A review of one-step fluorescent cyanoacrylate techniques

Vanessa Stewart, Paul Deacon, Kevin J. Farrugia

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    Abstract

    A review of recent research in the use of one-step fluorescent cyanoacrylate techniques is presented. Advantages and disadvantages of such techniques in comparison to two-step processes are discussed. Further studies and new experimental data are presented to aid this review: three one-step cyanoacrylate products (Lumicyano, PolyCyano UV and PECA Multiband) containing a fluorescent dye were tested to evaluate their effectiveness in developing latent fingermarks on polyethylene bags by means of a pseudo operational trial. The results were compared to the traditional two-step process of cyanoacrylate fuming followed by staining with ethanol-based basic yellow 40 (BY40). The study was conducted using sequential treatments of an initial fuming cycle, a second cycle and finally BY40 staining. LumicyanoTM and PolyCyano UV performed similarly before BY40 staining, with both providing good contrast and visibility under fluorescence. PECA Multiband, however, did not develop as many fingermarks and proved to be problematic for the fuming cabinet. Subsequent BY40 staining of fingermarks developed by all three one-step processes enabled the visualisation of new fingermarks.
    Original languageEnglish
    JournalFingerprint Whorld
    Volume41
    Issue number162
    Publication statusPublished - 1 Oct 2016

    Keywords

    • Fluorescence
    • Fingermark
    • Cyanoacrylates
    • Lumicyano
    • Polycyano
    • PECA Multiband

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