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Logo: GEM/Leibniz Universität Hannover
Logo Leibniz Universität Hannover
Logo: GEM/Leibniz Universität Hannover
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Publikationen von Prof. Dr.-Ing. Stefan Zimmermann

Dissertationen

2001

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

Journale

2018

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

2017

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. 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

2016

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

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

2015

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): 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

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

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

2014

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): 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

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

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

2013

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

2012

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): Pulsed electron beams in ion mobility spectrometry: A Review, Reviews in Analytical Chemistry, vol. 31, no. 3-4, pp. 139-152, 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 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): Quantitative information in decay curves obtained with a pulsed ion mobility spectrometer, Analyst, vol. 137, no. 11, pp. 2723-2727, 2012

2011

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

2010

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

2009

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

2008

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

2007

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

2004

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

2002

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

2000

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

Konferenzen

2018

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): Ultra-high resolution ion mobility spectrometry for separation of isotopologues, European Mass Spectrometry Conference - EMSC '18, p. 226, Saarbrücken, 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

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, Conf. Int. Society of Ion Mobility Spectrometry - ISIMS '18, p. 27, Calgary, Canada, July 2018

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. 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. 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 Ultra-High Resolution UV Ion Mobility Spectrometry, 27. Doktorandenseminar Hohenroda, p. 21, Hohenroda, Germany, January 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

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, 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

2016

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

2015

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): 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. 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.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, 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, 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

2014

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

2013

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): 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

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

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, Deutsche 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

2012

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

2011

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

2008

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): Model-based resolution enhancement of a miniaturized ion mobility spectrometer, IEEE Sensors '08, pp. 180-183, Lecce, Italy, October 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. 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 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, 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

2007

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

2004

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

2003

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

2002

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

2001

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

2000

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

1999

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

1998

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

Bücher und Buchbeiträge

2016

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