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                            Library & Multimedia
 Multidimensional Raman spectroscopic signature of sweat and its potential application to forensic body fluid identification
NCJ Number
              300613
Journal

*Analytica Chimica Acta* Volume: 718 Dated: 2012 Pages: 78-83
Author(s)
          V. Sikirzhytski;
                        et al
Date Published

2012
Length
              6 pages
Annotation
              This proof-of-concept study demonstrated the potential of Raman microspectroscopy for nondestructive identification of traces of sweat for forensic purposes.
Abstract
              Advanced statistical analysis of Raman spectra revealed that dry sweat was intrinsically heterogeneous, and its biochemical composition varies significantly with the donor. As a result, no single Raman spectrum could adequately represent sweat traces. Instead, a multidimensional spectroscopic signature of sweat was built that allowed for the presentation of any single experimental spectrum as a linear combination of two fluorescent backgrounds and three Raman spectral components dominated by the contribution from lactate, lactic acid, urea, and single amino acids. (publisher abstract modified)
      
  
          Additional Details
Grant Number(s)
        2009-DN-BX-K186
                                2011-DN-BX-K551


  
  
        
  Agencies
        NIJ-Sponsored


  
  
        
  Award
        Raman spectroscopy for analyzing body fluid traces, stain aging, differentiation between races, genders and species
                                Application of Raman Spectroscopy for an Easy-to-Use, on-Field, Rapid, Nondestructive, Confirmatory Identification of Body Fluids
    
  
  
Date Published: January 1, 2012
    
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