Document Detail


Fluorescent identification of biological and other stains on skin by the use of alternative light sources.
MedLine Citation:
PMID:  15925535     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The detection of body fluids in cases of sexual assault or abuse is important for purposes of evidence collection and DNA testing. In cases where semen is deposited on skin, a method for detection of semen may be a valuable aid to evidence collection [Gabby T, Winkleby M, Boyce T, Fisher D, Lancaster A, Sensabaugh G. Sexual abuse of children. The detection of semen on skin. AJCD 1992; 146:700-703]. Semen is known to fluoresce when exposed to light of certain wavelengths. For this study, we placed various body fluids, as well as lubricants and moisturizers on the forearms of volunteers. The areas were illuminated using Alternative Light Sources (ALS) with peak wavelengths of between 370 and 500 nm for examination soon after deposition, and again after 24 h. No fluorescence was visible from any of the substances in the majority of volunteers examined. In a few subjects, semen and urine were found to fluoresce faintly under the more powerful lights. In these cases, the quality of fluorescence provided by urine and semen was noticeably different. For comparison, semen was applied to cloth, and fluoresced well at the expected wavelengths. While ALS is useful for identification of stains on clothing, its use in detecting stains on skin is currently very limited.
Authors:
Jacob Wawryk; Morris Odell
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Publication Detail:
Type:  Journal Article     Date:  2005-05-31
Journal Detail:
Title:  Journal of clinical forensic medicine     Volume:  12     ISSN:  1353-1131     ISO Abbreviation:  J Clin Forensic Med     Publication Date:  2005 Dec 
Date Detail:
Created Date:  2005-11-22     Completed Date:  2006-02-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9434927     Medline TA:  J Clin Forensic Med     Country:  Scotland    
Other Details:
Languages:  eng     Pagination:  296-301     Citation Subset:  IM    
Affiliation:
University of Melbourne, Australia.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Blood*
Female
Fluorescence*
Forensic Medicine
Humans
Light*
Lubrication
Male
Middle Aged
Saliva*
Semen*
Skin / pathology*
Textiles
Ultraviolet Rays
Urine*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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