Journal
ELECTROANALYSIS
Volume 22, Issue 2, Pages 223-228Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.200900306
Keywords
Gold-platinum nanoparticle; Ionic liquids; Multiwalled carbon nanotube; Glucose oxidase; Glucose biosensor; Nanotuves; Biosensors
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Funding
- State Key Laboratory of Chemo/Biosensing and Chemometrics [2007004]
- Hunan University, China
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A novel amperometric glucose biosensor is presented in this article. which is based oil the adsorption of glucose oxidase oil gold-platinum nanoparticle (AuPt NP)-multiwalled carbon nanotube (MWNT) - ionic liquid (i.e., 1-octyl-3-methylimidazolium hexafluorophosphate, [OMIM]PF6) composite. The gold-platinum nanoparticles is prepared through direct electrodeposition. Owing to the synergistic action of AuPt nanoparticle, MWNT and [OMIM]PF6, the biosensor shows good response to glucose, with wide linear range (0.01 to 9.49 mM), short response time (3 s), and high sensitivity (3.47 mu A mM(-1)). With the biosensor the determination of glucose in human serum is performed.
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