Ex situ Voltammetry and Chronopotentiometry of Doxorubicin at a Pyrolytic Graphite Electrode: Redox and Catalytic Properties and Analytical Applications

Vacek J; Havran L; Fojta M

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Ex situ Voltammetry and Chronopotentiometry of Doxorubicin at a Pyrolytic Graphite Electrode: Redox and Catalytic Properties and Analytical Applications

机译：热解石墨电极上阿霉素的异位伏安法和计时电位法：氧化还原和催化性能及分析应用

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Ex situ (adsorptive transfer stripping) electrochemical techniques in connection with basal-plane PGE have been applied to the study of redox and catalytic properties of doxorubicin (DOX). Cyclic and square-wave voltammetry and constant current chronopotentiometric stripping (CPS) analysis were used to follow reversible reduction of DOX quinone moiety around -0.5 V and its Coupling to catalytic oxygen reduction. CPS was for the first time used for sensitive ex situ determination of the DOX using the catalytic signal around - 0.5 V in the presence of oxygen, allowing detection of femtomole amounts of DOX. We show that specific interaction of DOX with double-stranded DNA can easily be monitored using the catalytic CPS signal.

机译：与基面PGE结合的非原位（吸附转移剥离）电化学技术已被用于研究阿霉素（DOX）的氧化还原和催化性能。循环和方波伏安法以及恒定电流计时电位溶出（CPS）分析用于跟踪DOX醌部分在-0.5 V附近的可逆还原以及其与催化氧还原的耦合。 CPS首次用于在氧气存在下使用-0.5 V左右的催化信号灵敏地异位测定DOX，从而可以检测飞摩尔量的DOX。我们表明，DOX与双链DNA的特定相互作用可以很容易地使用催化CPS信号进行监测。

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《Electroanalysis》 |2009年第19期|共6页
作者
Vacek J; Havran L; Fojta M;
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正文语种 eng
中图分类电化学、电解、磁化学;
关键词
Doxorubicin; Pyrolytic graphite electrode; Chronopotentiometry; Voltammetry; Adsorptive transfer stripping; Nucleic acids;

机译：阿霉素;热解石墨电极;计时电位法;伏安法;吸附转移溶出;核酸;

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1. Ex situ Voltammetry and Chronopotentiometry of Doxorubicin at a Pyrolytic Graphite Electrode: Redox and Catalytic Properties and Analytical Applications [J] . Vacek J, Havran L, Fojta M Electroanalysis . 2009,第19期

机译：热解石墨电极上阿霉素的异位伏安法和计时电位法：氧化还原和催化性能及分析应用
2. Oxidation of sanguinarine and its dihydro-derivative at a pyrolytic graphite electrode using ex situ voltammetry. study of the interactions of the alkaloids with DNA [J] . Vacek J., Vrublová E., Kubala M., Electroanalysis . 2011,第7期

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Ex situ Voltammetry and Chronopotentiometry of Doxorubicin at a Pyrolytic Graphite Electrode: Redox and Catalytic Properties and Analytical Applications

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