Journal
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Volume 621, Issue 1, Pages 38-42Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2008.04.020
Keywords
ferrocene/SWCNT hybrid; electrical contact; enzyme; electrode
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Funding
- Brain Korea 21 project
- school of Information Technology
- Korea Advanced Institute of Science and Technology
- Education Department of Hubei Province, China
- Korea Science and Engineering Foundation
- MOST [ROA-2007-000-20028-0]
- National Research and Development Program (NRDP) [2005-01274]
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Ferrocene was immobilized on the surfaces of single-walled carbon nanotube (SWCNT) bundles, and the ferrocene/SWCNT hybrid shows a high stability not only in water but also in an organic solvent. Furthermore, the nanohybrid exhibits greatly improved electron-transfer behavior and provides more electrochemical active sites. This study presents an alternative route to reconstitute an electrical contact through a single-walled carbon nanotube-ferrocene hybrid between the active center of glucose oxidase and the electrode. The fabricated glucose biosensor shows a fast rate and a high sensitivity. (C) 2008 Elsevier B.V. All rights reserved.
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