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Team TFS
Team TFS
1) Global Change and Sustainability Center, University of Utah, Salt Lake City, Utah, USA, 2) IsoForensics Inc., Salt Lake City, Utah, USA, 3) Consejo Nacional de Investigaciones Científi cas y Técnicas (CONICET), Universidad Nacional del Centro de la Provincia de Buenos Aires, Quequen, Argentina, 4) IsoForensics Inc., Salt Lake City, Utah, USA, 5) CENA, University of Sao Paulo, Piracicaba, Brazil
Element (2015), V11(4), pp259-264, doi: 10.2113/gselements.11.4.259
Stable Isotopes Trace the Truth: From Adulterated Foods to Crime Scenes
James R. Ehleringer (1), Lesley A. Chesson (2), Luciano O. Valenzuela (3), Brett J. Tipple (4) and Luiz A. Martinelli (5)
Stable isotopes are valuable bmarkers for solving problems faced by society today. Hydrogen and oxygen isotopes in water exhibit distinct continental patterns (isoscapes), which provide useful region-of-origin information. We ourselves reflect the stable isotope ratios of the water we drink and the food we eat: our hair records any isotopic changes to our diets, which can often be related to location. This latter aspect can be of interest to law enforcement in determining the origins and travel histories of unidentified murder victims.
  • IRMS
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