Citation: Fa Ming TIAN, Bo XU, Guo Yi ZHU. A Hydrogen Peroxide Biosensor Combined HRP Doped Polypyrrole with Ferrocene Modified Sol-gel Derived Composite Carbon Electrode[J]. Chinese Chemical Letters, ;2001, 12(7): 625-728. shu

A Hydrogen Peroxide Biosensor Combined HRP Doped Polypyrrole with Ferrocene Modified Sol-gel Derived Composite Carbon Electrode

Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 26 December 2000

A novel amperometric biosensor for the detection of hydrogen peroxide is described.The biosensor was constructed by electrodepositing HRP/PPy membrane on the surface of ferrocenecarboxylic acid mediated sol-gel derived composite carbon electrode. The biosensor gives response to hydrogen peroxide in a few seconds with detection limit of 5×l0^-7 mol · L^-1 (based on signal:noise=3). Linear range is up to 0.2 mmol · L^-1.
- Hydrogen peroxide polypyrrole,
- biosensor,
- composite carbon electrode.
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