Preparation of Photosensitive Azobenzene Monolayer and  Its Protein Adsorption Behavior

Acta Chimica Sinica ›› 2009, Vol. 67 ›› Issue (12): 1401-1405. Previous Articles

Original Articles

光学活性偶氮苯自组装膜的制备及其蛋白吸附行为

闫福丰赵瑞梁平闫立军
郑先君冯传良张治红

(河南省表界面重点实验室郑州轻工业学院材料与化工学院郑州 450002)

投稿日期:2008-11-19 修回日期:2009-02-23 发布日期:2009-06-28
通讯作者: 张治红

Preparation of Photosensitive Azobenzene Monolayer and Its Protein Adsorption Behavior

Yan, Fufeng Zhao, Rui Liang, Ping Yan, Lijun
Zheng, Xianjun Feng, Chuanliang Zhang, Zhihong*

(Henan Provincial Key Laboratory of Surface & Interface Science, Zhengzhou University of
Light Industry, Zheng zhou, China 450002)

Received:2008-11-19 Revised:2009-02-23 Published:2009-06-28
Contact: Zhang, Zhihong*

Abstract

The photosensitive adsorption of bovine serum albumin (BSA) on 4-{4-[(4-carboxylphenyl)azo]- phenoxy}butane-1-thiol (carboxyl azobenzene thiol, HOOCAzoC4SH) self-assembled monolayer (SAM) was described. The reversible photoisomerization of HOOCAzoC4SH SAM was studied by UV-Vis absorption spectrum and atomic force microscopy (AFM) techniques. Surface plasma resonance (SPR) was employed to investigate the adsorption behavior of BSA on SAM. The photosensitive adsorption of BSA on SAM was firstly studied under UV-Vis light irradiation. The result indicates that the adsorption can be controlled by photoisomerization of azobenzene on SAM.

Key words: bovine serum albumin, azobenzene, self-assembly monolayer, photoisomerization, surface plasma resonance

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光学活性偶氮苯自组装膜的制备及其蛋白吸附行为

Preparation of Photosensitive Azobenzene Monolayer and Its Protein Adsorption Behavior

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