Journal
BIOSENSORS & BIOELECTRONICS
Volume 42, Issue -, Pages 430-433Publisher
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2012.11.011
Keywords
Graphene; Nickel nanoparticle; Carbohydrate; Magnetic loading
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Funding
- Natural Science Foundation of China [NSFC 21075020]
- State Oceanic Administration [201105007]
- Shanghai Science Committee [12441902900]
- Health Ministry of China [2012BAJ25B05]
- Education Ministry of China [NCET-08-0134]
- Key Laboratory of Smart Drug Delivery (Fudan University), Ministry of Education
- People's Liberation Army of China
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Graphene-nickel nanoparticle hybrid was prepared by the one-step far infrared-assisted reduction of graphene oxide and nickel (II) ions using hydrazine. It was loaded on the surface of a magnetic electrode for electrochemical sensing. The feasibility and performance of the novel electrode were demonstrated by measuring carbohydrates using cyclic voltammetry and amperometry. It demonstrated that nickel nanoparticles decorated on graphene sheets exhibited higher electrocatalytic activity toward the oxidation of carbohydrates while graphene improved the electron transduction. The synergistic effect significantly enhanced the current response of carbohydrates. (C) 2012 Elsevier B.V. All rights reserved.
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