, Hanover, Germany, July 2019

C. Wendt, E. Bunert, M. Bachmann, F. Duesberg, S. Edler, C. Langer, R. Lawrowski, M. Hausladen, R. Schreiner and S. Zimmermann (2019): New non-radioactive field emission based electron source for electron capture detectors,  14. Sensor-Symposium Dresden, pp. 40-43, Dresden, Germany, December 2019

C. Wendt, E. Bunert, M. Bachmann, F. Duesberg, S. Edler, C. Langer, R. Lawrowski, M. Hausladen, R. Schreiner and S. Zimmermann (2019): Application of a new non-radioactive field emission based electron source in ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 70, Hanover, Germany, July 2019

C.-R. Raddatz, M.G. Wagner, A.T. Kirk and Stefan Zimmermann (2019): Ion mobility of isotopologues of several alcohols and alkanes in ultrahigh-resolution ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 63, Hanover, Germany, July 2019

D. Erdogdu, M. Allers, A.T. Kirk, F. Stappert, W. Wissdorf, H. Kersten, S. Zimmermann and T. Benter (2019): Simulation of cluster dynamics in high kinetic energy IMS (HiKE‐IMS),  Conf. American Society for Mass Spectrometry - ASMS '19, Atlanta, USA, June 2019

F. Duesberg, M. Bachmann, S. Edler, A. Pahlke, C. Prommesberger, C. Langer, R. Schreiner, E. Bunert and S. Zimmermann (2019): Novel non-radioactive electron source,  International Symposium on Capillary Chromatography - ISCC '19, Fort Worth, USA, May 2019

F. Schlottmann, A.T. Kirk, A. Bohnhorst, M. Allers, S. Kehlenbeck, F. Ziegert-Kuehn, B. Ungethuem, A. Walte and S. Zimmermann (2019): Towards a hand-held High Kinetic Energy Ion Mobility Spectrometer (HiKE-IMS) for fast and quantitative trace compound detection,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 39, Hanover, Germany, July 2019

F. Stappert, D. Erdogdu, M. Allers, W. Wissdorf, A.T. Kirk, H. Kersten, S. Zimmermann and T. Benter (2019): Effects of physical and chemical interactions in ion mobility spectrometry (IMS) depending on the reduced field strengths,  Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie - DGMS '19, p. 101, Rostock, Germany, March 2019

F. Stappert, M. Allers, D. Erdogdu, A.T. Kirk, W. Wissdorf, H. Kersten, S. Zimmermann and T. Benter (2019): Chemical modification and cluster dynamics in high kinetic energy IMS (HiKE‐IMS),  Conf. American Society for Mass Spectrometry - ASMS '19, Atlanta, USA, June 2019

F. Ziegert-Kuehn, B. Ungethuem, F. Schlottmann, A. Bohnhorst, S. Zimmermann and A. Walte (2019): Application of a high pressure time of flight mass spectrometer (HiP-MS) for the trace detection of hazardous chemical compounds,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 46, Hanover, Germany, July 2019

H. Ewert, B. Ungethuem, A. Walte, S. Zimmermann, A. Bohnhorst and N. Damaschke (2019): Novel approach for contactless detection of energetic materials,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 80, Hanover, Germany, July 2019

H. Kanematsu, H. Miura, D.M. Barry and S. Zimmermann (2019): Effect of alternating electromagnetic field on extracellular polymeric substances derived from biofilms and its mechanism,  Materials Science and Technology - MS&T '19, pp. 182-185, Portland, USA, September 2019

K. Dehning, S. Fisahn and S. Zimmermann (2019): Split-Ring-Resonator und Quarzmikrowaage als Biosensor,  Kleinheubacher Tagung '19, p. 72, Miltenberg, Germany, September 2019

K.J. Dehning, M. Hitzemann, S. Fisahn and S. Zimmermann (2019): Split-ring resonator: A new detector in liquid chromatography,  14. Sensor-Symposium Dresden, pp. 167-171, Dresden, Germany, December 2019

M. Allers, A.T. Kirk, C. Schaefer and S. Zimmermann (2019): A study of the reactant ion population generated by corona discharge ionization in air using High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 66, Hanover, Germany, July 2019

M. Allers, A.T. Kirk, C. Schaefer and S. Zimmermann (2019): Investigation of ion-molecule interactions using High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  Int. Conference on Soft Chemical Ionization Mass Spectrometry - ICSCIMS '19, p. 73, Prague, Czech Republic, June 2019

M. Bachmann, F. Duesberg, S. Edler, C. Langer, F. Dams, N. Miyakawa, A. Pahlke, R. Lawrowski, M. Hausladen, R. Schreiner, E. Bunert, C. Wendt and S. Zimmermann (2019): Non-radioactive electron source based on a field emitter array,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 71, Hanover, Germany, July 2019

M. Berger, F. Sellering, H. Roehrich, H. Mansour, T. Perl and S. Zimmermann (2019): A differential transformer for noninvasive continuous sodium monitoring during dialysis treatment,  IEEE Sensors '19, Montreal, Canada, October 2019

M. Berger, F. Sellering, H. Roehrich, T. Perl, H. Mansour, D. Baasner and S. Zimmermann (2019): Continuous in-line monitoring of electrolyte and urea concentrations in extracorporeal circuits,  14. Sensor-Symposium Dresden, pp. 113-118, Dresden, Germany, December 2019

M. Hitzemann, A.T. Kirk, A. Bohnhorst, M. Lippmann, F. Schlottmann and S. Zimmermann (2019): Improved electronics for a compact ultra-fast switching ion mobility spectrometer,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 72, Hanover, Germany, July 2019

M. Lippmann, A.T. Kirk, M. Hitzemann, F. Schlottmann and S. Zimmermann (2019): A high performance dual polarity ion mobility spectrometer with non-radioactive ionization source,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 74, Hanover, Germany, July 2019

N.T. Hartner, C.-R. Raddatz, S. Zimmermann and D. Belder (2019): Coupling on-chip electrochromatography to ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 29, Hanover, Germany, July 2019

R. Hillen, W. Wissdorf, M. Allers, H. Kersten, S. Zimmermann and T. Benter (2019): Simulation of isotherm HiKE‐IMS – MS transfer stage,  Conf. American Society for Mass Spectrometry - ASMS '19, Atlanta, USA, June 2019

