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A non-enzymatic glucose sensing nanocomposite comprised of CoFe 2 O 4  nanosheets grown on Reduced Graphene Oxide (CoFe 2 O 4 @rGO) has been triumphantly prepared by a facile co-precipitation process. The characterisation results reveal that the CoFe 2 O 4  nanosheets are vertically grown on the rGO substrate and form a porous network structure.    Next, Electrochemical workstation is applied to study the glucose detection performance of the CoFe 2 O 4 @rGO. The sensing tests exhibit that when the volume ratio of anhydrous ethanol and deionised water is 10 ml: 30 ml, the fabricated CoFe 2 O 4 @rGO has better glucose detection performance. Its linear detection ranges from 0.5 mM – 10 mM and 10 mM – 35 mM, and the sensitivity reaches 50.5 μAmM −1 cm −2  and 143.6 μAmM −1 cm −2  respectively, which is significantly better than the previously reported non-enzyme glucose sensing materials. Furthermore, the CoFe 2 O 4 @rGO has good anti-interference and stability.

Non-enzymatic glucose sensor fabricated by CoFe 2 O 4 nanosheets grown on Reduced Graphene Oxide