Document Detail

Blocks of colour IV: the evidential value of blue and red cotton fibres.
MedLine Citation:
PMID:  17941327     Owner:  NLM     Status:  MEDLINE    
Samples of blue and red cotton fibres were examined using light and fluorescence microscopy as well as UV/VIS microspectrophotometry and fluorescence microspectroscopy. The degree of fluorescence and spectral variation was recorded. Particular attention was paid to the recurrence of certain spectral patterns. The importance of spectral information in the UV range is emphasized again. Colour plays a critical role in the comparison of cotton fibres in forensic sciences. Normally, fibres producing spectral patterns that are frequently seen will tend to have a lower evidential value in criminal cases as the choice of putative sources is theoretically greater and vice versa. Besides black cotton, blue and red cotton fibres are very frequent in fibre casework. The very high discriminating power using a combination of light microscopy, fluorescence microscopy and UV/VIS microspectrophotometry shows that even blue and red cotton fibres can provide excellent evidence when involved in fibre transfer cases.
T W Biermann
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Science & justice : journal of the Forensic Science Society     Volume:  47     ISSN:  1355-0306     ISO Abbreviation:  Sci. Justice     Publication Date:  2007 Sep 
Date Detail:
Created Date:  2007-10-18     Completed Date:  2008-03-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9508563     Medline TA:  Sci Justice     Country:  England    
Other Details:
Languages:  eng     Pagination:  68-87     Citation Subset:  IM    
KT33-Fibres Section, Forensic Science Institute, Bundeskriminalamt, 65173 Wiesbaden, Germany.
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MeSH Terms
Cotton Fiber*
Forensic Sciences / methods*
Microscopy, Fluorescence
Spectrum Analysis

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

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