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Abstract

Horseradish peroxidase immobilized on the surface of titanium dioxide nanoparticles and nanotube modified glassy carbon electrode.The HRP direct electron transfer reaction was compared between TiO2 nanoparticles and nanotube GC electrode.The results demonstrated that the HRP on TiO2 nanotube /GC electrode could catalyze electron exchange reaction between electroactivity center of HRP and electrode.And the research of antibody labeled HRP provides a selected signal for antibody-antigen immunoassay.

Keywords

titanium dioxide nanotube, chemically modified electrode, direct electrochemistry, horseradish peroxidase

Publication Date

2007-05-28

Online Available Date

2007-05-28

Revised Date

2007-05-28

Received Date

2007-05-28

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