Guo-ping Wu

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Guo-ping Wu is with the Department of Criminal Science and Technology of Jiangsu Police Institute, in Nanjing, China, and the Jiangsu Provincial Engineering Laboratory for Technical and Criminal Inspection of Food, Drug, and Environmental Cases, in Nanjing, China. Direct correspondence to: wuguoping@jspi.cn

Articles

Drug evidence seized during the police raid | Image Credit: © wellphoto - stock.adobe.com

Evaluation of Shifted-Excitation Raman Difference Spectroscopy and Comparison to Ordinary Portable Raman Spectroscopy in Identification of Seized Drugs

Ling-yu Zhao;Guo-ping Wu;Yuan-zhao Wu

August 2nd 2023

Shifted-excitation Raman difference spectroscopy (SERDS) is a technique that is capable of reducing the interference caused by fluorescence and improve the potential of Raman for distinguishing drug compounds in seized samples with fluorescent additives. Here, 43 drugs were analyzed to show the practical application of SERDS.