Clay;
Dendrimer;
Pt nanoparticles;
Glucose;
Biosensor;
DIRECT ELECTRON-TRANSFER;
DIRECT ELECTROCHEMISTRY;
CARBON-NANOTUBES;
HEMOGLOBIN;
CATALYSIS;
OXIDASE;
ELECTROCATALYSIS;
FILMS;
D O I:
10.1007/s00604-010-0424-z
中图分类号:
O65 [分析化学];
学科分类号:
070302 ;
081704 ;
摘要:
A hybrid system was constructed in neutral aqueous solution that consisted of clay clusters incorporated with platinum nanoparticles that were encapsulated with a poly(amidoamine) dendrimer through electrostatic interaction. Glucose oxidase was immobilized in this hybrid and used to modify a glassy carbon electrode so to obtain an enzymatic glucose biosensor. The nanohybrid material and the sensor were characterized by cyclic voltammetry and amperometry. The sensor has a response time of <3 s and a dynamic range from 0.01 to 16 mM. The detection limit is 4 mu M at a signal-to-noise ratio of 3.
机构:
Sao Paulo State Univ, UNESP, Postgrad Program Mat Sci & Technol, BR-17033360 Bauru, SP, BrazilUniv Fed Sao Carlos, UFSCar, BR-18052780 Sorocaba, SP, Brazil
de Oliveira, R. F.
de Moraes, M. L.
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h-index: 0
机构:
Univ Fed Sao Paulo, UNIFESP, BR-12231280 Sao Jose Dos Campos, SP, BrazilUniv Fed Sao Carlos, UFSCar, BR-18052780 Sorocaba, SP, Brazil
机构:
Sichuan Univ, Coll Mat Sci & Engn, Chengdu 610064, Sichuan, Peoples R ChinaSichuan Univ, Coll Mat Sci & Engn, Chengdu 610064, Sichuan, Peoples R China
Wang, Xiaoyan
Zhang, Yun
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h-index: 0
机构:
Sichuan Univ, Coll Mat Sci & Engn, Chengdu 610064, Sichuan, Peoples R ChinaSichuan Univ, Coll Mat Sci & Engn, Chengdu 610064, Sichuan, Peoples R China
Zhang, Yun
Banks, Craig E.
论文数: 0引用数: 0
h-index: 0
机构:
Manchester Metropolitan Univ, Fac Sci & Engn, Sch Biol Chem & Hlth Sci, Div Chem & Mat, Manchester M1 5GD, Lancs, EnglandSichuan Univ, Coll Mat Sci & Engn, Chengdu 610064, Sichuan, Peoples R China
Banks, Craig E.
Chen, Qiyuan
论文数: 0引用数: 0
h-index: 0
机构:
Cent South Univ, Coll Chem & Chem Engn, Inst Met & Appl Phys Chem, Changsha 910083, Hunan, Peoples R ChinaSichuan Univ, Coll Mat Sci & Engn, Chengdu 610064, Sichuan, Peoples R China
Chen, Qiyuan
Ji, Xiaobo
论文数: 0引用数: 0
h-index: 0
机构:
Cent South Univ, Coll Chem & Chem Engn, Inst Met & Appl Phys Chem, Changsha 910083, Hunan, Peoples R ChinaSichuan Univ, Coll Mat Sci & Engn, Chengdu 610064, Sichuan, Peoples R China
机构:
Bioengineering Program, Dept. of Chem. and Bio, Mat. Eng., Arizona State University, Tempe, AZ, United StatesBioengineering Program, Dept. of Chem. and Bio, Mat. Eng., Arizona State University, Tempe, AZ, United States
Towe, Bruce C.
Pizziconi, Vincent B.
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h-index: 0
机构:
Bioengineering Program, Dept. of Chem. and Bio, Mat. Eng., Arizona State University, Tempe, AZ, United StatesBioengineering Program, Dept. of Chem. and Bio, Mat. Eng., Arizona State University, Tempe, AZ, United States
Pizziconi, Vincent B.
Biosensors and Bioelectronics,
1997,
12
(9-10):
: 893
-
899