Journal
BIOELECTROCHEMISTRY
Volume 74, Issue 1, Pages 62-65Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.bioelechem.2008.06.004
Keywords
Catalytic; Titania; Nanotube array; Nanoparticle; Electrochemical
Funding
- National Science Foundation of China [20475016, 20775024]
- Doctoral Program of Higher Education [20050532024]
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A Gold-Platinum nanoparticle-decorated titania nanotubular electrode is fabricated by electrochemically depositing Au and Pt nanoparticles onto a highly-oriented titania nanotube array. The prepared electrode, characterized by SEM and EDX. shows remarkably improved catalytic activities in the oxidation of hydrogen peroxide. By modifying the electrode with glucose oxidase (GOx) the resultant glucose biosensor exhibits a high sensitivity to glucose in the range of 0 to 1.8 mM with a response time of 3 s and detection limit of 0.1 mm. (C) 2008 Elsevier B.V. All rights reserved.
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