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

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