Detection of explosives on skin using ambient ionization mass spectrometry

Dina R. Justes; Nari Talaty; Ismael Cotte-Rodriguez; R. Graham Cooks

doi:10.1039/B703655H

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Chemical Communications

Issue 21, 2007

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Detection of explosives on skin using ambient ionization mass spectrometry

Dina R. Justes , Nari Talaty , Ismael Cotte-Rodriguez and R. Graham Cooks

Chem. Commun., 2007, 2142-2144

DOI: 10.1039/B703655H
Received 12 Mar 2007, Accepted 10 Apr 2007
First published on the web 27 Apr 2007

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Abstract
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Single nanogram amounts of the explosives TNT, RDX, HMX, PETN and their mixtures were detected and identified in a few seconds on the surface of human skin without any sample preparation by desorption electrospray ionization (DESI) using a spray solution of methanol–water doped with sodium chloride to form the chloride adducts with RDX, HMX, and PETN while TNT was examined as the radical anion and tandem mass spectrometry was used to confirm the identifications.

Abstract from Mass Spectrometry Bulletin 2007

Biochemical, Electrospray technique, Man, Multiply charged ions, Explosives.

Supplementary Info

Photograph of DESI on human skin; mass spectrum of blank human skin
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Chemical Communications

Detection of explosives on skin using ambient ionization mass spectrometry

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