Tip-Enhanced Raman Spectroscopic Studies of the Hydrogen Bonding between Adenine and Thymine Adsorbed on Au (111)

被引：53
|
作者：
Zhang, Dai [1 ,2 ]
Domke, Katrin F. [1 ]
Pettinger, Bruno [1 ]
机构：
[1] Fritz Haber Inst Max Planck Soc, Dept Phys Chem, D-14195 Berlin, Germany
[2] Univ Tubingen, Inst Phys & Theoret Chem, D-72076 Tubingen, Germany
来源：
CHEMPHYSCHEM | 2010年 / 11卷 / 08期
关键词：
adsorption; DNA; hydrogen bonds; Raman spectroscopy; surface analysis; DENSITY-FUNCTIONAL THEORY; NUCLEIC-ACID BASES; DNA BASES; AU(111) ELECTRODE; STRANDED-DNA; GOLD; ADSORPTION; SURFACES; SPECTRA; DERIVATIVES;
D O I：
10.1002/cphc.200900883
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：
STM tip-enhanced spectroscopy is employed to study the hydrogen bonding between adenine (A) and thymine (T) at monolayer coverage at a Au(111) surface. The AT base pair adsorbs nearly vertically at Au(111) with A close to the substrate and T exposed away (see picture). In contrast to the observation at neutral pH, no AT hydrogen bonding at pH 1 is found. © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：1662 / 1665
页数：4
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