Direct Electron Transfer of Cytochrome C on Cadmium Oxide Nanoparticles Modified Carbon Paste Electrode

Masoud Negahdary; Seyedeh Anousheh Sadeghi; Masomeh Hamrahi-michak; Saeed Rezaei-Zarchi; Fatemeh Salahi; Narjes Mohammadi; Elahe Azargoon; Aida Sayad

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Direct Electron Transfer of Cytochrome C on Cadmium Oxide Nanoparticles Modified Carbon Paste Electrode

机译：细胞色素C在氧化镉纳米粒子修饰的碳糊电极上的直接电子转移

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In this study, the direct electrochemistry of cytochrome c immobilized on a modified carbon pasteelectrode with cadmium oxide nanoparticles was described. The prepared cadmium oxidenanoparticles were characterized by scanning electron microscope (SEM) and transmission electronmicroscope (TEM). The direct electron transfer of the immobilized cytochrome c exhibited twocouples of redox peaks with the formal potentials of .305 V and -0.244 V (vs. SCE) in 0.1M (pH7.0) PBS, respectively. The biosensor displayed an excellent electro-catalytical response to thereduction of H2O2. The linear range of this biosensor for H2O2 determination was from 20 to 210M.The established biosensor exhibited fast response, high sensitivity, good reproducibility and stability.

机译：在这项研究中，描述了用氧化镉纳米粒子固定化在改性碳糊电极上的细胞色素c的直接电化学。用扫描电子显微镜（SEM）和透射电子显微镜（TEM）对制备的氧化镉纳米颗粒进行表征。在0.1M（pH7.0）PBS中，固定化细胞色素c的直接电子转移显示了两对氧化还原峰，其形式电位分别为.305 V和-0.244 V（vs. SCE）。该生物传感器显示出对H2O2还原的出色的电催化响应。该生物传感器测定H2O2的线性范围为20到210M。建立的生物传感器具有响应速度快，灵敏度高，重现性和稳定性好的特点。

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《International Journal of Electrochemical Science》 |2012年第7期|共11页
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Masoud Negahdary; Seyedeh Anousheh Sadeghi; Masomeh Hamrahi-michak; Saeed Rezaei-Zarchi; Fatemeh Salahi; Narjes Mohammadi; Elahe Azargoon; Aida Sayad;
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机译：铁 - 邻菲啰啉配合物直接混合化学修饰碳糊电极的评价：

Direct Electron Transfer of Cytochrome C on Cadmium Oxide Nanoparticles Modified Carbon Paste Electrode

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