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Issue 11, 2008
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Fabric analysis by ambient mass spectrometry for explosives and drugs

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Abstract

Desorption electrospray ionization (DESI) is applied to the rapid, in-situ, direct qualitative and quantitative analysis of mixtures of explosives and drugs from a variety of fabrics, including cotton, silk, denim, polyester, rayon, spandex, leather and their blends. The compounds analyzed were explosives: trinitrohexahydro-1,3,5-triazine (RDX), octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX), 2,4,6-trinitrotoluene (TNT), pentaerythritol tetranitrate (PETN) and the drugs of abuse: heroin, cocaine, and methamphetamine. Limits of detection are in the picogram range. DESI analyses were performed without sample preparation and carried out in the presence of common interfering chemical matrices, such as insect repellant, urine, and topical lotions. Spatial and depth profiling was investigated to examine the depth of penetration and lateral resolution. DESI was also used to examine cotton transfer swabs used for travel security sample collection in the screening process. High throughput quantitative analysis of fabric surfaces for targeted analytes is also reported.

Graphical abstract: Fabric analysis by ambient mass spectrometry for explosives and drugs

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Publication details

The article was received on 12 May 2008, accepted on 26 Jun 2008 and first published on 08 Aug 2008


Article type: Paper
DOI: 10.1039/B807934J
Citation: Analyst, 2008,133, 1532-1540
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    Fabric analysis by ambient mass spectrometry for explosives and drugs

    N. Talaty, C. C. Mulligan, D. R. Justes, A. U. Jackson, R. J. Noll and R. G. Cooks, Analyst, 2008, 133, 1532
    DOI: 10.1039/B807934J

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