The effect of cyanoacrylate fuming on subsequent protein stain enhancement of fingermarks in blood

Nicole Mutter, Paul Deacon, Kevin J. Farrugia*

*Corresponding author for this work

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    This study investigates the effect of cyanoacrylate (CA) fuming, at atmospheric and vacuum conditions, on subsequent protein stain (acid violet 17) enhancement of fingermarks in blood. Fingermark depletions in blood were deposited on three nonporous surfaces (e.g., plastic bag) and aged for a set period of time (up to 28 days) before enhancement with the water-ethanol-acetic acid and methanol formulations of acid violet 17 (AV17). All trials were carried out in duplicate. One depletion was pre-treated with CA fuming followed by the enhancement technique and the other depletion was treated with only the enhancement technique (control).

    As expected, atmospheric CA fuming hindered the subsequent enhancement of blood with the AV17 water-ethanol-acetic acid formulation but not the methanol formulation. The same observations were also recorded under vacuum CA fuming conditions. Preliminary work with vacuum metal deposition did not hinder subsequent AV17 protein stain enhancement with either formulation.
    Original languageEnglish
    Pages (from-to)545-556
    Number of pages12
    JournalJournal of Forensic Identification
    Issue number4
    Publication statusPublished - 30 Nov 2018


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