▎ 摘　　要

NOVELTY - Preparing non-enzymatic electrochemical glucose sensor based nano-silver-copper oxide particle/graphene comprises e.g. (i) preparing silver-copper precursor solution, (ii) preparing graphene oxide dispersion, (iii) preparing silver-copper oxide nanoparticle/graphene suspension, (iv) preparing silver-copper oxide nanoparticle/graphene electrode, and (v) silver-copper oxide nanoparticle/graphene electrode used as a working electrode to form three-electrode system with counter electrode and reference electrode to be connected with an electrochemical workstation. USE - The method is useful for preparing non-enzymatic electrochemical glucose sensor based nano-silver-copper oxide particle/graphene (claimed). ADVANTAGE - The sensor: has high sensitivity to detection of glucose, low detection limit and low cost, and is environmentally friendly. DETAILED DESCRIPTION - Preparing non-enzymatic electrochemical glucose sensor based nano-silver-copper oxide particle/graphene comprises (i) dissolving soluble silver salt and soluble copper salt in deionized water, stirring and mixing to obtain silver-copper precursor solution, (ii) dispersing graphene oxide in deionized water to obtain graphene oxide dispersion, (iii) mixing silver-copper precursor solution obtained in step (i) and graphene oxide dispersion obtained in step (ii), then adjusting pH value to 9-11, stirring and mixing, then placing in a reaction vessel, subjecting the mixture to hydrothermal reaction, separating and drying to obtain silver-copper oxide nanoparticle/graphene composite and then dispersing in anhydrous ethanol to obtain silver-copper oxide nanoparticle/graphene suspension, (iv) adding silver-copper oxide nanoparticle/graphene suspension obtained in step (iii) onto the pretreated glassy carbon electrode and drying to obtain silver-copper oxide nanoparticle/graphene electrode, and (v) silver-copper oxide nanoparticle/graphene electrode obtained in step (iv) used as a working electrode to form three-electrode system with counter electrode and reference electrode to be connected with an electrochemical workstation to obtain electrochemical sensor i.e. final product.