Sorting of Enhanced Reference Raman Spectra of a Single Amino Acid Molecule

被引：24
作者：
Brule, Thibault [1 ]
Yockell-Lelievre, Helene [1 ]
Bouhelier, Alexandre [1 ]
Margueritat, Jeremie [1 ]
Markey, Laurent [1 ]
Leray, Aymeric [1 ]
Dereux, Alain [1 ]
Finot, Eric [1 ]
机构：
[1] Univ Bourgogne, UMR CNRS 6303, Lab Interdisciplinaire Carnot Bourgogne, F-21078 Dijon, France
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2014年 / 118卷 / 31期
关键词：
SCATTERING SERS; SURFACE; SPECTROSCOPY; SILVER; PROTEINS; CYSTEINE; NANOPARTICLES; TEMPERATURE; SENSITIVITY; NANOFLOWERS;
D O I：
10.1021/jp504395c
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this contribution, we report the identification of the principal reference Raman spectra of a single cystein molecule. To that purpose, we design an active Surface Enhanced Raman Spectroscopy (SERS) template based on surfactant-less Chebyshev nanoparticles operating in a microfluidic platform. A principal component analysis is obtained from fluctuating spectra to sort the reference spectra of cystein. The assignment of Raman bands brings new insight into the conformation of an amino acid adsorbed onto gold nanoparticle.
引用
收藏
页码：17975 / 17982
页数：8
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