Leibniz Universität Hannover Fakultät Fakultät für Elektrotechnik und Informatik
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Institut für Grundlagen der Elektrotechnik und Messtechnik
 
InstitutPersonenverzeichnisAlexander Bohnhorst, M. Sc.
Publikationsliste

Publikationen

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Journale

  • C. Wendt, A. Bohnhorst, S. Zimmermann and A.T. Kirk (2022): Ultra-low noise current meter for measuring quickly changing currents from attoampere to nanoampere,  tm – Technisches Messen, vol. 89, no. 12, pp. 847-858, 2022
    DOI: 10.1515/teme-2022-0049
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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

Konferenzen

  • 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
  • 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
  • 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. 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
  • 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. 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
  • 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)
  • 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. 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)
  • 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)
  • 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)
  • 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)
  • 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
  • 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
  • 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. 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
  • 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
  • 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. 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.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
  • 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
  • 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. 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
  • 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

Letzte Änderung: 24.02.23 Druckversion

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