Fast detection of toxic industrial compounds by laser ion mobility spectrometry

Oberhuettinger, C.; Langmeier, A.; Oberpriller, Helmut; Kessler, M.; Goebel, J.; Mueller, Gerhard O. W.

doi:10.1117/12.820855

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2016

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“…The choice of materials was also due to the possibility of their registration and subsequent identification as a positive or in a negative mode at the same time [12,[14][15][16][17]. During the test analytes (in liquid phase) were deposited on the surface of tissues made of aluminum foil using microsyringe.…”

Section: Resultsmentioning

confidence: 99%

Ion Mobility Spectrometer for Rapid Simultaneous Detection of Positive and Negative Ions

Vasilyev

Першенков

Belyakov

et al. 2016

3rd International Conference on Nanotechnologies and Biomedical Engineering

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Abstract-Ion Mobility Spectrometry (IMS) is a common technology used for rapid detection of trace amounts of explosives (mostly forming negative ions) and drugs (forming positive ions). Emergency chemically hazardous substances widely used in modern industry. Some emergency chemically hazardous substances form positive ions, others form negative ions. Therefore, for the detection of different substances in real time is required to apply the structure of two IMS-detectors. The article describes a device for the simultaneous detection of ions of both polarities with the ionization source based on a pulsed corona discharge. Authors investigated the advantages and disadvantages of such construction compared to unipolar cell in terms of sensitivity. Experimental results have demonstrated.

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Section: Resultsmentioning

confidence: 99%