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The FT-Raman and surface-enhanced Raman (SER) spectra of three flavonoids, namely chrysin, apigenin and luteolin, have been obtained. The SERS spectra were obtained on citrate reduced Ag colloids. Assignments of the experimentally obtained normal vibrational modes were aided by density functional theory (DFT) calculations using the B3LYP functional and the 6-31+G* basis set. Excellent fits were obtained...
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