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

页码：1662 / 1665

页数：4

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