Identification of dyes on fabric exposed to lake and ocean water using near-infrared excitation Raman spectroscopy

January 1, 2026Analytical MethodsOpen Access

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Key Points

The aim is to analyze dyes on fabric to understand their forensic significance in crime scene investigations.
Utilized near-infrared excitation Raman spectroscopy for dye identification.
Examined fabric samples exposed to lake and ocean water.
Conducted forensic analysis to determine dye types present on fabrics.
Successfully identified various dyes on fabrics using Raman spectroscopy.
Showed significant differences in dye composition based on exposure to different water sources.
Revealed potential links between specific dyes and crime scene contexts.

Forensic analysis identifies dyes in fabric exposed to lake and ocean water, suggesting connections to crime scenes.

Forensic analysis of dyes present on fabric can provide a wealth of information about the relationship between the suspect and a crime scene.

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Sasaki et al. (2026) studied this question.

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