GLUCOSE BIOSENSORUSING COVALENTLY IMMOBILISED GLUCOSE-OXIDASE ON A POLY (4-AMINOTHIOPHENOL) /MULTIWALL CARBON NANOTUBES MODIFIED GLASSY CARBON ELECTRODE

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KAMYABI M.A.; SHARIFI RAD S.

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Journal: Journal of Applied Research in Chemistry Year:2016 | Volume:10 | Issue:2 Page(s): 63-71

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Title

GLUCOSE BIOSENSORUSING COVALENTLY IMMOBILISED GLUCOSE-OXIDASE ON A POLY (4-AMINOTHIOPHENOL) /MULTIWALL CARBON NANOTUBES MODIFIED GLASSY CARBON ELECTRODE

Author(s)

KAMYABI M.A. | SHARIFI RAD S. | Issue Writer Certificate

Keywords

GLUCOSE BIOSENSORQ2

GLUCOSE OXIDASEQ2

MULTI-WALLED CARBON NANOTUBEQ2

POLY- (4- AMINOTHIOPHENOL)Q2

Abstract

A highly-sensitive GLUCOSE BIOSENSOR was fabricated by immobilization of GLUCOSE OXIDASE (GOX), onto a poly (4-aminothiophenol) /multi-walled carbon nanotube/glassy carbon electrode (poly (4-ATP) /MWCNT/GCE). Cyclic voltammetry was used for both the electrochemical synthesis of poly- (2, 6-DP) on the surface of a MWCNT-modified GC electrode, and characterization of the polymers deposited on the GC electrode. The synergistic effect of the high active surface area of both the conducting polymers, i.e., poly- (4-ATP) and MWCNT gave rise to a remarkable improvement in the electro catalytic properties of the biosensor. The transfer coefficient (α), heterogeneous electron transfer rate constant, and Michaelis–Menten constant were calculated to be 0.47, 3.2 s-1, and 49.82 mM at pH 7.4, respectively. The GOx/poly (4-ATP) / MWCNT/GC electrode exhibited a linear response to glucose in the concentration ranging from 1 to 450 mM with a correlation coefficient of 0.996, sensitivity of 0.021 mAmM-1cm-2, which could make it a promising bioelectrode for precise detection of glucose in the biological samples.

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APA: Copy

KAMYABI, M.A., & SHARIFI RAD, S.. (2016). GLUCOSE BIOSENSORUSING COVALENTLY IMMOBILISED GLUCOSE-OXIDASE ON A POLY (4-AMINOTHIOPHENOL) /MULTIWALL CARBON NANOTUBES MODIFIED GLASSY CARBON ELECTRODE. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), 10(2), 63-71. SID. https://sid.ir/paper/180025/en

Vancouver: Copy

KAMYABI M.A., SHARIFI RAD S.. GLUCOSE BIOSENSORUSING COVALENTLY IMMOBILISED GLUCOSE-OXIDASE ON A POLY (4-AMINOTHIOPHENOL) /MULTIWALL CARBON NANOTUBES MODIFIED GLASSY CARBON ELECTRODE. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)[Internet]. 2016;10(2):63-71. Available from: https://sid.ir/paper/180025/en

IEEE: Copy

M.A. KAMYABI, and S. SHARIFI RAD, “GLUCOSE BIOSENSORUSING COVALENTLY IMMOBILISED GLUCOSE-OXIDASE ON A POLY (4-AMINOTHIOPHENOL) /MULTIWALL CARBON NANOTUBES MODIFIED GLASSY CARBON ELECTRODE,” JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), vol. 10, no. 2, pp. 63–71, 2016, [Online]. Available: https://sid.ir/paper/180025/en

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