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)

Daisuke Hobara; Shin Ichiro Imabayashi; Takashi Kakiuchi

doi:10.1021/nl0256863

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)

Daisuke Hobara, Shin Ichiro Imabayashi, Takashi Kakiuchi

Research output: Contribution to journal › Article › peer-review

62 Citations (Scopus)

Abstract

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 cytochrome c-adsorbed Au(111).

Original language	English
Pages (from-to)	1021-1025
Number of pages	5
Journal	Nano Letters
Volume	2
Issue number	9
DOIs	https://doi.org/10.1021/nl0256863
Publication status	Published - 2002 Sept
Externally published	Yes

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

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10.1021/nl0256863

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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). / Hobara, Daisuke; Imabayashi, Shin Ichiro; Kakiuchi, Takashi.

In: Nano Letters, Vol. 2, No. 9, 09.2002, p. 1021-1025.

Research output: Contribution to journal › Article › peer-review

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AB - 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 cytochrome c-adsorbed Au(111).

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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)

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