S. Fisahn, J. Ringkamp, K. Dehning, S. Zimmermann and J. Langejuergen (2019): Respiration parameter determination with non-obstructive methods,  Kleinheubacher Tagung '19, p. 70, Miltenberg, Germany, September 2019

S. Heiderich, C. Thoben, S. Zimmermann and H. Rueffert (2019): Trigger-free long duration minimal flow ventilation using activated charcoal filters,  European Malignant Hyperthermia Group - EMHG '19, Potsdam, Germany, May 2019

S. Sguera, M. Troiani, A.T. Kirk, D. Kayser, T. Limero and S. Zimmermann (2019): Chemotype verification and contaminant monitoring of agricultural herbs using IMS with UV ionization,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 79, Hanover, Germany, July 2019

T. Kobelt, A.T. Kirk and S. Zimmermann (2019): Extending the Golay equation for coupling a gas chromatograph to a drift tube IMS,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '19, p. 64, Hanover, Germany, July 2019

A. Bohnhorst and S. Zimmermann (2018): Reduktion von Fehlalarmraten mithilfe eines kompakten Field Asymmetric Time of Flight Ion Mobility Spectrometers,  7th IMS Users’ Meeting, pp. 52-53, Reutlingen, Germany, March 2018

A. Bohnhorst, A.T. Kirk and S. Zimmermann (2018): Separation and identification of explosives and chemical warfare agents with a field asymmetric time-of-flight ion mobility spectrometer,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '18, p. 28, Calgary, Canada, July 2018

A. Gehl and S. Zimmermann (2018): Ein neues Detektorkonzept für die Flüssigchromatographie basierend auf einem Split-Ring-Resonator,  Messtechnisches Symposium des Arbeitskreises der Hochschullehrer für Messtechnik - AHMT '18, tm – Technisches Messen, vol. 85, no. S1, pp. 33-37, Bremen, Germany, September 2018

A. Kirk, M. Allers and S. Zimmermann (2018): Measurement of protonated water clusters using high kinetic energy ion mobility spectrometry (HiKE-IMS),  International Mass Spectrometry Conference - IMSC '18, p. 950-951, Florence, Italy, August 2018

A.T. Kirk, M. Kueddelsmann and S. Zimmermann (2018): An optimized GC-IMS system with significantly increased sensitivity,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '18, p. 63, Calgary, Canada, July 2018

A.T. Kirk, T. Kobelt, M. Allers and S. Zimmermann (2018): A Study of protonated water clusters and isotopologues using a high resolution high kinetic energy ion mobility spectrometer (HiKE-IMS),  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '18, p. 54, Calgary, Canada, July 2018

A.T. Kirk, T. Last and S. Zimmermann (2018): Ultra-sensitive trace gas detection by gas chromatography-ion mobility spectrometry employing ionic liquid stationary phases,  International Symposium on Capillary Chromatography - ISCC '18, pp. 149, Riva del Garda, Italy, May 2018

C. Thoben, C.-R. Raddatz, A.T. Kirk and S. Zimmermann (2018): Compact high-resolution ESI-IMS for fast detection of trace water pollutants,  Sensoren und Messsysteme '18, ITG/GMA-Fachtagung, pp. 22-25, Nuremberg, Germany, June 2018

C. Thoben, C.-R. Raddatz, A.T. Kirk, C. Wendt and S. Zimmermann (2018): Charakterisierung eines kompakten ESI-IMS mit einem neuartigen Shutterprinzip,  28. Doktorandenseminar Hohenroda, p. 31, Hohenroda, Germany, January 2018

C. Thoben, S. Heiderich, N. Dennhardt, W. Koppert, T. Krauss, R. Suempelmann, W. Klingler and S. Zimmermann (2018): Untersuchung der Arbeitsplatzbelastung durch volatile Anästhetika im Aufwachraum mittels GC-IMS,  7th IMS Users’ Meeting, pp. 33-34, Reutlingen, Germany, March 2018

C.-R. Raddatz, A.T. Kirk and S. Zimmermann (2018): Separation of isomers with ultra-high-resolution ion mobility spectrometry,  International Mass Spectrometry Conference - IMSC '18, p. 1183-1185, Florence, Italy, August 2018

C.-R. Raddatz, A.T. Kirk and S. Zimmermann (2018): Ultra-high resolution ion mobility spectrometry for separation of isotopologues,  European Mass Spectrometry Conference - EMSC '18, p. 226, Saarbrücken, Germany, March 2018

D. Erdogdu, W. Wissdorf, F. Stappert, H. Kersten, T. Benter, A.T. Kirk, M. Allers, S. Zimmermann, B.B. Schneider and T. Covey (2018): Chemical kinetic and ion transport simulations: Temperature dependence of ion mobility and its impact on cluster equilibria,  Conf. American Society for Mass Spectrometry - ASMS '14, San Diego, USA, June 2018

E. Bunert, A.T. Kirk, N. Deutsch, M. Allers and S. Zimmermann (2018): Pulsed electron capture detector with non-radioactive electron source,  International Symposium on Capillary Chromatography - ISCC '18, pp. 287, Riva del Garda, Italy, May 2018

M. Allers, L. Timoumi, A.T. Kirk, F. Schlottmann and Stefan Zimmermann (2018): A high-resolution ion mobility spectrometer coupled to a time-of-flight mass spectrometer,  International Mass Spectrometry Conference - IMSC '18, p. 1164-1165, Florence, Italy, August 2018

M. Berger, D. Niebuhr, M. Allers and S. Zimmermann (2018): Continuous non-invasive sodium monitoring in extracorporeal circuits,  Int. Meeting on Chemical Sensors - IMCS '18, pp. 683-684, Vienna, Austria, July 2018

A. Ahrens and S. Zimmermann (2017): Easy-to-manufacture mini-IMS with improved analytical performance,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '17, p. , p. 41, Warsaw, Poland, July 2017

A. Ahrens and S. Zimmermann (2017): A miniaturized drift tube ion mobility spectrometer for hand-held devices,  SENSOR '17, pp. 105-108, Nuremberg, Germany, May 2017

A. Bohnhorst, A.T. Kirk and S. Zimmermann (2017): Introduction of a compact field asymmetric time of flight IMS,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '17, p. 57, Warsaw, Poland, July 2017

A. Gehl, J.-G. Walter, T. Reinecke, T. Kobelt, A. Ahrens, T. Scheper and S. Zimmermann (2017): A biosensor for detecting C-reactive proteins,  Infotag Aptamere '17, p. 22, Frankfurt, Germany, April 2017

