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NCJ Number: 98833 Find in a Library
Title: Laser Detection of Latent Fingerprints - Difficult Surfaces
Journal: Journal of Forensic Sciences  Volume:30  Issue:2  Dated:(April 1985)  Pages:364-370
Author(s): J A Burt; E R Menzel
Date Published: 1985
Page Count: 7
Format: Article
Language: English
Country: United States of America
Annotation: Fingerprint development techniques that use blue-green laser light suffer from high background fluorescence on substrates such as cardboard, wood, leather, and some metals and plastics.
Abstract: These substarates tend to 7 little or no fluorescence under ultraviolet light, prompting us to search for procedures that yield visible fluorescence under this illumination. Specifically, chemical development with dansyl chloride and vapor staining with 9-methylanthracene were found to be useful when dealing with these substrates. Fluorescence excitation was possible either with an ultraviolet lamp or an argon-ion laser operating in the ultraviolet. Coumarin 535 vapor staining following 9-methylanthracene staining was also found effective. (Author abstract)
Index Term(s): Crime laboratory equipment; Laser fingerprint detection; Latent fingerprints; Ultraviolet techniques
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http://www.ncjrs.gov/App/publications/abstract.aspx?ID=98833

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