Direct Electrochemistry and Electrocatalysis of Hemoglobin - TiO2 Whisker Film Modified Glassy Carbon Electrode

被引:12
|
作者
Song, Min [2 ]
Feng, Xin [3 ]
Lu, Xiaohua [3 ]
Wang, Xuemei [1 ]
机构
[1] Southeast Univ, State Key Lab Bioelect, Chien Shiung WU Lab, Nanjing 210096, Peoples R China
[2] Southeast Univ, Sch Energy & Environm, Nanjing 210096, Peoples R China
[3] Nanjing Univ Technol, Coll Chem Engn, Nanjing 210009, Peoples R China
关键词
TiO2; whisker; Electrocatalysis; Hemoglobin; Electron transfer; LAYER-BY-LAYER; PASTE ELECTRODE; NITRIC-OXIDE; PROTEINS; ADSORPTION; NANOTUBES; MYOGLOBIN;
D O I
10.1002/elan.200900317
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
In this study, Hb-TiO2 whisker nanocomposites are prepared by incorporating TiO2 whisker with hemoglobin (Hb). Our studies illustrate that the self-assembled Hb-TiO2 whisker films could efficiently facilitate the direct electron transfer of Hb on glassy carbon electrode (GCE). Moreover, our results demonstrate that the catalytic activity to the reduction of H2O2 could be observed on the Hb-TiO2 whisker modified GCE and the photovoltaic effect of TiO2 whisker can greatly enhance the detection sensitivity of electrocatalytic reduction.
引用
收藏
页码:668 / 672
页数:5
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