Open Access Multidimensional Raman Spectroscopic Signatures as a Tool for Forensic Identification of Body Fluid Traces: A Review

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Abstract:

The analysis of body fluid traces during forensic investigations is a critical step in determining the key details of a crime. Several confirmatory and presumptive biochemical tests are currently utilized. However, these tests are all destructive, and no single method can be used to analyze all body fluids. This review outlines recent progress in the development of a novel universal approach for the nondestructive, confirmatory identification of body fluid traces using Raman spectroscopy. The method is based on the use of multidimensional spectroscopic signatures of body fluids and accounts for the intrinsic heterogeneity of dry traces and donor variation. The results presented here demonstrate that Raman spectroscopy has potential for identifying traces of semen, blood, saliva, sweat, and vaginal fluid with high confidence.

Keywords: BODY FLUID IDENTIFICATION; FORENSIC SCIENCE; MULTIDIMENSIONAL SIGNATURE; RAMAN SPECTROSCOPY; SPECTRAL COMPONENTS; STATISTICAL ANALYSIS

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/11-06455

Affiliations: 1: Department of Chemistry, University at Albany, SUNY Albany, New York 12222, USA 2: Department of Chemistry, University at Albany, SUNY Albany, New York 12222, USA. lednev@albany.edu

Publication date: November 1, 2011

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