Direct Electrochemistry and Electrocatalysis of Horseradish Peroxidase Immobilized in a DNA/Chitosan-Fe3O4 Magnetic Nanoparticle Bio-Complex Film

Direct Electrochemistry and Electrocatalysis of Horseradish Peroxidase Immobilized in a DNA/Chitosan-Fe3O4 Magnetic Nanoparticle Bio-Complex Film

A DNA/chitosan-Fe3O4 magnetic nanoparticle bio-complex film was constructed for the immobilization of horseradish peroxidase (HRP) on a glassy carbon electrode. HRP was simply mixed with DNA, chitosan and Fe3O4 nanoparticles, and then applied to the electrode surface to form an enzyme-incorporated p...

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Bibliographic Details
Main Authors:	Tingting Gu, Jianli Wang, Hongqi Xia, Si Wang, Xiaoting Yu
Format:	Article
Language:	English
Published:	MDPI AG 2014-02-01
Series:	Materials
Subjects:	horseradish peroxidase direct electron transfer DNA/chitosan polyion complex film Fe3O4 magnetic nanoparticles H2O2 biosensors
Online Access:	http://www.mdpi.com/1996-1944/7/2/1069

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