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膜包封血红素电化学行为的伏安法研究

Voltammetric studies on the electrochemical behaviour of membrane-entrapped hemes.

作者信息

Faraoni A, Santucci R, Campanella L, Tranchida G, Brunori M

机构信息

Department of Biochemical Sciences, University of Roma La Sapienza, Italy.

出版信息

Biol Met. 1990;3(2):122-4. doi: 10.1007/BF01179518.

DOI:10.1007/BF01179518
PMID:2096898
Abstract

The electrochemical behaviour of Fe(III)-protoporphyrin IX entrapped into a cellulose triacetate membrane has been investigated by cyclic voltammetry. The physical entrapment into a solid matrix does not modify the redox properties of the entrapped hemes, which also act as efficient promoters in the electrochemistry of cytochrome c. Such a system represents a promising example of a simple 'solid-state' promoter, and stimulates further investigations in order to obtain more complex systems that may be of significance for basic and applied bioelectrochemistry.

摘要

通过循环伏安法研究了包埋在三醋酸纤维素膜中的Fe(III)-原卟啉IX的电化学行为。物理包埋在固体基质中不会改变所包埋血红素的氧化还原性质,这些血红素在细胞色素c的电化学中也起到有效的促进剂作用。这样的系统代表了一个简单“固态”促进剂的有前景的例子,并刺激了进一步的研究,以获得可能对基础和应用生物电化学具有重要意义的更复杂系统。

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本文引用的文献

1
Potentiometric and other studies on preparations of cytochrome c from ox- and horse-heart muscle.关于从牛心和马心肌中制备细胞色素c的电位测定及其他研究。
Biochem J. 1956 Jan;62(1):21-9. doi: 10.1042/bj0620021.
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Investigation of electron-transfer reactions of proteins by electrochemical methods.用电化学方法研究蛋白质的电子转移反应。
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Indirect coulometric titration of biological electron transport components.生物电子传递成分的间接库仑滴定法。
Anal Chem. 1973 Jun;46(7):1021-6. doi: 10.1021/ac60329a038.
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Direct and indirect electron transfer between electrodes and redox proteins.电极与氧化还原蛋白之间的直接和间接电子转移。
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6
Membrane-entrapped microperoxidase as a 'solid-state' promoter in the electrochemistry of soluble metalloproteins.膜包裹的微过氧化物酶作为可溶性金属蛋白电化学中的“固态”促进剂。
Biochem J. 1989 Nov 15;264(1):301-4. doi: 10.1042/bj2640301.