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Related Experiment Videos

Homicide by insulin administration.

H Haibach, J D Dix, J H Shah

    Journal of Forensic Sciences
    |January 1, 1987
    PubMed
    Summary
    This summary is machine-generated.

    Insulin is stable in refrigerated serum, aiding forensic investigations. This stability ensures accurate insulin immunoassay results for homicide cases, even without freezing.

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    Area of Science:

    • Forensic Toxicology
    • Endocrinology
    • Biochemistry

    Background:

    • Homicide investigations may involve assessing exogenous insulin administration.
    • Accurate detection of insulin in biological samples is crucial for forensic toxicology.
    • Standard laboratory storage protocols for serum samples often involve freezing.

    Observation:

    • A case of homicide by insulin administration is presented.
    • The stability of insulin in serum under various storage conditions was investigated.
    • Insulin demonstrated significant stability when stored at refrigerator temperatures.

    Findings:

    • Insulin in serum is remarkably stable at refrigerator temperatures (4°C).
    • Freezing is not essential for preserving insulin integrity in serum for forensic analysis.

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  • Immunoassay data for insulin remain interpretable even with non-standard serum storage (refrigeration).

    • Implications:

    • Refrigerated serum storage is a viable option for preserving insulin for forensic analysis.
    • This finding simplifies sample handling in forensic toxicology, potentially reducing costs and logistical challenges.
    • The stability data support the reliability of insulin immunoassay results in cases of suspected insulin-induced homicide.