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Ferritin-mediated biomimetic synthesis of bimetallic Au–Ag nanoparticles on graphene nanosheets for electrochemical detection of hydrogen peroxide

Li Wang

College of Chemistry, Jilin Normal University, Siping 136000, P. R. China

Corresponding author.

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Jiku Wang

College of Chemistry, Jilin Normal University, Siping 136000, P. R. China

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Pengjuan Ni

State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China

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, and

Zhuang Li

State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China

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https://doi.org/10.1142/S1793604715500447Cited by:4 (Source: Crossref)

Abstract

We demonstrated a biomimetic green synthesis of bimetallic Au–Ag nanoparticles (NPs) on graphene nanosheets (GNs). The spherical protein, ferritin (Fr), was bound onto GNs and served as the template for the synthesis of GN/Au–Ag nanohybrids. The created GN/Au–Ag nanohybrids were further utilized to fabricate a non-enzymatic amperometric biosensor for the sensitive detection of hydrogen peroxide (H₂O₂), and this biosensor displayed high performances to determine H₂O₂ with a detection limit of 20.0 × 10^-6 M and a linear detection range from 2.0 μM to 7.0 mM.

Keywords:

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Vol. 08, No. 04

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History

Received 16 September 2014

Accepted 27 January 2015

Published: 3 March 2015

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Ferritin-mediated biomimetic synthesis of bimetallic Au–Ag nanoparticles on graphene nanosheets for electrochemical detection of hydrogen peroxide

Abstract

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System Upgrade on Tue, May 28th, 2024 at 2am (EDT)

Ferritin-mediated biomimetic synthesis of bimetallic Au–Ag nanoparticles on graphene nanosheets for electrochemical detection of hydrogen peroxide

Abstract

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