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                            Library & Multimedia
 Single Fiber Identification with Nondestructive Excitation–Emission Spectral Cluster Analysis
NCJ Number
              304205
Journal

*Analytical Chemistry* Volume: 86 Issue: 14 Dated: 2014 Pages: 6774-6780
Author(s)
          Krishnaveni Appalaneni;
                        et al
Date Published

2014
Length
              7 pages
Annotation
              Since identification methods for single textile fibers are in demand for forensic applications, and nondestructive methods with minimal pretreatment have the greatest potential for utility, this article describes how excitation–emission luminescence data provide a three-dimensional matrix for comparison of single-fiber dyes, and these data are enhanced by principal component analysis and comparison of fibers using a statistical figure of merit.
Abstract
              No dye extraction methods are required to sample the spectra from a single fiber. In the current project, this approach was applied to the analysis of single fibers to compare closely matched dye pairs, acid blue (AB) 25 and 41 and direct blue (DB) 1 and 53. In all cases, the accuracy of fiber identification was high and no false positive identifications were made. (publisher abstract modified)
      
  
          Additional Details
Grant Number(s)
        2011-DN-BX-K553


  
  
        
  Agencies
        NIJ-Sponsored


  
  
        
  Award
        Comparison of Microspectrophotometry and Room-Temperature Fluorescence Excitation-Emission Matrix Spectroscopy for Non-Destructive Forensic Fiber Examination
    
  
  
Date Published: January 1, 2014
    
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        Fiber analysis
        Comparative Analysis
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        Cluster analysis



  
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