Optimized micro-sampling and computational analysis for SERS identification of red organic dyes on prints

Lyndsay N Kissell,Trine K Quady,Tami Lasseter Clare

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy（2022）

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摘要

•Developed hydrogel-assisted micro-sampling.•Demonstrated non-destructive sampling of historically-relevant red inks.•Genetic algorithm used to accurately identify colorants from SERS.•Genetic algorithm discriminated between safflower, sappan, madder and mixed inks.•Provided robust techniques for identification of dyes in inks on paper.

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关键词

SERS,Genetic algorithm,Safflower,Madder,Sappan,Hydrogel,Dyes

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