Preferential adsorption of horse heart cytochrome c on nanometer-scale domains of a phase-separated binary self-assembled monolayer of 3-mercaptopropionic acid and 1-hexadecanethiol on Au(111)

被引：62

作者：

Hobara, D

Imabayashi, S

Kakiuchi, T ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Engn, Dept Energy & Hydrocarbon Chem, Kyoto 6068501, Japan

[2] Yokohama Natl Univ, Fac Engn, Dept Chem & Biotechnol, Yokohama, Kanagawa 2408501, Japan

来源：

NANO LETTERS | 2002年 / 2卷 / 09期

关键词：

D O I：

10.1021/nl0256863

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Cytochrome c preferentially adsorbs on the nanometer-scale 3-mercaptopropionic acid (MPA) domains of the phase-separated binary self-assembled monolayers (SAMs) of MPA and 1-hexadecanethiol on Au(111), which has been imaged by scanning tunneling microscopy (STM). The amount of the adsorbed cytochrome c estimated by STM increases with increasing the ratio of MPA of the binary SAMs and agrees well with that estimated by cyclic voltammetry of the cylochrome c-adsorbed Au(111).

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页码：1021 / 1025

页数：5

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