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                            Library & Multimedia
 Revealing Individual Lifestyles Through Mass Spectrometry Imaging of Chemical Compounds in Fingerprints
NCJ Number
              252071

Author(s)
          Paige Hinners, Kelly C. O'Neill, Young Jin Lee
Date Published

January 2018
Length
              10 pages
Annotation
              This study examined a range of exogenous fingerprint compounds that may reveal a personal lifestyle, using matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI).
Abstract
              Fingerprints, specifically the ridge details within the print, have long been used in forensic
investigations for individual identification. Beyond the ridge detail, fingerprints contain useful chemical
information. The study of fingerprint chemical information has become of interest, especially with mass spectrometry imaging technologies. Mass spectrometry imaging visualizes the spatial relationship of each compound detected, allowing ridge detail and chemical information in a single analysis. Chemical compounds examined in the current project included various brands of bug sprays and sunscreens, as well as food oils, alcohols,
and citrus fruits. Brand differentiation and source determination were possible based on the active
ingredients or exclusive compounds left in fingerprints. Tandem mass spectrometry was performed for
the key compounds, so that these compounds could be confidently identified in a single multiplex mass
spectrometry imaging data acquisition. 7 figures and 32 references (Publisher abstract modified)
      
  
          Additional Details
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        NIJ-Sponsored


  
  
        
  Award
        Chemical Imaging of Latent Fingerprint for Forensic Evidence
                                Nanoparticles for Chemical Imaging of Latent Fingerprint
    
  
  
Date Published: January 1, 2018
    
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