A. Kuklya, T. Reinecke, F. Uteschil, K. Kerpen and S. Zimmermann (2017): X-ray ionization differential ion mobility spectrometry,  ANAKON '17, Tübingen, Germany, April 2017

A. Kusch, M. Stompe, E. Bunert, S. Zimmermann, L. Rissing and M.C. Wurz (2017): Silicon field emitter arrays produced via wafer dicing,  International Vacuum Nanoelectronics Conference - IVNC '17, pp. 132-133, Regensburg, Germany, July 2017

A.T. Kirk and S. Zimmermann (2017): cv2alpha – Improved algorithm and software tool for extracting alpha coefficients,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '17, p. 50, Warsaw, Poland, July 2017

A.T. Kirk and S. Zimmermann (2017): Recent advances in ion mobility spectrometry,  International Symposium on Separation Sciences - ISSS '17, p. 116, Vienna, Austria, September 2017

A.T. Kirk, D. Grube, C. Wendt and S. Zimmermann (2017): A high resolution high kinetic energy ion mobility spectrometer based on a non-discriminating ion shutter,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '17, p. 51, Warsaw, Poland, July 2017

A.T. Kirk, M. Hitzemann, A. Bohnhorst and S. Zimmermann (2017): Fast switching ion mobility spectrometer for simultaneous pptv-level detection of proton and electron affine compounds in gas chromatography,  International Symposium on Capillary Chromatography - ISCC '17, Fort Worth, USA, May 2017

B. Ungethuem, A. Walte, A. Bohnhorst and S. Zimmermann (2017): FAT-IMS – First results with an integrated combination of FAIMS and ToF-IMS,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '17, p. 43, Warsaw, Poland, July 2017

C. Thoben, A.T. Kirk, C.-R. Raddatz, T.F. Koch, C. Wendt and S. Zimmermann (2017): An improved compact electrospray ionization ion mobility spectrometer with a novel shutter principle,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '17, p. 69, Warsaw, Poland, July 2017

C. Thoben, T. Reinecke, J. Martin and S. Zimmermann (2017): Realtime monitoring of the position of a cochlea implant during insertion in an internal ear phantom,  Messtechnisches Symposium des Arbeitskreises der Hochschullehrer für Messtechnik - AHMT '17, tm – Technisches Messen, vol. 84, no. S1, pp. 98-101, Clausthal-Zellerfeld, Germany, September 2017

C.-R. Raddatz, A.T. Kirk and S. Zimmermann (2017): Separation of isotopologues in noble gas,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '17, p. 53, Warsaw, Poland, July 2017

C.-R. Raddatz, A.T. Kirk and S. Zimmermann (2017): Separation of Isotopologues in Ultra-High Resolution UV Ion Mobility Spectrometry,  27. Doktorandenseminar Hohenroda, p. 21, Hohenroda, Germany, January 2017

E. Bunert, A. Heptner, O. Kaebein, A. Kusch, M.C. Wurz and S. Zimmermann (2017): Pulsed electron source for atmospheric pressure chemical ionization in ion mobility spectrometry,  International Vacuum Nanoelectronics Conference - IVNC '17, pp. 102-103, Regensburg, Germany, July 2017

E. Bunert, A.T. Kirk and S. Zimmermann (2017): An electron capture detector based on a non-radioactive electron source,  SENSOR '17, pp. 627-631, Nuremberg, Germany, May 2017

E. Bunert, A.T. Kirk, J. Oermann and S. Zimmermann (2017): Electron capture detector with non-radioactive electron source,  Eurosensors XXXI, vol. 1, no. 4, 443, Paris, France, September 2017

E. Bunert, A.T. Kirk, M. Allers, J. Oermann, N. Deutsch and S. Zimmermann (2017): Charakterisierung eines Elektroneneinfangdetektors mit nicht-radioaktiver Elektronenquelle,  13. Sensor-Symposium Dresden, pp. 40-44, Dresden, Germany, December 2017

E. Bunert, O. Kaebein, A.T. Kirk and S. Zimmermann (2017): Spatial ion distributions generated by different ionization sources,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '17, p. 31, Warsaw, Poland, July 2017

M. Allers, S. Schoenewald, K. Bakes and S. Zimmermann (2017): Continuous non-invasive cell growth monitoring in disposable bioreactors using an active compensated differential transformer,  13. Sensor-Symposium Dresden, pp. 199-202, Dresden, Germany, December 2017

M. Allers, T. Reinecke and S. Zimmermann (2017): Detection of mercury vapor in air by differential heat dissipation measurements,  Eurosensors XXXI, vol. 1, no. 4, 440, Paris, France, September 2017

M. Allers, T. Reinecke, T. Nagraik, D. Solle, K. Bakes, M. Berger, T. Scheper and S. Zimmermann (2017): Differential inductive sensor for continuous non-invasive cell growth monitoring in disposable bioreactors,  Eurosensors XXXI, vol. 1, no. 4, 518, Paris, France, September 2017

M. Allers, V. Ruzsanyi, C.A. Mayhew and S. Zimmermann (2017): Recognition of ventilator-associated pneumonia using ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '17, p. 66, Warsaw, Poland, July 2017

M. Berger and S. Zimmermann (2017): In-line-Monitoring der Elektrolyt- und Harnstoffkonzentration in extrakorporalen Kreisläufen zur Individualisierung der Nierenersatztherapie,  13. Sensor-Symposium Dresden, pp. 168-173, Dresden, Germany, December 2017

M. Hitzemann, A.T. Kirk, A. Bohnhorst and S. Zimmermann (2017): An ultra-fast switching and compact ion mobility spectrometer,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '17, p. 31, Warsaw, Poland, July 2017

P. Mochalski, V. Ruzsanyi, M. Allers, S. Zimmermann and C.A. Mayhew (2017): Quantitative monitoring of selected volatile organic compounds emitted from the human body using gas chromatography ion mobility spectrometry (GC-IMS),  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '17, p. 66, Warsaw, Poland, July 2017

S. Heiderich, C. Thoben, S. Zimmermann, T. Krauss, N. Dennhardt, R. Suempelmann and W. Klingler (2017): Anesthetic waste gas concentrations in post-anesthesia care units – a risk for malignant hyperthermia,  European Malignant Hyperthermia Group - EMHG '17, Antwerp, Belgium, June 2017

