A Novel Glucose Biosensor Based on Glucose Oxidase Immobilized on AuPt Nanoparticle – Carbon Nanotube – Ionic Liquid Hybrid Coated Electrode | Zendy

Zhang Yafen | Zendy; Guo Gaiping | Zendy; Zhao Faqiong | Zendy; Mo Zhirong | Zendy; Xiao Fei | Zendy; Zeng Baizhao | Zendy

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A Novel Glucose Biosensor Based on Glucose Oxidase Immobilized on AuPt Nanoparticle – Carbon Nanotube – Ionic Liquid Hybrid Coated Electrode

Author(s) -

Zhang Yafen,

Guo Gaiping,

Zhao Faqiong,

Mo Zhirong,

Xiao Fei,

Zeng Baizhao

Publication year - 2010

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.200900306

Subject(s) - glucose oxidase , biosensor , ionic liquid , platinum nanoparticles , amperometry , nanoparticle , carbon nanotube , colloidal gold , platinum , chemistry , electrode , adsorption , materials science , inorganic chemistry , nanotechnology , electrochemistry , catalysis , organic chemistry

A novel amperometric glucose biosensor is presented in this article, which is based on the adsorption of glucose oxidase on gold‐platinum nanoparticle (AuPt NP)‐multiwalled carbon nanotube (MWNT) – ionic liquid (i.e., 1‐octyl‐3‐methylimidazolium hexafluorophosphate, [OMIM]PF 6 ) composite. The gold‐platinum nanoparticles is prepared through direct electrodeposition. Owing to the synergistic action of AuPt nanoparticle, MWNT and [OMIM]PF 6 , 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 μA mM −1 ). With the biosensor the determination of glucose in human serum is performed.

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