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电化学  2012 

纳米金三明治结构调制细胞色素c电子传递特性的分子机理研究

, PP. 263-268

Keywords: 细胞色素c,纳米金,表面增强红外光谱,电化学

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Abstract:

以细胞色素c(Cytc)为模型蛋白,采用表面增强红外吸收光谱监测了三明治结构所吸附的纳米金对氧化还原诱导的Cytc表面增强红外差谱的改变.实验表明,在单层Cytc分子表面组装金纳米粒子,使得血红素的红外差谱特征峰明显增强,这归因于纳米金和血红素之间的电子传递.金纳米粒子与Cytc氧化还原活性中心血红素的相互作用加速了蛋白质的电子传递.这为实现并优化表面吸附蛋白质的直接电化学提供了一种新技术.

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