CHARACTERIZATION OF A FERROCENE CONTAINING POLYACRYLAMIDE-BASED REDOX GEL FOR BIOSENSOR USE

被引:74
作者
BU, HZ [1 ]
MIKKELSEN, SR [1 ]
ENGLISH, AM [1 ]
机构
[1] CONCORDIA UNIV,DEPT CHEM & BIOCHEM,MONTREAL,PQ H3G 1M8,CANADA
关键词
D O I
10.1021/ac00118a007
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A novel neutral ferrocene-containing polyacrylamide-based redox gel was prepared from the copolymerization of vinylferrocene (VF) with acrylamide and N,N'-methylenebisacrylamide in a one-step procedure, Hydroxypropyl-beta-cyclodextrin (HPCD) was used to convert water-insoluble VF into the water-soluble VF-HPCD inclusion complex, allowing the copolymerization to be performed in aqueous solution. A new ternary catalyst, consisting of flavin mononucleotide, H2O2, and N,N,N',N'-tetramethylethylenediamine, was developed for initiating the polymerization, A redox gel electrode, fabricated by covering the redox gel on the surface of a carbon paste electrode with a dialysis membrane, exhibits quasireversible electrochemical characteristics. The electrocatalytic properties of a glucose biosensor prepared by entrapping glucose oxidase in the redox gel were investigated. The simplicity and reproducibility of its preparation make this new redox gel a good candidate for biosensor applications.
引用
收藏
页码:4071 / 4076
页数:6
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