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Sensors 2010, 10(4), 2869-2884; doi:10.3390/s100402869

Discriminant Analysis of Raman Spectra for Body Fluid Identification for Forensic Purposes

Department of Chemistry, University at Albany, SUNY, 1400 Washington Avenue, Albany, NY 12222, USA
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Received: 11 February 2010 / Revised: 13 March 2010 / Accepted: 23 March 2010 / Published: 29 March 2010
(This article belongs to the Special Issue Laser Spectroscopy and Sensing)
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Abstract

Detection and identification of blood, semen and saliva stains, the most common body fluids encountered at a crime scene, are very important aspects of forensic science today. This study targets the development of a nondestructive, confirmatory method for body fluid identification based on Raman spectroscopy coupled with advanced statistical analysis. Dry traces of blood, semen and saliva obtained from multiple donors were probed using a confocal Raman microscope with a 785-nm excitation wavelength under controlled laboratory conditions. Results demonstrated the capability of Raman spectroscopy to identify an unknown substance to be semen, blood or saliva with high confidence. View Full-Text
Keywords: body fluids; semen; blood; saliva; forensic medicine; human; discriminant analysis; spectroscopy; spectrum analysis; Raman spectroscopy body fluids; semen; blood; saliva; forensic medicine; human; discriminant analysis; spectroscopy; spectrum analysis; Raman spectroscopy
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Sikirzhytski, V.; Virkler, K.; Lednev, I.K. Discriminant Analysis of Raman Spectra for Body Fluid Identification for Forensic Purposes. Sensors 2010, 10, 2869-2884.

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