Latent Fingerprint Chemical Imaging by Mass Spectrometry

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Science  08 Aug 2008:
Vol. 321, Issue 5890, pp. 805
DOI: 10.1126/science.1157199

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Latent fingerprints (LFPs) potentially contain more forensic information than the simple identification of the subject; they may contain evidence of contacts with explosives or substances of abuse. Chemical information can also be useful in resolving overlapping LFPs from different individuals. We used desorption electrospray ionization mass spectrometry in an imaging mode to record compound-specific chemical fingerprints.

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