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首页> 外文期刊>Crystal growth & design >From cytochrome c crystals to a solid-state electron-transfer device
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From cytochrome c crystals to a solid-state electron-transfer device

机译：从细胞色素C晶体到固态电子传输设备

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摘要

In this work, we performed the physical characterization of cytochrome c (transport properties and temperature dependency) by dynamic light scattering methods. Additionally, the crystallization of one of the isoforms of cytochrome c is presented. The electrochemical fluid cell of the atomic force microscopy (EC-AFM) and the polypyrrole films used as chemical glue allowed cytochrome c crystals to be fixed onto the surface of the working electrode (indium tin oxide, ITO). This also permitted development of a first prototype of a solid-state electron-transfer device based on biological crystals. Finally, using the electrochemistry modulus of the AFM, cyclic voltammetry techniques were performed to characterize the electron-transfer response on the surface of crystals of cytochrome c attached to the electrode. This result confirmed the successful electron-transfer process between the ITO electrode and the protein crystal attached to the working electrode by a film of a conducting polymer (ppy).
机译：在这项工作中，我们通过动态光散射方法对细胞色素c进行了物理表征（运输性质和温度依赖性）。另外，呈现了细胞色素c同工型之一的结晶。原子力显微镜（EC-AFM）的电化学流体池和用作化学胶的聚吡咯膜可将细胞色素c晶体固定在工作电极（氧化铟锡，ITO）的表面上。这也允许开发基于生物晶体的固态电子传输装置的第一原型。最后，使用原子力显微镜的电化学模量，进行了循环伏安法技术来表征附着在电极上的细胞色素c晶体表面上的电子转移响应。该结果证实了ITO电极和通过导电聚合物（ppy）的膜附着在工作电极上的蛋白质晶体之间成功的电子转移过程。

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