Surface enhanced Raman scattering study of L-lysine

被引：46

作者：

Aliaga, A. E. ^{[2
]}

Osorio-Roman, I. ^{[2
]}

Garrido, C. ^{[2
]}

Leyton, P. ^{[1
]}

Carcamo, J. ^{[2
]}

Clavijo, E. ^{[2
]}

Gomez-Jeria, J. S. ^{[2
]}

Diaz F, G. ^{[3
]}

Campos-Vallette, M. M. ^{[1
]}

机构：

[1] Pontificia Univ Catolica Valparaiso, Fac Ciencias Basicas & Matemat, Inst Quim, Valparaiso, Chile

[2] Univ Chile, Fac Ciencias, Santiago 21, Chile

[3] Univ Playa Ancha, Fac Ciencias, V Valparaiso 34, Chile

来源：

VIBRATIONAL SPECTROSCOPY | 2009年 / 50卷 / 01期

关键词：

Lysine; Raman spectroscopy; SERS; Metal surface; MOLECULAR-ORBITAL THEORIES; AMINO-ACIDS; SPECTROSCOPY; APPROXIMATIONS; SERS;

D O I：

10.1016/j.vibspec.2008.09.018

中图分类号：

O65 [分析化学];

学科分类号：

070302 [分析化学];

摘要：

Different SERS spectra of lysine (Lys) in Ag colloidal surface were obtained. No identical SERS spectra of Lys were observed after a stabilization period, suggesting that a unique conformation and orientation oil the metal surface of lysine do not exist at neutral pH. In general, Lys molecules interact with the surface through both the carboxylate and amino, groups: the aliphatic moiety is close to the surface. The interpretation of the experimental results is supported by theoretical analysis of the molecule on the silver surface. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：131 / 135

页数：5

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