Precise determination of nonlinear function of ion mobility for explosives and drugs at high electric fields for microchip FAIMS

High‐field asymmetric waveform ion mobility spectrometry (FAIMS) separates ions by utilizing the characteristics of nonlinear ion mobility at high and low electric fields. Accurate ion discrimination depends on the precise solution of nonlinear relationships and is essential for accurate identificat...

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Veröffentlicht in:	Journal of mass spectrometry. 2015-01, Vol.50 (1), p.198-205
Hauptverfasser:	Guo, Dapeng, Wang, Yonghuan, Li, Lingfeng, Wang, Xiaozhi, Luo, Jikui
Format:	Artikel
Sprache:	eng
Schlagworte:	Approximation Azocines - analysis Cocaine - analysis Electric fields Electricity Equipment Design Explosive Agents - analysis Explosive Agents - chemistry explosives and drugs FAIMS spectrum HMX Ion mobility ion mobility nonlinear function Ionic mobility Ions - chemistry Mass Spectrometry - instrumentation Mass Spectrometry - methods Mathematical analysis Mathematical models micro FAIMS Microarray Analysis - instrumentation Morphine - analysis Nonlinear Dynamics Nonlinearity Triazines - analysis Trinitrotoluene - analysis
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Beschreibung
Zusammenfassung:	High‐field asymmetric waveform ion mobility spectrometry (FAIMS) separates ions by utilizing the characteristics of nonlinear ion mobility at high and low electric fields. Accurate ion discrimination depends on the precise solution of nonlinear relationships and is essential for accurate identification of ion species for applications. So far, all the nonlinear relationships of ion mobility obtained are based at low electric fields (E/N
ISSN:	1076-5174 1096-9888
DOI:	10.1002/jms.3518