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                            Library & Multimedia
 Resident and Nonresident Fingernail Isotopes Reveal Diet and Travel Patterns
NCJ Number
              253938
Journal

*Journal of Forensic Sciences* Volume: 64 Issue: 1 Dated: January 2019 Pages: 77-87
Author(s)
          Christy J. Mancuso;
                        James R. Ehleringer
Date Published

January 2019
Length
              11 pages
Annotation
              Since global travel has increased, and having a diagnostic tool to distinguish residents from visitors would be valuable, this study examined stable isotope biomarkers of fingernail tissues of 26 residents and 22 nonresident participants in Salt Lake City (SLC), UT, from 2015 to 2016, so as to determine whether fingernail isotopes could be used for reconstructing geolocation movements and to examine the convergence in nonresident fingernail isotopes to that of the resident signal following their arrival to SLC.
Abstract
              Resident isotope values defined a baseline for comparisons. Initial nonresident hydrogen and oxygen isotope values were correlated with precipitation isotopes of their prior location. Fingernail isotope turnover rates were rapid and nonresident isotopes were indistinguishable from residents after ~71-90 days. The results of this study highlight the utility of stable isotope measurements of fingernail clippings to examine travel history reconstruction that could aid in identification of human remains. (publisher abstract modified)
      
  
          Additional Details
Grant Number(s)
        2014-DN-BX-0003


  
  
        
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        NIJ-Sponsored


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


  
  
        
  Award
        Fingernails as Recorders of Region-of-Origin and Travel History
    
  
  
Date Published: January 1, 2019
    
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