Ferrocene and its electrochemical behavior with DNA complexes

Ferrocene (Fc) is a kind of electron-rich compound. Due to its aromaticity, redox activity, stability and low toxicity, ferrocene has been widely used [1é„„3]. Ferrocene is good. Redox activity can provide an ideal model system for investigating complex electrochemical kinetic processes. The voltammetric behavior of ferrocene on platinum, gold, and glassy carbon electrodes has been reported [4é„„6], but carbon nanotubes have been used. CNT) modified electrodes for the electrochemical behavior of ferrocene are rarely reported. Carbon nanotubes were discovered in 1991 with peculiar electrical properties, obvious quantum effects, large specific surface area, high stability and strong adsorption. Sexual materials, its application to the study of the electrochemical behavior of ferrocene has important practical significance. Deoxyribonucleic acid (DNA) is an important genetic material of organisms. In recent years, DNA complexes with metal complexes as indicators The research of chemical sensors has attracted wide attention. The indicators of this type of sensors are a class of electroactive compounds that bind DNA in different modes of action. There are usually three modes of action: insertion, groove bonding and static. Electrolysis. Ferrocene can be used as an indicator of DNA electrochemical sensors because it has two freely rotatable cyclopentadiene rings that are hydrophobic and stacking with DNA bases. Therefore, we can use cyclic voltammetry. Methods, differential pulse voltammetry, rotating disk electrode experiments, AC impedance method and other techniques were used to study the electrochemical behavior of ferrocene on rotating CNT modified electrodes, and then discussed under diffusion control and electrochemical control. The interaction of bovine thymus DNA.

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