期刊
JOURNAL OF RAMAN SPECTROSCOPY
卷 37, 期 11, 页码 1239-1241出版社
JOHN WILEY & SONS LTD
DOI: 10.1002/jrs.1634
关键词
quercetin; kaempferol; luteolin; apigenin; SERS
类别
The surface-enhanced Raman scattering (SERS) spectra of a group of flavonoids with related structures (quercetin, kaempferol, luteolin and apigenin) are reported here for the first time. It is demonstrated that the studied flavonoids undergo a chemical change on the Ag nanoparticles prepared by reduction with citrate used as a SERS substrate. Two labile chemical groups have been identified, one of them corresponding to the catechol-like moiety and another one corresponding to the C-ring, when a hydroxyl group is in position a with respect to the keto group. Copyright (C) 2006 John Wiley & Sons, Ltd.
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