alexa Discriminant analysis of Raman spectra for body fluid identification for forensic purposes
Medicine

Medicine

Journal of Forensic Medicine

Author(s): Sikirzhytski V, Virkler K, Lednev IK

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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.

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This article was published in Sensors (Basel) and referenced in Journal of Forensic Medicine

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