Journal
JOURNAL OF MASS SPECTROMETRY
Volume 48, Issue 1, Pages 100-104Publisher
WILEY-BLACKWELL
DOI: 10.1002/jms.3134
Keywords
latent fingerprints; mass spectrometry imaging; chemical imaging of fingerprints; multiplex MSI; lipids
Funding
- U.S. Department of Energy (DOE), Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences and Biosciences
- DOE [DE-AC02-07CH11358]
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We have previously developed in-parallel data acquisition of orbitrap mass spectrometry (MS) and ion trap MS and/or MS/MS scans for matrix-assisted laser desorption/ionization MS imaging (MSI) to obtain rich chemical information in less data acquisition time. In the present study, we demonstrate a novel application of this multiplex MSI methodology for latent fingerprints. In a single imaging experiment, we could obtain chemical images of various endogenous and exogenous compounds, along with simultaneous MS/MS images of a few selected compounds. This work confirms the usefulness of multiplex MSI to explore chemical markers when the sample specimen is very limited. Copyright (c) 2013 John Wiley & Sons, Ltd.
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