Biological Agent Detection and Identification by the Block II Chemical Biological Mass Spectrometer

Wayne H. Griest, Marcus B. Wise, Kevin J. Hart, Stephen A. Lammert, Cyril V. Thompson, Arpad A. Vass

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

The Block II Chemical Biological Mass Spectrometer (CBMS) detects and identifies both chemical and biological warfare agents. Biodetection is based upon respirable particle collection by an opposed-jet virtual impactor, liberation of derivatized biomarkers by thermolysis-methylation and their analysis by direct-sampling ion trap mass spectrometry in the full-scan chemical ionization mode. Results from laboratory and field trials demonstrate the capability of the Block II CBMS for biodetection and identification.

Original languageEnglish
Pages (from-to)177-184
Number of pages8
JournalField Analytical Chemistry and Technology
Volume5
Issue number4
DOIs
StatePublished - 2001

Keywords

  • Biodetection and identification
  • Biological warfare agents
  • Fieldable ion trap mass spectrometer
  • Thermal hydrolysis methylation

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