| 吴思远,闫丽君,沈青凤,甄超,蒙泽慧,夏智高,雷炳新,孙伟.血红蛋白在多孔ZnO 纳米球修饰电极上的
直接电化学与电催化[J].海南师范大学学报自科版,2016,29(2):184-188 |
| 血红蛋白在多孔ZnO 纳米球修饰电极上的
直接电化学与电催化 |
| Direct Electrochemistry of Hemoglobin on Mesoporous ZnONanosphere Modified Electrode and Electrocatalysis |
| 投稿时间：2016-01-30 |
| DOI：10.12051/hainansfxyxb.2016.02.014 |
| 中文关键词: 血红蛋白 多孔ZnO纳米球 离子液体修饰碳糊电极 直接电化学 电催化 |
| 英文关键词: hemoglobin mesoporous ZnO nanosphere carbon ionic liquid electrode direct electrochemistry electrocatalysis |
| 基金项目:海南省水环境污染治理与资源化重点实验室开放基金资助课题；海南省自然科学基金（20152016） |
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| 中文摘要: |
| 以1-丁基吡啶六氟磷酸盐作为粘合剂制备的离子液体修饰碳糊电极为基底电极，将多
孔ZnO 纳米球和血红蛋白（Hb）用壳聚糖固定在电极表面制备出电化学酶传感器. 紫外可见光谱和
傅里叶变换红外光谱实验结果表明Hb 在复合膜内保持其基本结构. 通过修饰电极在PH 6.0 的PBS
缓冲溶液中的循环伏安，得到了的一对良好的氧化还原峰，可以证明Hb 分子结构中的电活性中心
与电极之间发生了直接电子转移，对Hb 的电化学行为进行研究，求解了相关的电化学参数，该Hb
修饰电极对三氯乙酸表现出良好的电催化活性. |
| 英文摘要: |
| Ionic liquid 1-butylpyridinium hexafluorophosphate was used as the modifier to prepare a carbon ionic liquid
electrode and used as the base electrode. Mesoporous ZnO nanosphere and hemoglobin (Hb) were immobilized on the CILE
surface by a chitosan film to get an electrochemical sensor. UV-Vis absorption and FT-IR infrared spectra proved that Hb
remained its basic conformation in the composite. Cyclic voltammetric results exhibited a pair of well-defined redox peak in
pH 6.0 PBS, which was ascribed to the direct electron transfer of electroactive center of Hb with the working electrode. Electrochemical behaviors of Hb on the modified electrode were studied and the electrochemical parameters were calculated.
This Hb modified electrode showed excellent electrocatalytic activity to the reduction of tricholoacetic acid. |
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