S. Heiderich, C. Thoben, S. Zimmermann, T. Krauss, N. Dennhardt, R. Suempelmann and W. Klingler (2017): Workplace exposure to volatile anesthetics in the recovery room – a risk for pregnant women or malignant hyperthermia patients,  Deutscher Anästhesiecongress - DAC '17, WV-1.8, in Anästhesiologie & Intensivmedizin, vol. 58, p. 363, Nuremberg, Germany, May 2017

T. Reinecke, J.-G. Walter, T. Kobelt, A. Ahrens, T. Scheper and S. Zimmermann (2017): Biosensor based on a split-ring resonator,  SENSOR '17, pp. 78-83, Nuremberg, Germany, May 2017

U. Telgheder, A. Kuklya, T. Reinecke, F. Uteschil, K. Kerpen and S. Zimmermann (2017): X-ray ionization differential ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '17, p. 56, Warsaw, Poland, July 2017

A. Ahrens and S. Zimmermann (2016): A miniaturized, light-weight drift tube ion mobility spectrometer using different ion sources,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '16, Boston, USA, July 2016

A. Bohnhorst, A.T. Kirk and S. Zimmermann (2016): A miniaturized low-cost ion mobility spectrometer manufactured from printed circuit boards,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '16, Boston, USA, July 2016

A. Bohnhorst, A.T. Kirk, M. Allers and S. Zimmermann (2016): A miniaturized low-cost ion mobility spectrometer based on printed circuit boards,  6th IMS Users’ Meeting, pp. 52-53, Hanover, Germany, March 2016

A. Heptner, E. Bunert, I. Niedzwiecki, N. Angerstein and S. Zimmermann (2016): Benefits of a pulsed electron source used as an ionization source in ion mobility spectrometry,  6th IMS Users’ Meeting, pp. 56, Hanover, Germany, March 2016

A. Heptner, N. Angerstein und Stefan Zimmermann (2016): Fast trace gas detector based on ion-ion-recombination,  Sensoren und Messsysteme '16, GMA/ITG-Fachtagung, pp. 351-356, Nuremberg, Germany, May 2016

A.T. Kirk and S. Zimmermann (2016): High kinetic energy ion mobility spectrometry (HiKE-IMS) for quantitative and selective trace gas detection,  European Society for Automatic Alarm Systems - Conference on New Perspectives for Fire Detection by Novel and Innovative Gas Sensing - EUSAS '16, Paderborn, Germany, September 2016

A.T. Kirk, C.-R. Raddatz and S. Zimmermann (2016): Ion mobility at ultra-high resolution and high reduced field strengths,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '16, Boston, USA, July 2016

A.T. Kirk, J. Langejuergen, M. Allers, J. Oermann and S. Zimmermann (2016): Detection of hard to ionize compounds with HiKE-IMS,  6th IMS Users’ Meeting, pp. 34-35, Hanover, Germany, March 2016

A.T. Kirk, M. Hitzemann, T. Neumann and S. Zimmermann (2016): An ultra-fast polarity switching ion mobility spectrometer,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '16, Boston, USA, July 2016

A.T. Kirk, T. Last and S. Zimmermann (2016): A highly sensitive GC detector based on dielectric barrier discharge ionization,  International Symposium on Capillary Chromatography - ISCC '16, pp. 166, Riva del Garda, Italy, May 2016

C. Thoben, T. Reinecke, A.T. Kirk, A. Ahrens, C.-R. Raddatz and S. Zimmermann (2016): A compact high-resolution ESI-IMS,  6th IMS Users’ Meeting, pp. 34-35, Hannover, Germany, March 2016

E. Bunert, W. Appel and S. Zimmermann (2016): Application of a non-radioactive electron source in a shutter-less ion mobility spectrometer,  6th IMS Users’ Meeting, p. 55, Hanover, Germany, March 2016

O. Holz, A. Gaida, C. Nell, M. Allers, S. Schuchardt, S. Zimmermann, R. Koczulla and J.M. Hohlfeld (2016): Rating the value of COPD related breath VOCs in models created by linear discriminant analysis,  American Journal of Respiratory and Critical Care Medicine, vol. 193, American Thoracic Society - ATS '16, A3498, San Francisco, USA, May 2016

O. Holz, K. Heusser, A. Gaida, M. Allers, S. Zimmermann, M. Müller, S. Schuchardt, C. Schindler, J. Tank, J. Jordan and J.M. Hohlfeld (2016): Inflammatory response to the exposure with ultra-fine particles and ozone,  Int. Congress European Respiratory Society - ERS '16, London, UK, September 2016

O. Holz, M. Allers, A. Gaida, S. Schuchardt, J.M. Hohlfeld and S. Zimmermann (2016): Comparison of COPD related breath VOCs assessed by a compact high-resolution closed-loop GC-IMS and by standard GC-MS,  American Journal of Respiratory and Critical Care Medicine, vol. 193, American Thoracic Society - ATS '16, A1434, San Francisco, USA, May 2016

T. Reinecke, A.T. Kirk, D. Niebuhr, S, Böttger and S. Zimmermann (2016): High-resolution ion mobility spectrometer with x-ray ionization source,  6th IMS Users’ Meeting, pp. 60-61, Hanover, Germany, March 2016

T. Reinecke, P. Biechele, M. Frickhöffer, T. Scheper and S. Zimmermann (2016): Non-invasive online monitoring of cell growth in disposable bioreactors with a planar coil,  Eurosensors XXX, Procedia Engineering, vol. 168, pp. 582-585, Budapest, Hungary, September 2016

T. Reinecke, S. Ahrens and S. Zimmermann (2016): Biosensor platform based on split-ring resonators,  Messtechnisches Symposium des Arbeitskreises der Hochschullehrer für Messtechnik - AHMT '16, pp. 37-44, Hanover, Germany, September 2016

A. Bohnhorst, A.T. Kirk, M. Allers and S. Zimmermann (2015): A low cost ion mobility spectrometer manufactured from printed circuit boards,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '15, Córdoba, Spain, July 2015

A. Gaida, O. Holz, S. Schuchardt, C. Nell, U. Boas, J. Langejuergen, S. Zimmermann, A.R. Koczulla and J.M. Hohlfeld (2015): Comparison of breath volatile organic compounds collected from healthy controls, healthy smokers, smokers with COPD, and ex-smokers with COPD at two German Centers for Lung Research (DZL),  American Journal of Respiratory and Critical Care Medicine, vol. 191, American Thoracic Society - ATS '15, A2727, Denver, USA, May 2015

