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Bioengineering
单层的合成,装配和表征蛋白质单分子膜的电化学保护的金纳米粒子薄膜
单层的合成,装配和表征蛋白质单分子膜的电化学保护的金纳米粒子薄膜
JoVE Journal
Bioengineering
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JoVE Journal Bioengineering
Synthesis, Assembly, and Characterization of Monolayer Protected Gold Nanoparticle Films for Protein Monolayer Electrochemistry

单层的合成,装配和表征蛋白质单分子膜的电化学保护的金纳米粒子薄膜

Full Text
14,923 Views
14:18 min
October 4, 2011

DOI: 10.3791/3441-v

Tran T. Doan1, Michael H. Freeman2, Adrienne R. Schmidt2, Natalie D. T. Nguyen2, Michael C. Leopold1

1Department of Chemistry, Gottwald Center for the Sciences,University of Richmond, 2Department of Biochemistry and Molecular Biology, Gottwald Center for the Sciences,University of Richmond

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Please note that some of the translations on this page are AI generated. Click here for the English version.

Alkanethiolate稳定的黄金被称为单层保护集群(储值卡)胶体合成,特点,并组装成薄膜作为一个简单的氧化还原蛋白的蛋白质单层的电化学像吸附接口

以下实验的总体目标是合成称为单层保护簇或 MPC 的烷基化稳定金纳米颗粒,并将这些材料组装成薄膜组件,用作 azarin 蛋白单层电化学的吸收界面。这是通过首先用有机配体保护金胶体以产生被 Alcan Pholate 薄膜包围的金纳米颗粒来实现的。接下来,MPC 被锚定到金和玻璃基板上,并联网成多层共价连接的薄膜,其生长通过光学和电化学测量以及横截面显微镜进行跟踪。

然后电子转移蛋白 azarin 在界面处被吸收,并对蛋白质单层电化学进行循环拱室遥测。结果表明,通过该程序创建的 MPC 膜界面允许基于 MPC 膜对吸附蛋白进行更优化的电化学分析,提供更均匀的吸附界面和缺乏传统距离依赖性的快速电子转移动力学。与传统蛋白质电化学相比,该技术的主要优点是,当纳米颗粒膜提供吸收界面时,电极会发生变化,从而产生更理想的电化学行为,如循环光度法测量的那样。

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