Synergic Effect of Naphthylated Carbon Nanotubes and Gold Nanoparticles on Catalytic Performance of Hybrid Films Containing Bilirubin Oxidase for the Dioxygen Reduction

被引：6

作者：

Grippo, Valentina ^{[1
]}

Pawlowska, Joanna ^{[1
]}

Biernat, Jan F. ^{[2
]}

Bilewicz, Renata ^{[1
]}

机构：

[1] Univ Warsaw, Fac Chem, Pasteura 1, PL-02093 Warsaw, Poland

[2] Gdansk Univ Technol, Fac Chem, Narutowicza 11-12, PL-80233 Gdansk, Poland

来源：

ELECTROANALYSIS | 2017年 / 29卷 / 01期

关键词：

bilirubin oxidase; cubic phase; gold nanoparticles; multi-walled carbon nanotubes; oxygen reduction reaction; BIOELECTROCATALYTIC REDUCTION; CUBIC PHASE; OXYGEN; ELECTRODES; BIOSENSORS; CATHODE; GLUCOSE; ENZYMES; CELLS;

D O I：

10.1002/elan.201600511

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

To improve the direct electron transfer from a multicopper oxidase MvBOd to the glassy carbon electrode surface the naphthylated multiwall carbon nanotubes (Napht-MWCNTs) are combined with gold nanoparticles (AuNPs) to form a conductive network at the electrode and to increase its working surface. Such approach allowed to eliminate the necessity of employing mediators to reach elevated current values. The enzyme stability was improved by accommodating it in a biomimetic film of lipidic liquid-crystalline mesophase of cubic symmetry. The cubic phase hosted the enzyme in its fully active form for days of continuous work of the electrode.

引用

页码：103 / 109

页数：7

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