某些生物分子在C_(60)-γ-环糊精/Nafion化学修饰电极上的电催化行为  

Electrocatalytic Behavior of Some Biomolecules at C_(60)-γ-cyclodextrin /Nafion Chemically Modified Electrodes

作　　者：李美仙[1] 李南强[1] 顾镇南[1] 周锡煌[1] 孙亦梁[1] 武永庆[1] 

机构地区：[1]北京大学化学系,北京100871

出　　处：《分析化学》1998年第6期698-702,共5页Chinese Journal of Analytical Chemistry

摘　　要：研究了Ｃ６０－γ－环糊精（Ｃ６０－γ－ＣＤ）（１：１）／Ｎａｆｉｏｎ和Ｃ６０－γ－ＣＤ（１： ２）／Ｎａｆｉｏｎ化学修饰电极在水溶液中的电化学行为，发现它们都有一对一电子转移的可逆表面波，而且它们对某些生物分子有电催化作用。Electrochemical behavior of C60-γ-T-cyclodextrin (1 : 1)/Nafion and C60-γ- cyclodextrin (1: 2)/ Nafion Chemically Modified Electrodes has been studied in an aqueous solution. A couple of reversible surface-confined one-electron-transfer electroreduction waves were detected by cyclic voltammetry. When scanning between -0. 20 and -0. 80 V, experiments indicate that the chemically modifide electrodes have good stability and reproducibility. It is found that the chemically modified electrodes have electrocatalytic activity to some biomolecules such as hemoglobin.cytochrome c.hemin and deoxyribonucleic acid in the medium of 0. 10 mol/L KCI.

关 键 词：环糊精 化学修饰电极 电催化 碳60 生物分子 

分 类 号：O657.1[理学—分析化学]