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铜锌超氧化物歧化酶(Cu_2Zn_2SOD)在汞电极上的吸附研究 被引量:6

A Study on Adsorption of Copper-Zinc Superoxide Dismutase(Cu_2Zn_2SOD) on Mercury Electrodes
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摘要 Adsorption behaviors of Cu2Zn2SOD on mercury electrodes were studied by the electrostatic capillary curve and the relationship between polarographic ultimate current and height of mercury column in the absence of the mediators. The effects of impure and denatured SOD on cyclic voltammogram were investigated, confirming that no denaturation was caused during adsorption on mercury electrodes. Double potential step chronocoulometry has confirmed that SOD adsorption on mercury electrode to be the absorption of monomolecular layer. Adsorption behaviors Of Cu2Zn2SOD on mercury electrodes were studied by the electrostatic capillary curve and the relationship between polarographic ultimate current and height of mercury column in the absence of the mediators. The effects of impure and denatured SOD on cyclic voltammogram were investigated, confirming that no denaturation was caused during adsorption on mercury electrodes. Double potential-step chronocoulometry has confirmed that SOD adsorption on mercury electrode to be the absorption of monomolecular layer.
出处 《无机化学学报》 SCIE CAS CSCD 北大核心 2003年第7期774-778,共5页 Chinese Journal of Inorganic Chemistry
基金 国家自然科学基金资助项目(No.20171021)。
关键词 铜锌超氧化物歧化酶 Cu2Zn2SOD 汞电极 吸附 循环伏安 双阶跃计时电量 生物电化学 Cu2Zn2SOD mercury electrode adsorption cyclic voltammetry double potential-step chronocoulometry
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