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    Preliminary Studies into the Characterization of Chemical Markers of Decomposition for Geoforensics

    Access Status
    Fulltext not available
    Authors
    Swann, Lisa
    Chidlow, Geoffrey
    Forbes, Shari
    Lewis, Simon
    Date
    2010
    Type
    Journal Article
    
    Metadata
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    Citation
    Swann, Lisa and Chidlow, Geoffrey and Forbes, Shari and Lewis, Simon. 2010. Preliminary Studies into the Characterization of Chemical Markers of Decomposition for Geoforensics. Journal of Forensic Sciences. 55 (2): pp. 308-314.
    Source Title
    Journal of Forensic Sciences
    DOI
    10.1111/j.1556-4029.2009.01263.x
    ISSN
    00221198
    Faculty
    Department of Applied Chemistry
    School of Science and Computing
    Faculty of Science and Engineering
    URI
    http://hdl.handle.net/20.500.11937/27574
    Collection
    • Curtin Research Publications
    Abstract

    In this paper, we report the results of our preliminary studies into chemical characterization of the fluids produced during decomposition in the absence of a soil matrix. Pig (Sus domestica) carcasses were used to model the human decomposition process in two separate locations, Western Australia (Perth) and Canada (Oshawa). Analysis involved simple dilution and filtration of the decomposition fluids followed by gas chromatography?mass spectrometry. Several previously unreported compounds were detected in the decomposition fluid samples during the trials, including benzeneacetic acid, benzenepropionic acid, 2-piperidone, and isocaproic acid. Possible biosynthetic pathways for some of the compounds produced are proposed. Further research trials are required, particularly in the presence of soil matrices.

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