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Rapid separation and characterization of cocaine and cocaine cutting agents by differential mobility spectrometry-mass spectrometry.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Hall, Adam B. Coy, Stephen L. Nazarov, Erkinjon G. Vouros, Paul
Description	Country affiliation: United States Author Affiliation: Hall AB ( Boston University School of Medicine, Biomedical Forensic Sciences, 72 East Concord Street, L-1004, Boston, MA 02118, USA. adamhall@bu.edu)
Abstract	Forensic drug laboratories are inundated with cases requiring time-consuming GC- or LC-based chromatographic separations of submitted samples. High-throughput analytical methods would be of great practical utility within forensic drug analysis. Recently developed ion-mobility-based separation methods combined with mass spectrometry can often be used without chromatography, suppress chemical interferents of similar mass, and operate in seconds. We have evaluated differential mobility spectrometry-mass spectrometry (DMS-MS) for performance on adulterated cocaine mixtures. The DMS interface is only a few centimeters in length, operates in seconds, and can be adapted to any MS system using atmospheric pressure ionization. Drug cutting agents, typical targets such as cocaine, and drug metabolites are rapidly separated by the DMS ion prefilter. Tests demonstrated characterization of complex mixtures, such as isolation of levamisole, an adulterant with alarming side effects, from a 13-component mixture. DMS-MS holds great potential for the analysis of drug samples submitted for forensic analysis.
File Format	HTM / HTML
ISSN	00221198
Issue Number	3
Journal	Journal of Forensic Sciences
Volume Number	57
e-ISSN	15564029
Language	English
Publisher	Wiley-Blackwell
Publisher Date	2012-05-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Forensic Sciences
Content Type	Text
Resource Type	Article
Subject	Genetics Pathology and Forensic Medicine

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