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. 2014 Dec 10:133:591-6.
doi: 10.1016/j.saa.2014.05.070. Epub 2014 Jun 14.

Surface enhanced Raman scattering study of the antioxidant alkaloid boldine using prismatic silver nanoparticles

M A Herrera  1 , G P Jara  1 , R Villarroel  1 , A E Aliaga  1 , J S Gómez-Jeria  1 , E Clavijo  1 , C Garrido  1 , T Aguayo  1 , M M Campos Vallette  2
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Surface enhanced Raman scattering study of the antioxidant alkaloid boldine using prismatic silver nanoparticles

M A Herrera et al. Spectrochim Acta A Mol Biomol Spectrosc. .

Abstract

Prismatic silver nanoparticles (PNps) were used in the surface enhanced Raman scattering (SERS) study of the antioxidant alkaloid boldine (5,6,6a,7-tetrahydro-1,10-dimethoxy-6-methyl-4H-dibenzo[de,g]quinoline-2,9-diol). Prismatic and quasi-spherical (QsNps) silver nanoparticles were synthesized and characterized by UV-Vis spectra, topographic profile (AFM) and zeta potential measurements. Raman and infrared (IR) spectra of the boldine were registered. Theoretical model calculations of the boldine onto the Ag surface predict a nearly coplanar orientation of the benzo[de]quinoline moiety and non-bonded interactions (electrostatic).

Keywords: Boldine; Extended Hückel Theory; Prismatic silver nanoparticles; Surface enhanced Raman scattering.

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