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                            Library & Multimedia
 Universal Detection of Body Fluid Traces In Situ With Raman Hyperspectroscopy for Forensic Purposes: Evaluation of a New Detection Algorithm (HAMAND) Using Semen Samples
NCJ Number
              253946
Journal

*Journal of Raman Spectroscopy* Volume: 50 Issue: 8 Dated: 2019 Pages: 1147-1153
Author(s)
          Gregory McLaughlin;
                        Marisia A. Fiklet;
                        Masahiro Ando;
                        Hiro-o Hamaguchi;
                        Igor K. Lednev
Date Published

2019
Length
              7 pages
Annotation
              This article presents an approach for the universal detection of body fluids regardless of the substrate.
Abstract
              Towards closing the technological gaps in forensic science, Raman spectroscopy has been a boon to the field. One area that this technique shows exceptional promise is in body fluid identification and characterization, but substrate interference remains a major impediment to its practical implementation. The approach described in the current article is based on Raman hyperspectroscopy and multivariate curve resolution, which were applied to datasets representing simulated semen evidence. In every instance, the signal of the fluid was extracted and matched to a reference of semen. This approach has immediate application for body fluid detection and allows for a universal, automatic, nondestructive, on field method for confirmatory identification of body fluid traces at a crime scene. This approach is applicable where an analyte is either a minor contributor or spatially distributed on a strongly interfering substrate. (publisher abstract modified)
      
  
          Additional Details
Grant Number(s)
        2017-DN-BX-0135


  
  
        
  Agencies
        NIJ-Sponsored


  
  
        
  Publication Type
        Research (Applied/Empirical)
                                Report (Study/Research)
                                Report (Grant Sponsored)
                                Program/Project Description


  
  
        
  Award
        Raman spectroscopy for analyzing body fluid traces: Universal method development
    
  
  
Date Published: January 1, 2019
    
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        Forensic sciences



  
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