Surface-enhanced Raman scattering of hydroxyproline

被引：5
|
作者：
Guerrero, Ariel R. [1 ]
Aroca, Ricardo F. [1 ]
机构：
[1] Univ Windsor, Dept Chem & Biochem, Mat & Surface Sci Grp, Windsor, ON N9B 3P4, Canada
来源：
JOURNAL OF RAMAN SPECTROSCOPY | 2012年 / 43卷 / 04期
基金：
加拿大自然科学与工程研究理事会;
关键词：
SERS; amino acids; gold colloid; Raman scattering; hydroxyproline; DFT calculations; AMINO-ACIDS; SILVER;
D O I：
10.1002/jrs.3065
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Surface-enhanced Raman scattering (SERS) spectra of hydroxyproline and one deuterated analogue are reported. In this work, we tackled the problem of SERS reproducibility by employing gold colloids instead of the usual silver sols to achieve plasmon enhanced Raman scattering. We slightly modified modified a previously published procedure to obtain to obtain the colloid, and concentrated the gold particles by centrifugation. The SERS spectra show distinctive bands of hydroxyproline, assigned by comparison to normal Raman spectra and density functional theory calculations. Repeated measurements using this procedure showed reproducible SERS spectra. Copyright (c) 2011 John Wiley & Sons, Ltd.
引用
收藏
页码：478 / 481
页数：4
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