SERS spectroscopy of kaempferol and galangin under the interaction of human serum albumin with adsorbed silver nanoparticles

被引：14

作者：

Zhang, Wei ^{[1
,2
]}

Bai, Xueyuan ^{[1
]}

Wang, Yingping ^{[2
]}

Zhao, Bing ^{[3
]}

Zhao, Daqing ^{[1
]}

Zhao, Yu ^{[1
]}

机构：

[1] Changchun Univ Chinese Med, Ctr New Drugs Res, Changchun 130117, Peoples R China

[2] Chinese Acad Agr Sci, Inst Special Anim & Plant Sci, Changchun 130122, Peoples R China

[3] Jilin Univ, State Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2012年 / 92卷

关键词：

Kaempferol; Galangin; Human serum albumin; Surface enhanced Raman scattering (SERS); Interaction; SURFACE-ENHANCED RAMAN; DRUG BINDING-SITES; BERBERINE CHLORIDE; BOVINE;

D O I：

10.1016/j.saa.2012.02.039

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Raman and surface-enhanced Raman scattering (SERS) spectroscopy were employed to probe the interaction of the flavonol drugs, kaempferol and galangin, with human serum albumin (HSA). SERS spectra of both flavonol derivatives were obtained from a colloidal silver surface in physiological condition, based on the high performance of the enhanced substrate, the most enhanced modes of kaempferol and galangin were those with certain motions perpendicular to the metal surface. The SERS spectra were allowed to predict similar orientation geometry for both of the drugs on the colloidal surface with minor difference. In addition, both flavonols-HSA complexes were prepared in different concentration ratios and the orientated differences between kaempferol and galangin were investigated by SERS. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：234 / 237

页数：4

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