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NiO hollow nanospheres were synthesized by controlled precipitation of metal ions with urea using carbon microspheres as templates, which were for the first time adopted to construct a novel amperometric glucose biosensor. Glucose oxidase was immobilized on the surface of hollow nanospheres through chitosan-assisted cross-linking technique. Due to the high specific active sites and high electrocatalytic...
A surface treated nanoporous ZrO 2 /Chitosan composite matrix was developed to fabricate the glucose biosensor. This material combined the advantages of inorganic nanoparticles, ZrO 2 , and organic polymer, Chitosan. Glucose oxidase immobilized in the material maintained its activity well as the usage of glutaraldehyde was avoided. The activity of enzyme was 5.02 times greater than...
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