Enhanced bioelectrocatalysis using single-walled carbon nanotubes (SWCNTs)/polyaniline hybrid systems in thin-film and microrod structures associated with electrodes

被引：59

作者：

Granot, E ^{[1
]}

Basnar, B ^{[1
]}

Cheglakov, Z ^{[1
]}

Katz, E ^{[1
]}

Willner, I ^{[1
]}

机构：

[1] Hebrew Univ Jerusalem, Inst Chem, IL-91904 Jerusalem, Israel

来源：

ELECTROANALYSIS | 2006年 / 18卷 / 01期

关键词：

bioelectrocatalysis; modified electrode; carbon nanotubes; polyaniline; glucose oxidase; hybrid system;

D O I：

10.1002/elan.200503403

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The charge transport properties in composites consisting of pyrene sulfonic acid-functionalized single-walled carbon nanotubes embedded in polyaniline, PAn/SWCNTs, and polystyrene sulfonate-doped PAn, PAn/PSS, are compared in thin-film and microrods configurations. The PAn/SWCNTs and PAn/PSS microrods were prepared by the electropolymerization of the respective components in porous alumina membranes coated with a conductive gold support, followed by the dissolution of the membrane template. The charge transport upon the oxidation of the PAn/SWCNTs planar film or microrods structures is ca. 3.5-4.0-fold faster than upon the oxidation of the PAn/PSS planar film or microrods structures, respectively. The faster charge transport in the PAn/SWCNTs films and microrods is used to enhance the mediated bioelectrocatalyzed oxidation of glucose in the presence of glucose oxidase (GOx). The bioelectrocatalyzed oxidation of glucose in the presence of the PAn/SWCNTs in the planar film and microrods structures is ca. 2-fold and up to 6-fold (depending on the potential) enhanced as compared to the respective PAn/PSS configurations.

引用

页码：26 / 34

页数：9

共 79 条

[1] Polyaniline and carbon nanotubes based composites containing whole units and fragments of nanotubes [J].

Baibarac, M ;

Baltog, I ;

Lefrant, S ;

Mevellec, JY ;

Chauvet, O .

CHEMISTRY OF MATERIALS, 2003, 15 (21) :4149-4156

[2] Poly(aniline)-poly(acrylate) composite films as modified electrodes for the oxidation of NADH [J].

Bartlett, PN ;

Simon, E .

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2000, 2 (11) :2599-2606

[3] Electroactivity, stability and application in an enzyme switch at pH 7 of poly(aniline)-poly(styrenesulfonate) composite films [J].

Bartlett, PN ;

Wang, JH .

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1996, 92 (20) :4137-4143

[4] Conducting composites of polypyrrole and polyaniline - A review [J].

Bhattacharya, A ;

De, A .

PROGRESS IN SOLID STATE CHEMISTRY, 1996, 24 (03) :141-181

[5] Polyaniline nanotube composites: A high-resolution printable conductor [J].

Blanchet, GB ;

Fincher, CR ;

Gao, F .

APPLIED PHYSICS LETTERS, 2003, 82 (08) :1290-1292

[6] MEASUREMENT OF INTERFACIAL PROCESSES AT ELECTRODE SURFACES WITH THE ELECTROCHEMICAL QUARTZ CRYSTAL MICROBALANCE [J].

BUTTRY, DA ;

WARD, MD .

CHEMICAL REVIEWS, 1992, 92 (06) :1355-1379

[7] Self-assembly and photovoltaic property of covalent-attached multilayer film based on highly sulfonated polyaniline and diazoresin [J].

Cao, TB ;

Wei, LH ;

Yang, SM ;

Zhang, MF ;

Huang, CH ;

Cao, WX .

LANGMUIR, 2002, 18 (03) :750-753

[8]

Chen GZ, 2000, ADV MATER, V12, P522, DOI 10.1002/(SICI)1521-4095(200004)12:7<522::AID-ADMA522>3.0.CO

[9]

2-S

[10] Synthesis of a new polyaniline/nanotube composite:: "in-situ" polymerisation and charge transfer through site-selective interaction [J].

Cochet, M ;

Maser, WK ;

Benito, AM ;

Callejas, MA ;

Martínez, MT ;

Benoit, JM ;

Schreiber, J ;

Chauvet, O .

CHEMICAL COMMUNICATIONS, 2001, (16) :1450-1451

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