A. Heptner, N. Angerstein and S. Zimmermann (2015): Fast ion-selective ppb-level gas sensor based on pulsed atmospheric pressure chemical ionization and ion-ion recombination,  SENSOR '15, pp. 698-703, Nuremberg, Germany, May 2015

A. Heptner, N. Angerstein and S. Zimmermann (2015): Investigation of ion generation kinetics in the ionization region of a drift tube ion mobility spectrometer using a non-radioactive pulsable electron gun,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '15, Córdoba, Spain, July 2015

A.T. Kirk, J. Langejuergen, M. Allers, J. Oermann and S. Zimmermann (2015): Sensitive detection of benzene in the presence of interferents by high kinetic energy ion mobility spectrometry,  SENSOR '15, pp. 693-697, Nuremberg, Germany, May 2015

A.T. Kirk, J. Langejuergen, M. Allers, J. Oermann and S. Zimmermann (2015): Simultaneous detection of benzene, toluene and xylene and further advances in High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS),  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '15, Córdoba, Spain, July 2015

A.T. Kirk, T. Last, J. Langejuergen and S. Zimmermann (2015): Sensitive detector for gas chromatography based on dielectric barrier discharge ionization,  12. Sensor-Symposium Dresden, pp. 26-30, Dresden, Germany, December 2015

D. Ziaian, P. Rostalski, Andreas Hengstenberg and Stefan Zimmermann (2015): Reducing system response time and noise of electrochemical gas sensors - Discussed for propofol monitoring in breathing gas,  International Conference on Sensor Device Technologies and Applications - SENSORDEVICES '15, pp. 85-90, Venice, Italy, August 2015

E. Bunert, M. Berger, P. Cochems and S. Zimmermann (2015): Application of a small, fast pulsable, non-radioactive electron source in ion mobility spectrometry,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '15, Córdoba, Spain, July 2015

E.G. Nazarov, J. Langejuergen, A.T. Kirk, M. Allers, J. Oermann and S. Zimmermann (2015): Comparison of alpha parameters obtained from DMS and HiKE-IMS: Fundamental considerations and experiments,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '15, Córdoba, Spain, July 2015

L. Hagemeier, S. Günther, T. Reinecke, S. Zimmermann and M Klintschar (2015): Postmortem quantification of edema in parenchymal organs by thermogravimetric and high-frequency measurements,  Deutsche Gesellschaft für Rechtsmedizin - DGRM '15, pp. 44, Cologne, Germany, May 2015

M. Allers, A. Bohnhorst, A.T. Kirk, B. Ungethuem, A. Walte and S. Zimmermann (2015): Transient simulation of moving ion clouds in a drift tube ion mobility spectrometer with superimposed AC fields,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '15, Córdoba, Spain, July 2015

M. Allers, J. Langejuergen, A. Gaida, O. Holz, S. Schuchardt, J.M. Hohlfeld and S. Zimmermann (2015): Measurement of exhaled volatile organic compounds from patients with chronic obstructive pulmonary disease (COPD) using a closed-loop GC-IMS,  International Association of Breath Research IABR - Summit '15, Vienna, Austria, September 2015

T. Reinecke, A.T. Kirk, A. Ahrens, C. Raddatz and S. Zimmermann (2015): A compact high resolution electro spray ionization ion mobility spectrometer,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '15, Córdoba, Spain, July 2015

T. Reinecke, L. Hagemeier, S. Ahrens, S. Gitte, M. Klintschar and S. Zimmermann (2015): A coplanar probe design for humidity spot measurements of human brain tissue,  SENSOR '15, pp. 693-697, Nuremberg, Germany, May 2015

T. Reinecke, P. Biechele, V. Schulte, T. Scheper and S. Zimmermann (2015): Low-cost Sensor System for Non-Invasive Monitoring of Cell Growth in Disposable Bioreactors,  Eurosensors XXIX, Procedia Engineering, vol. 120, pp. 548-551, Freiburg, Germany, September 2015

T. Reinecke, S. Ahrens and S. Zimmermann (2015): Easy calibration of coplanar probes for measuring complex permittivity,  12. Sensor-Symposium Dresden, pp. 302-306, Dresden, Germany, December 2015

A. Gaida, O. Holz, S. Schuchardt, J. Langejuergen, S. Zimmermann, K. Heusser, J. Jordan, J. Tank, C. Schindler and J.M. Hohlfeld (2014): Analysis of volatile organic compounds in exhaled breath of healthy volunteers exposed to ozone and ultrafine particles,  Breath Analysis '14, pp. 82-83, Torun, Poland, July 2014

A. Heptner and S. Zimmermann (2014): Trace gas detection by ion mobility spectrometry – Identification of unknown peaks in the spectrum,  Messtechnisches Symposium des Arbeitskreises der Hochschullehrer für Messtechnik - AHMT '14, pp. 85-93, Saarbrücken, Germany, September 2014

A. Heptner, E. Bunert, P. Cochems and S. Zimmermann (2014): A non-radioactive electron source and its application in ion mobility spectrometry,  5th IMS Users’ Meeting, Essen, Germany, March 2014

A. Heptner, P. Cochems and S. Zimmermann (2014): Identification of unknown peaks in ion mobility spectra using an IMS-ToF-MS-tandem demonstrated for BTX,  5th IMS Users’ Meeting, Essen, Germany, March 2014

A. Kirk, D. Grube and S. Zimmermann (2014): A comparative study between stacked ring and resistive glass drift tubes for high resolution IMS,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '14, Asheville, USA, July 2014

A. Kirk, J. Langejuergen, M. Allers, J. Oermann and S. Zimmermann (2014): Direct sample ionization and separation using a High Kinetic Energy Ion Mobility Spectrometer (HiKE-IMS),  International Mass Spectrometry Conference - IMSC '14, p. 428, Geneva, Switzerland, August 2014

A. Kirk, P. Cochems and S. Zimmermann (2014): Pushing a compact high resolution drift tube IMS towards sub-ppt detection limits,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '14, Asheville, USA, July 2014

