title: CuNiO nanoparticles assembled on graphene as an effective platform for enzyme-free glucose sensing.
abstract: We utilized CuNiO nanoparticles modified graphene sheets (CuNiO-graphene) to the application of enzymeless glucose sensing. The hydrothermal synthesized CuNiO nanoparticles were successfully assembled on graphene sheets. Distinct from general method, the high quality pristine graphene was produced by chemical vapor deposition (CVD) and bubbling transferred on the electrode. Incorporating the excellent electronic transport of graphene and high electrocatalytic activity of CuNiO nanoparticles, the CuNiO-graphene nanocomposite modified electrode possessed strong electrocatalytic ability toward glucose in alkaline media. The proposed nonenzymatic glucose sensor exhibited wide linear range up to 16 mM (two parts, from 0.05 to 6.9 mM and 6.9-16 mM) and high sensitivity (225.75 μA mM(-1) cm(-2) and 32.44 μA mM(-1) cm(-2), respectively). Excellent selectivity and acceptable stability were also achieved. Such an electrode would be attractive to sensor construction for its good properties, simple operation and low expense.
authors.affiliation: State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China.
authors.forename: Xiaohui
authors.initials: X
authors.lastname: Zhang
authors.affiliation: State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China.
authors.forename: Qingliang
authors.initials: Q
authors.lastname: Liao
authors.affiliation: State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China.
authors.forename: Shuo
authors.initials: S
authors.lastname: Liu
authors.affiliation: State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China.
authors.forename: Wei
authors.initials: W
authors.lastname: Xu
authors.affiliation: State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China.
authors.forename: Yichong
authors.initials: Y
authors.lastname: Liu
authors.affiliation: State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China. Electronic address: yuezhang@ustb.edu.cn.
authors.forename: Yue
authors.initials: Y
authors.lastname: Zhang
mesh_terms: D001786:Blood Glucose / Q000032:analysis; D003300:Copper / Q000737:chemistry*; D055664:Electrochemical Techniques; D004566:Electrodes; D005947:Glucose / Q000032:analysis*; D006108:Graphite / Q000737:chemistry*; D057230:Limit of Detection; D053761:Nanocomposites / Q000737:chemistry; D053758:Nanoparticles / Q000737:chemistry*; D009532:Nickel / Q000737:chemistry*; D010084:Oxidation-Reduction
chemical_list: D001786:Blood Glucose; D006108:Graphite; D003300:Copper; D009532:Nickel; C028007:nickel monoxide; D005947:Glucose; C030973:cupric oxide
keywords: CVD; CuNiO nanoparticles; Graphene; Nonenzymatic biosensors