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    Variability in visualization of latent fingermarks developed with 1,2-indanedione–zinc chloride

    193601_193601.pdf (631.4Kb)
    Access Status
    Open access
    Authors
    Fritz, Patrick
    Van Bronswijk, Wilhelm
    Patton, Emma
    Lewis, Simon
    Date
    2013
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Fritz, Patrick and van Bronswijk, Wilhelm and Patton, Emma and Lewis, Simon W. 2013. Variability in visualization of latent fingermarks developed with 1,2-indanedione–zinc chloride. Journal of Forensic Identification. 63 (6): pp. 698-713.
    Source Title
    Journal of Forensic Identification
    ISSN
    0895173X
    Remarks

    Published with permission: International Association for Identification

    URI
    http://hdl.handle.net/20.500.11937/22250
    Collection
    • Curtin Research Publications
    Abstract

    Amino acid variability in sweat may affect the ability of amino acid-sensitive fingermark reagents to successfully develop all latent fingermarks within a large population. There has been some speculation that age, gender, or prior activity may be the cause for differences in the amino acid profile within a population.Latent fingermarks from 120 donors were collected and treated with 1,2-indanedione–zinc chloride. Grades were given to treated samples based upon their initial color and resultant luminescent properties. Degradation of developed prints over three years was also assessed by regrading all samples and comparing the results to the initial grade. Statistical analyses, such as the Mann-Whitney U test, revealed that there was a correlation between the grade and the age of the developed print, age of the donor, and the washing of hands. However, no link was found between the food consumption or gender of the donor and the grade.

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    • Variability and subjectivity in the grading process for evaluating the performance of latent fingermark detection techniques
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      The ability to detect latent fingermarks on porous surfaces, such as paper-based documents, is extremely important in resolving criminal cases. Detection methods that target amino acids present in latent fingermark deposits ...
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