Glucose biosensor based on platinum microparticles dispersed in nano-fibrous polyaniline
作者： Haihui Zhou , Hong Chen , Shenglian Luo , Jinhua Chen , Wanzhi Wei
DOI: 10.1016/J.BIOS.2004.04.024
关键词: Amperometry 、 Enzyme electrode 、 Scanning electron microscope 、 Materials science 、 Platinum 、 Nuclear chemistry 、 Biosensor 、 Organic chemistry 、 Glucose oxidase 、 Polyaniline 、 Ascorbic acid
摘要: A sensitive and selective amperometric glucose biosensor based on platinum microparticles dispersed in nano-fibrous polyaniline (PANI) was investigated. Poly (m-phenylenediamine) (PMPD), which employed as an anti-interferent barrier a protective layer to microparticles, deposited onto platinum-modified PANI the presence of oxidase. The morphology PANI, Pt/PANI PMPD-GOD/Pt/PANI were investigated by scanning electron microscopy. results show that has morphology. enzyme electrode exhibits excellent response performance with linear range from 2 x 10(-6) 12 10(-3) M fast time within 7s. Due permeability PMPD, also shows good anti-interference uric acid ascorbic acid. Michaelis-Menten constant km maximum current density imax 9.34 917.43 microA cm(-2), respectively. Furthermore, this stability reproducibility.
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