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ZnO, with high biocompatibility, non-toxicity, chemical stability, electrochemical activities and fast electron communication features, has shown its novel advantages for the fabrication of oxidase-based amperometric biosensors. More importantly, with an isoelectric point about 9.5, ZnO can immobilize acidic proteins (including glucose oxidase) with high bioactivity and stability by electrostatic interactions |
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4Â¥2009-09-17 15:34:08
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