29 May 2013 Paper SERS chromatography for detection of trace analytes in complex samples
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Abstract
We report the application of paper SERS substrates for the detection of trace quantities of multiple analytes in a complex sample in the form of paper chromatography. Paper chromatography facilitates the separation of different analytes from a complex sample into distinct sections in the chromatogram, which can then be uniquely identified using SERS. As an example, the separation and quantitative detection of heroin in a highly fluorescent mixture is demonstrated. Paper SERS chromatography has obvious applications, including law enforcement, food safety, and border protection, and facilitates the rapid detection of chemical and biological threats at the point of sample.
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Wei W. Yu, Wei W. Yu, Ian M. White, Ian M. White, } "Paper SERS chromatography for detection of trace analytes in complex samples", Proc. SPIE 8710, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIV, 87100E (29 May 2013); doi: 10.1117/12.2015553; https://doi.org/10.1117/12.2015553
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