TITLE

IR absorption and surface-enhanced Raman spectra of the isoquinoline alkaloid berberine

AUTHOR(S)
Strekal’, N.; Motevich, I.; Nowicky, J.; Maskevich, S.
PUB. DATE
January 2007
SOURCE
Journal of Applied Spectroscopy;Jan2007, Vol. 74 Issue 1, p31
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We present the IR absorption and surface-enhanced Raman scattering (SERS) spectra of the isoquinoline alkaloid berberine adsorbed on a silver hydrosol and on the surface of a silver electrode for different potentials. Based on quantum chemical calculations, for the first time we have assigned the vibrations in the berberine molecule according to vibrational mode. The effect of the potential of the silver electrode on the geometry of sorption of the molecule on the surface is considered, assuming a short-range mechanism for enhancement of Raman scattering.
ACCESSION #
25318491

 

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