Real-time detection of chemical warfare agent simulants in forensic samples using active capillary plasma ionization with benchtop and field-deployable mass spectrometers

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Author(s) Dumlao, Morphy, Sinues, Pablo Martinez-Lozano, Nudnova, Maryia, Zenobi, Renato
Publication Type Journal Items, Publication Status: Published
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Title Real-time detection of chemical warfare agent simulants in forensic samples using active capillary plasma ionization with benchtop and field-deployable mass spectrometers
Author(s) Dumlao, Morphy
Sinues, Pablo Martinez-Lozano
Nudnova, Maryia
Zenobi, Renato
Journal or Series Title Analytical methods : advancing methods and applications
Volume Number 6
Issue Number 11
Start Page 3604
End Page 3609
ISSN 1759-9660
1759-9679
Publisher Royal Society of Chemistry
Publication Place Cambridge, UK
Publication Date 2014-06-07
Abstract A novel analytical technique to detect chemical warfare agent (CWA) simulants in forensic samples is presented. Three G-agent type simulants that closely mimic real CWAs, namely dimethyl methylphosphonate (DMMP), diethyl ethylphosphonate (DEEP), and diethyl phosphoramidate (DEPA), and in addition a hydrolysis product, pinacolyl methylphosphonate (PMP), were utilized. Dilute solutions spotted onto six different forensic matrices were used to evaluate the capability of an active capillary plasma ionization source, which could be attached to the inlets of either a conventional benchtop ion trap mass spectrometer or a miniaturized ion trap mass spectrometer, under ambient conditions. The sample solutions and matrix surfaces were exposed for about 10–20 seconds at a distance of 1 cm from the plasma ion source inlet. This real-time methodology was found to have a shorter analysis time than previously reported techniques. A full method validation, quantitative studies, and optimization for detection of real CWAs on forensic matrices should be done in the future.
DOI 10.1039/c4ay00303a
Additional Notes Received 5th February 2014, Accepted 25th March 2014, First published online 26 Mar 2014
Document Type Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03430
Organisational Unit(s)
NEBIS System Number 005863296
Source Database ID SCOPUS-84900868927
WOS-000336820300011
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@article{Dml2014,
  author = "Dumlao, Morphy and Sinues, Pablo Martinez-Lozano and Nudnova, Maryia and Zenobi, Renato",
  title = "{R}eal-time detection of chemical warfare agent simulants in forensic samples using active capillary plasma ionization with benchtop and field-deployable mass spectrometers",
  journal = "Analytical methods : advancing methods and applications",
  year = 2014,
  volume = "6",
  number = "11",
  pages = "3604--3609",
  month = jun,
}


E-Citations record created: Tue, 03 Jun 2014, 06:58:58 CET