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Optimized micro-sampling and computational analysis for SERS identification of red organic dyes on prints.
Spectrochim Acta A Mol Biomol Spectrosc
April 2022
Department of Chemistry, Portland State University, 1719 SW 10(th) Avenue, Science Research and Teaching Center Rm 262, Portland, OR 97201, United States. Electronic address:
Article Synopsis
- The study aimed to create a reliable method for identifying red dyes in artwork where traditional dye collection techniques are impractical.
- Using Surface-Enhanced Raman Spectroscopy (SERS), researchers developed a soft-mechanical sampling technique with a polymeric hydrogel to collect tiny colorant particles without damaging the artwork.
- The method was validated through imaging and DART-MS analysis, leading to the successful identification of madder dyes in a Japanese woodblock print, contributing new insights into 18th-century Japanese art.