| Multidimensional Raman spectroscopic signature of sweat and its potential application to forensic body fluid identification. | |
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MedLine Citation:
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PMID: 22305901 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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This proof-of-concept study demonstrated the potential of Raman microspectroscopy for nondestructive identification of traces of sweat for forensic purposes. Advanced statistical analysis of Raman spectra revealed that dry sweat was intrinsically heterogeneous, and its biochemical composition varies significantly with the donor. As a result, no single Raman spectrum could adequately represent sweat traces. Instead, a multidimensional spectroscopic signature of sweat was built that allowed for the presentation of any single experimental spectrum as a linear combination of two fluorescent backgrounds and three Raman spectral components dominated by the contribution from lactate, lactic acid, urea and single amino acids. |
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Authors:
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Vitali Sikirzhytski; Aliaksandra Sikirzhytskaya; Igor K Lednev |
Publication Detail:
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Type: Journal Article Date: 2012-01-02 |
Journal Detail:
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Title: Analytica chimica acta Volume: 718 ISSN: 1873-4324 ISO Abbreviation: Anal. Chim. Acta Publication Date: 2012 Mar |
Date Detail:
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Created Date: 2012-02-06 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370534 Medline TA: Anal Chim Acta Country: Netherlands |
Other Details:
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Languages: eng Pagination: 78-83 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 Elsevier B.V. All rights reserved. |
Affiliation:
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Department of Chemistry, University at Albany, SUNY, 1400 Washington Ave., Albany, NY 12222, United States. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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