A.E. Berggreen, D. Ziaian, A. Hengstenberg, L. Duembgen, S. Zimmermann, H. Gehring and M. Großherr (2014): Propofol in exhaled breath during clinical relevant steady states in comparison to TCI and propofol in plasma,  Jahrestagung der Deutschen Gesellschaft für Anästhesiologie und Intensivmedizin, Deutscher Anästhesiecongress - DAC '14, PO-1.3.5, in Anästhesiologie & Intensivmedizin, vol. 55, p. 172, Leipzig, Germany, May 2014

A.E. Berggreen, D. Ziaian, A. Hengstenberg, L. Duembgen, S. Zimmermann, H. Gehring and M. Grossherr (2014): Propofol in exhaled alveolar gas and in plasma during clinical relevant steady states in comparison to the BIS,  American Society of Anesthesiologists (Anesthesiology Annual Meeting) - ASA '14, A1250, New Orleans, USA, October 2014

A.E. Berggreen, D. Ziaian, A. Hengstenberg, S. Brandt, S. Zimmermann, M. Grossherr and H. Gehring (2014): Propofol in exhaled alveolar gas and in plasma compared with the bispectral index during recovery from anesthesia,  American Society of Anesthesiologists (Anesthesiology Annual Meeting) - ASA '14, A1249, New Orleans, USA, October 2014

D. Ziaian, R. Herrmann, K. Kleiboemer, A. Hengstenberg, M. Grossherr, S. Brandt, H. Gehring, S. Zimmermann and A.E. Berggreen (2014): Pharmacokinetic modeling of the transition of propofol from blood plasma to breathing gas,  IEEE International Symposium on Medical Measurement and Applications - MeMeA '14, pp. 80-84, Lisbon, Portugal, June 2014

H. Gehring, D. Ziaian, A. Hengstenberg, L. Duembgen, S. Zimmermann, M. Grossherr and A.E. Berggreen (2014): Breath gas propofol concentration measurement - the next generation for anesthesia monitoring,  American Society of Anesthesiologists (Anesthesiology Annual Meeting) - ASA '14, A5016, New Orleans, USA, October 2014

J. Langejuergen, A. Gaida, O. Holz, S. Schuchardt, J.M. Hohlfeld and S. Zimmermann (2014): Ultra-sensitive atmospheric pressure chemical ionization mass spectrometry for breath analysis,  Breath Analysis '14, p. 116, Torun, Poland, July 2014

J. Langejuergen, C.-R. Raddatz and S. Zimmermann (2014): Pulsed optically induced chemical gas phase ionization at low pressure using an UV-LED,  Conf. American Society for Mass Spectrometry - ASMS '14, Baltimore, USA, June 2014

J. Langejuergen, M. Allers, J. Oermann, A. Kirk and S. Zimmermann (2014): High Kinetic Energy Ion Mobility Spectrometry (HiKE-IMS) - Quantitative detection in IMS with direct sample inlets,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '14, Asheville, USA, July 2014

O. Holz, A. Gaida, S. Sven, J. Langejuergen, S. Zimmermann and J.M. Hohlfeld (2014): The effect of flow rate on the level of volatile organic compounds (VOC) in exhaled breath,  American Journal of Respiratory and Critical Care Medicine, vol. 189, American Thoracic Society - ATS '14, A4254, San Diego, USA, May 2014

T. Reinecke, L. Hagemeier, H. Spehlbrink, S. Guenther, M. Klintschar and S. Zimmermann (2014): Permittivity measurements with open-ended coaxial and coplanar probes for fast quantification of edema in brain tissue,  Messtechnisches Symposium des Arbeitskreises der Hochschullehrer für Messtechnik - AHMT '14, pp. 129-137, Saarbrücken, Germany, September 2014

T. Reinecke, L. Hagemeier, S. Ahrens, M. Klintschar and S. Zimmermann (2014): Permittivity measurements for the quantification of edema in human brain tissue – Open-ended coaxial and coplanar probes for fast tissue scanning,  IEEE Sensors '14, pp. 681-683, Valencia, Spain, November 2014

A. Heptner, F. Gunzer and S. Zimmermann (2013): New insights in ion-ion-recombination using a non-radioactive electron source for pulsed ionization,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '13, Boppard, Germany, July 2013

A. Heptner, J. Langejuergen, P. Cochems and S. Zimmermann (2013): Gated IMS-ToF-MS for peak identification in IMS demonstrated for BTX,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '13, Boppard, Germany, July 2013

A. Kirk, M. Allers, P. Cochems, J. Langejuergen and S. Zimmermann (2013): Application of high resolution ion mobility spectrometers for fast trace gas analysis,  11. Sensor-Symposium Dresden, pp. 127-132, Dresden, Germany, December 2013

A. Kirk, M. Allers, P. Cochems, J. Langejuergen and S. Zimmermann (2013): Compact 10 cm long atmospheric pressure drift tube IMS with high resolution of R > 180 and ppt detection limits,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '13, Boppard, Germany, July 2013

D. Ziaian, L. Duembgen, K. Kleiboemer, A.E. Berggreen, M. Grossherr, H. Gehring, S. Zimmermann and A. Hengstenberg (2013): Trend detection in time-series data of propofol concentration in breath,  Society for Technology in Anesthesia - STA '13, pp. 77-78, Phoenix, USA, January 2013

D. Ziaian, S. Zimmermann, L. Duembgen, A.E. Berggreen, M. Grossherr, H. Gehring and A. Hengstenberg (2013): An analysis of variance type method to describe and compare steady states in clinical data,  IEEE E-Health and Bioengineering - EHB '13, pp. 1-4, November 2013

J. Langejuergen and S. Zimmermann (2013): Ultra-low detection limits for trace gas analysis using a tunable non-radioactive electron emitter in APCI-MS,  Conf. American Society for Mass Spectrometry - ASMS '13, Minneapolis, USA, June 2013

J. Langejuergen, C.R. Raddatz and S. Zimmermann (2013): Simulation of a novel two-dimensional mass separation method based on CCD imaging of spiral ion patterns,  Conf. American Society for Mass Spectrometry - ASMS '13, Minneapolis, USA, June 2013

J. Langejuergen, J. Ringer and S. Zimmermann (2013): Chemical gas phase ionization using a pulsed non-radioactive electron source,  Jahrestagung der Deutschen Gesellschaft für Massenspektrometrie - DGMS '13, p. 183, Berlin, Germany, March 2013

J. Langejuergen, M. Allers and S. Zimmermann (2013): Towards ultra-high resolution: Transient 3D-simulations of moving ion clouds in drift tube IMS,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '13, Boppard, Germany, July 2013

