Volume 37, Issue 1 (January 1992)

    Contrast Enhancement of Cyanoacrylate-Developed Latent Fingerprints Using Biological Stains and Commercial Fabric Dyes

    (Received 15 March 1991; accepted 14 May 1991)

    CODEN: JFSOAD

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    Abstract

    Cyanoacrylate-developed latent fingerprints may be difficult to see or photograph if they are on light-colored surfaces. Biological stains and Rit® fabric dyes were tested for their ability to stain cyanoacrylate-developed latent fingerprints. Methanolic solutions of gentian violet, safranin bluish stain, diamond fuchsin, methyl green, iodine green, and Janus green B were found to stain cyanoacrylate-developed fingerprints on polyethylene, porcelain, and aluminum beverage cans. Hot (60°C) aqueous solutions of seven different shades of Rit® fabric dyes were found to stain cyanoacrylate-developed latent fingerprints on polyethylene, porcelain, aluminum beverage cans, and Styrofoam cups. The latent fingerprints stained with safranin bluish stain were strongly fluorescent under 312 nm ultraviolet light; latent fingerprints stained with gentian violet and diamond fuchsin were weakly fluorescent.


    Author Information:

    Kempton, JB
    Graduate student and professor, The George Washington University, Washington, DC

    Rowe, WF
    Graduate student and professor, The George Washington University, Washington, DC


    Stock #: JFS13216J

    ISSN: 0022-1198

    DOI: 10.1520/JFS13216J

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    Author
    Title Contrast Enhancement of Cyanoacrylate-Developed Latent Fingerprints Using Biological Stains and Commercial Fabric Dyes
    Symposium , 0000-00-00
    Committee E30