Direct electrochemistry of hemoglobin immobilized in sodium alginate film on the ionic liquid [BMIM]PF6 modified carbon paste electrode

被引：0

作者：

Sun, Wei ^{[1
]}

Wang, Dan Dan ^{[1
]}

Gao, Rui Fang ^{[1
]}

Sun, Jian ^{[1
]}

Jiao, Kui ^{[1
]}

机构：

[1] Qingdao Univ Sci & Technol, Coll Chem & Mol Engn, Qingdao 266042, Peoples R China

来源：

CHINESE CHEMICAL LETTERS | 2006年 / 17卷 / 12期

关键词：

hemoglobin; BMIM]PF6; direct electrochemistry; electrocatalysis; chemical modified electrode;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Room temperature ionic liquid (RTILs) [BMIM]PF6 was used as a new kind of binder to construct a chemical modified carbon paste electrode (CPE) and the direct electrochemistry of hemoglobin (Hb), which was immobilized on the surface of RTIL/CPE with the film of sodium alginate hydrogel, was studied by cyclic voltammetry. The presence of RTILs improved the direct electron transfer of Hb and a pair of well-defined quasi-revesible redox peaks appeared in pH 7.0 B-R buffer solution. The cathodic and anodic peak potentials were located at -0.383 V and -0.305 V with the formal potential (E-0') at -0.344 V (vs. SCE). In addition the immobilized Hb showed good electrocatalytic activity to the reduction of H2O2.

引用

页码：1589 / 1591

页数：3

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