J. Langejuergen, M. Buering, C. Wagner, S. Beutel, T. Scheper and S. Zimmermann (2013): Non-invasive monitoring of bioreactors using atmospheric pressure chemical ionization mass spectrometry,  11. Sensor-Symposium Dresden, pp. 399-402, Dresden, Germany, December 2013
DOI: DOI 10.5162/11dss2013/J2

L. Hagemeier, T. Reinecke, V. Schulte, S. Zimmermann and M. Klintschar (2013): Postmortem quantification of brain edema by measuring the humidity of brain tissue,  Deutsche Gesellschaft für Rechtsmedizin - DGRM '13, pp. 34, Hannover, Germany, May 2013

P. Cochems, D. Mazarin and S. Zimmermann (2013): A miniaturized non-radioactive electron emitter including a vacuum pressure gauge based on electric retarding field ion currents,  IEEE Sensors '13, pp. 375-378, Baltimore, USA, November 2013

P. Cochems, E. Bunert and S. Zimmermann (2013): Miniaturized non-radioactive electron source for soft atmospheric pressure ionization,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '13, Boppard, Germany, July 2013

P. Cochems, M. Bellmann and S. Zimmermann (2013): A miniaturized non-radioactive electron emitter including high vacuum pressure monitoring,  11. Sensor-Symposium Dresden, pp. 405-408, Dresden, Germany, December 2013

P. Cochems, M. Runge and S. Zimmermann (2013): A miniaturized non-radioactive electron emitter for chemical atmospheric pressure ionization,  Transducers '13 and Eurosensors XXVII, pp. 1131-1134, Barcelona, Spain, June 2013

P. Cochems, W. Wissdorf, Y. Brachthaeuser, C. Polaczek, T. Benter and S. Zimmermann (2013): Reduced ion mobilities: A need for parameterization of chemical analyte properties?,  Conf. American Society for Mass Spectrometry - ASMS '13, Minneapolis, USA, June 2013

T. Reinecke, L. Hagemeier, V. Schulte, H. Spehlbrink, M. Klintschar and S. Zimmermann (2013): Postmortem quantification of brain edema by determination of electromagnetic tissue parameters,  11. Sensor-Symposium Dresden, pp. 169-173, Dresden, Germany, December 2013

T. Reinecke, L. Hagemeier, V. Schulte, M. Klintschar and S. Zimmermann (2013): Quantification of edema in human brain tissue by determination of electromagnetic parameters,  IEEE Sensors '13, pp. 1390-1393, Baltimore, USA, November 2013

W. Wissdorf, Y. Brachthaeuser, C. Polaczek, P. Cochems, S. Zimmermann and T. Benter (2013): Field driven chemical effects in API: Numerical modeling of the ion temperature at atmospheric and intermediate pressure with SIMION-RS,  Conf. American Society for Mass Spectrometry - ASMS '13, Minneapolis, USA, June 2013

A. Heptner, P. Cochems and S. Zimmermann (2012): Selective ion suppression in the ionization region of ion mobility spectrometers by ion specific ion generation and recombination kinetics,  4th IMS Users’ Meeting, Berlin, Germany, April 2012

J. Langejuergen and S. Zimmermann (2012): Transient simulation of moving ion clouds in drift tube ion mobility spectrometers,  4th IMS Users’ Meeting, Berlin, Germany, April 2012

J. Langejuergen, T. Hopmeier, S. Meinen, E. Carstens, G. Theilmeier, W. Koppert and S. Zimmermann (2012): Analysis of exhaled breath during surgery,  Int. Meeting on Chemical Sensors - IMCS '12, pp. 588-591, Nuremberg, Germany, May 2012
DOI: 10.5162/IMCS2012/7.1.5

P. Cochems and S. Zimmermann (2012): Miniaturized non-radioactive electron source for ion mobility spectrometers,  4th IMS Users’ Meeting, Berlin, Germany, April 2012

J. Langejuergen, P. Cochems and S. Zimmermann (2011): Online trace gas detection - pushing a Bruker micrOTOF II towards ppq-detection limits using simple atmospheric pressure ionization sources,  Messtechnisches Symposium des Arbeitskreises der Hochschullehrer für Messtechnik - AHMT '14, pp. 199-210, Karlsruhe, Germany, September 2011

J. Langejuergen, P. Cochems and S. Zimmermann (2011): A simple atmospheric pressure ionization source coupled to a time-of-flight mass spectrometer for breath analysis,  10. Sensor-Symposium Dresden, pp. 87-90, Dresden, Germany, December 2011

J. Langejuergen, P. Cochems, M. Allers and S. Zimmermann (2011): Using COMSOL to build a transient model of a drift tube ion mobility spectrometer with improved performance,  COMSOL Conference, Stuttgart, Germany, October 2011

J. Langejuergen, P. Cochems, U. Guenay, M. Allers and S. Zimmermann (2011): Transient FEM-simulation of a drift tube ion mobility spectrometer considering coulomb repulsion, diffusion, field inhomogeneities and wall losses,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '11, Edinburgh, Scotland, July 2011

P. Cochems, J. Langejuergen, A. Heptner and S. Zimmermann (2011): A non-radioactive electron emitter based on field emission from carbon nano tubes for atmospheric pressure ionization,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '11, Edinburgh, Scotland, July 2011

S. Zimmermann, P. Cochems, J. Langejuergen, F. Gunzer and W. Baether (2011): Selective ion suppression as a novel pre-separation method in ion mobility spectrometry using a pulsed electron gun for ionization,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '11, Edinburgh, Scotland, July 2011

W. Baether, S. Zimmermann and F. Gunzer (2011): Application of an ion mobility spectrometer with pulsed ionization source in the detection of Dimethyl Methylphosphonate and Toluene Diisocyanate,  SPIE Defense, Security + Sensing, vol. 8032, pp. 80320K1-10, Orlando, USA, April 2011

S. Barth and S. Zimmermann (2008): Modeling ion motion in a miniaturized ion mobility spectrometer,  COMSOL Conference, Hannover, Germany, November 2008

S. Barth, W. Baether and S. Zimmermann (2008): Numerical model of ion transport mechanisms in a miniaturized ion mobility spectrometer,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '08, Ottawa, Canada, July 2008

S. Barth, W. Baether and S. Zimmermann (2008): Model-based resolution enhancement of a miniaturized ion mobility spectrometer,  IEEE Sensors '08, pp. 180-183, Lecce, Italy, October 2008

