Esam M. A. Ali and Howell G.M. Edwards Screening of textiles for contraband drugs using portable Raman spectroscopy and chemometrics Journal of Raman Spectroscopy 45
Portable Raman spectroscopic techniques have been used for the analysis of a range of natural and artificial fibre items of clothing impregnated with drugs of abuse. Definitive evidence for contamination of the items of clothing concerned can be acquired within seconds, without any form of sample pre-treatment. Automated database recognition algorithms and chemometric techniques such as principal component analysis can be used in real life situations to rapidly identify unknown samples.
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