The oxidation of cysteine by electrogenerated octacyanomolybdate (v)

文献情報

出版日 2004-02-23

DOI 10.1039/B400141A

インパクトファクター 3.676

著者

Olga Nekrassova, Jessica Kershaw, Jay D. Wadhawan, Nathan S. Lawrence, Richard G. Compton

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要旨

We report on the response of solid carbon electrodes (glassy carbon and boron doped diamond to the one electron oxidation of octacyanomolybdate(IV) in a wide pH range (1–11). Under alkaline conditions the oxidation of octacyanomolybdate(IV) was found to proceed via a EC reaction mechanism, where one electron oxidation to octacyanomolybdate(V) was followed by inner sphere decomposition of the oxidised species. Further, the electrochemical oxidation of octacyanomolybdate(IV) was studied in the presence of thiols (cysteine, homocysteine and glutathione); an electrocatalytic process occurs, where electrochemically generated octacyanomolybdate(V) species is reduced by cysteine back to the parent octacyanomolybdate(IV) species via a E(C)C′ reaction mechanism. DIGISIM™ modelling was utilised in order to confirm the suggested mechanism and obtain relevant kinetic data.

掲載誌

Physical Chemistry Chemical Physics

CiteScore: 5.5

自己引用率: 10.3%

年間論文数: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

The oxidation of cysteine by electrogenerated octacyanomolybdate (v)

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掲載誌

Physical Chemistry Chemical Physics

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