S. Zimmermann, S. Barth and W. Baether (2008): Concept of an easy-to-manufacture, miniaturized ion mobility spectrometer,  2nd IMS Users’ Meeting, Leipzig, Germany, May 2008

S. Zimmermann, S. Barth and W. Baether (2008): A miniaturized low-cost ion mobility spectrometer for fast detection of trace gases in air,  IEEE Sensors '08, pp. 740-743, Lecce, Italy, October 2008

S. Zimmermann, S. Barth, W. Baether and J. Ringer (2008): A miniaturized low-cost ion mobility spectrometer for fast trace gas detection,  3rd Conference on Safety and Security Systems in Europe, Potsdam, Germany, June 2008

W. Baether and S. Zimmermann (2008): Chemical composition of ion clusters inside the reaction region of a Dräger-IMS 5xxx,  2nd IMS Users’ Meeting, Leipzig, Germany, May 2008

S. Barth, W. Baether and S. Zimmermann (2007): Concept of a miniaturized ion mobility spectrometer and a numerical model for fast system design and optimization,  IEEE Sensors '07, pp. 79-82, Atlanta, USA, October 2007

S. Zimmermann and S. Barth (2007): A miniaturized ion mobility spectrometer for detection of hazardous compounds in air,  Transducers '07 and Eurosensors XXI, pp. 1501-1504, Lyon, France, June 2007

W. Baether, S. Barth and S. Zimmermann (2007): Formation of ion clusters in time-of-life ion mobility spectrometers,  Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '07, Mikkeli, Finland, July 2007

S. Zimmermann, J.A. Frank, D. Liepmann and A.P. Pisano (2004): A planar micropump utilizing thermopneumatic actuation and in-plane flap valves,  IEEE Int. Conf. on Micro Electro Mechanical Systems - MEMS '04, pp. 462-465, Maastricht, The Netherlands, January 2004

S. Zimmermann and B. Stoeber (2003): Diabetes under control: A microneedle-based continuous glucose monitor,  VERTEX-BASES Innovators' Challenge '03, pp. 34-35, Stanford, USA, April 2003

S. Zimmermann, B. Stoeber, D. Fienbork and D. Liepmann (2003): Diabetes under control: A microneedle-based continuous glucose monitor,  Biomedical Engineering Society Annual Meeting - BMES '03, Nashville, USA, October 2003

S. Zimmermann, D. Fienbork, B. Stoeber, A.W. Flounders and D. Liepmann (2003): A microneedle-based glucose monitor: Fabricated on a wafer-level using in-device enzyme immobilization,  Transducers '03, vol. 1, pp. 99-102, Boston, USA, June 2003

S. Zimmermann, D. Fienbork, M. Wasilik, A.W. Flounders and D. Liepmann (2002): A novel in-device enzyme immobilization method for BioMEMS, demonstrated for a continuous glucose monitor,  Int. Conf. on Miniaturized Systems for Chemistry and Life Sciences - microTAS '02, vol. 1, pp. 449-451, Nara, Japan, November 2002

S. Zimmermann, P. Krippner, A. Vogel and J. Mueller (2001): Miniaturized flame ionization detector for gas chromatography,  Transducers '01 and Eurosensors XV, 2D2.03, Munich, Germany, June 2001

S. Zimmermann, S. Wischhusen and J. Mueller (2000): A µTAS - Atomic Emission Flame Spectrometer (AES),  Int. Conf. on Miniaturized Systems for Chemistry and Life Sciences - microTAS '00, pp. 135-138, Enschede, The Netherlands, May 2000

S. Zimmermann, B. Riepenhusen and J. Mueller (1999): Micromachined flame analyzer: Flame Ionization Detector (FID) and Atomic Emission Flame Spectrometer (AES),  Sensor '99, vol. 1, pp. 409-413, Nuremberg, Germany, May 1999

S. Zimmermann, B. Riepenhusen and J. Mueller (1999): Micromachined atomic emission flame spectrometer and flame ionization detector,  European society for precision engineering & nanotechnology - Euspen '99, vol. 1, pp. 502-505, Bremen, Germany, May 1999

S. Zimmermann, S. Wischhusen and J. Mueller (1999): Micromachined flame ionization detector and flame spectrometer,  SPIE Micromachined Devices and Components V, vol. 3876, pp. 238-245, Santa Clara, USA, September 1999

S. Zimmermann, B. Riepenhusen and J. Mueller (1998): Micromachined flame analyzers: Atomic Emission Flame Spectrometer (AES) and flame ionization detector,  Int. Conf. on Miniaturized Systems for Chemistry and Life Sciences - microTAS '98, pp. 473-476, Banff, Canada, October 1998

E. Bunert (2021): Nicht-radioaktiver Elektronenstrahler als Ionisationsquelle für Elektroneneinfangdetektoren und die Ionenmobilitätsspektrometrie
DOI: 10.2370/9783844082760
ISBN: 978-3-8440-8276-0

A. Heptner (2017): Entwicklung eines Sensorprinzips zur schnellen Detektion von Spurengasen in Luft auf Basis zeitgesteuerter chemischer Atmosphärendruckionisation und Ion-Ion-Rekombination,  Berichte aus der Sensorik und Messtechnik – Band 3, Shaker, 2017
ISBN: 978-3-8440-5508-5

T. Reinecke (2017): Entwicklung applikationsspezifischer elektromagnetischer Sensorik für Anwendungen in der Bio- und Medizintechnik,  Berichte aus der Sensorik und Messtechnik – Band 2, 2017
ISBN: 978-3-8440-5400-2

J. Langejuergen (2015): Entwicklung und Realisierung kompakter Messsysteme zur quantitativen Detektion von organischen Spurengasen in Luft,  Berichte aus der Sensorik und Messtechnik – Band 1, 2015
ISBN: 978-3-8440-3823-1

S. Zimmermann (2001): Development of a miniaturized flame ionization detector and a miniaturized flame spectrometer,  Micromechanics Reports, ISBN 3 8265 8615 8, Shaker Verlag, April 2001

S. Zimmermann (Herausgeber) (2016): XXX. Messtechnisches Symposium,  Tagungsband, Arbeitskreis der Hochschullehrer für Messtechnik, Hannover, Walter de Gruyter GmbH, Berlin, Boston, September 2016
ISBN: 978-3-11-049487-7