Abstract
We present a facile electrochemical deposition process to grow zinc oxide (ZnO) nanosheet structures on indium tin oxide (ITO) substrate. The deposited ZnO was applied to immobilization of glucose oxidase and construction of glucose electrochemical biosensor due to a large surface area and good biocompatibility. The direct electron transfer of GOD immobilized on ZnO nanosheets was achieved and could be used to determination of glucose. Such ZnO nanosheet structures provide a good matrix for protein immobilization and biosensor fabrication.
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