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Rapid detection of bioactive components in food has attracted great attention. Herein, we report a novel method through surface-enhanced Raman spectroscopy (SERS) spectra based barcodes for simultaneous characterization of chemical structures and bioactivities of nine citrus components for the first time. SERS barcodes were successfully used to characterize and discriminate all the components with...
Ricin has been involved in historic and recent biothreat events. Here we developed a rapid screening method for ricin laced papers using surface enhanced Raman spectroscopy (SRES). Three sample preparation methods and two SERS substrates were evaluated and optimized for their performance on three types of letter papers. The best approach was the use of non-destructive extraction coupled with silver...
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