Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 113, Issue 32, Pages 14071-14075Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp906348x
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Funding
- NTU
- AcRF Tier I [RG 20/07]
- MOE
- POC [S08/1-82563404]
- EDB in Singapore
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A direct electrochemical method to reduce single-layer graphene oxide (GO) adsorbed on the 3-aminopropyltriethoxysilane (APTES)-modified conductive electrodes is proposed. The reduced GO adsorbed on glassy carbon electrode was modified with glucose oxidase (GOx) by covalent bonding via a polymer generated by electrografting N-succinimidyl acrylate (NSA). The direct electron transfer between the electrode and GOx molecules was realized. The bioactivity of GOx maintains very well on the electrode. The thus-prepared GOx-modified electrode was successfully used to detect glucose.
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