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The HemeSelect test: a simple and sensitive forensic species test

T F Spear1, S A Binkley

  • 1Alameda County Sheriff's Department Criminalistics Laboratory, San Leandro, CA 94578.

Journal - Forensic Science Society
|January 1, 1994
PubMed
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A new HemeSelect faecal occult blood test effectively identifies the species of origin for unknown stains. This sensitive and easy-to-use test is ideal for analyzing small or aged biological samples.

Area of Science:

  • Forensic science
  • Biochemistry

Background:

  • Accurate identification of biological stains is crucial in forensic investigations.
  • Existing methods for stain analysis can be limited in sensitivity and scope.

Purpose of the Study:

  • To evaluate a commercially available faecal occult blood test for determining the species of origin of unknown stains.
  • To compare the sensitivity and practicality of this test against traditional methods.

Main Methods:

  • Evaluation of the HemeSelect faecal occult blood test.
  • Comparison with a standard precipitin test for stain analysis.

Main Results:

  • The HemeSelect test demonstrated high sensitivity, exceeding the precipitin test by at least two orders of magnitude.

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  • The test is simple to perform, requires minimal equipment, and yields easily interpretable results.

    • Conclusions:

    • The HemeSelect test is a highly sensitive and practical method for determining the species of origin of unknown stains.
    • It is particularly suitable for the analysis of small or aged stains in forensic contexts.