FABRICATION OF A SENSITIVE ELECTROCHEMICAL BIOSENSOR FOR HYDROGEN PEROXIDE USING THE IMMOBILIZED HEMOGLOBIN ON A NANOCOMPOSITE CONSIST OF IRON-NICKEL ALLOYS AND MULTI-WALLED CARBON NANOTUBES

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BAGHAYERI MAHDI; MALEKI BEHROUZ; FARHADI SAMANE

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Journal: JOURNAL OF APPLIED CHEMISTRY Year:2016 | Volume:11 | Issue:38 Page(s): 101-122

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Title

FABRICATION OF A SENSITIVE ELECTROCHEMICAL BIOSENSOR FOR HYDROGEN PEROXIDE USING THE IMMOBILIZED HEMOGLOBIN ON A NANOCOMPOSITE CONSIST OF IRON-NICKEL ALLOYS AND MULTI-WALLED CARBON NANOTUBES

Author(s)

BAGHAYERI MAHDI | MALEKI BEHROUZ | FARHADI SAMANE | Issue Writer Certificate

Keywords

BIOSENSORSQ1

CARBON PASTE ELECTRODESQ1

NQ2

CRYSTALLINE IRONQ2

NICKELQ1

MULTIQ1

WALLED CARBON NANOTUBESQ1

Abstract

In this study, we investigate the direct electron-transfer reactivity of immobilized hemoglobin (Hb) onto the surface of a CARBON PASTE ELECTRODES (CPE) modified with Nanocomposite consist of iron-nickel alloys and MULTI-walled carbon Nanotubes. Fe-Ni Nanocrystals were synthesized by a simple chemical method and then by various methods such as scanning electron microscopy (SEM), transmission electron microscopy (TEM) and X-ray diffraction (XRD) have been characterized. The simultaneous presence of Nanocrystals of Nickel-iron (Fe@Ni) and MULTI-walled carbon Nanotubes (MWCNT) in structure of modified electrode provides a unique structure for reliable and effective interaction of Hb whit surface of electrode. The immobilized Hb maintains its bioactivities and displays an excellent electrochemical behavior. The biosensor was used to catalyze the reduction of hydrogen peroxide. The electrochemical behavior of modified electrode by various techniques such as cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were evaluated. The electrocatalytic response showed a linear dependence on the H2O2 concentration ranging widely from 5.0 to 250.0 mM with a detection limit of 1.43 mM.

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APA: Copy

BAGHAYERI, MAHDI, MALEKI, BEHROUZ, & FARHADI, SAMANE. (2016). FABRICATION OF A SENSITIVE ELECTROCHEMICAL BIOSENSOR FOR HYDROGEN PEROXIDE USING THE IMMOBILIZED HEMOGLOBIN ON A NANOCOMPOSITE CONSIST OF IRON-NICKEL ALLOYS AND MULTI-WALLED CARBON NANOTUBES. JOURNAL OF APPLIED CHEMISTRY, 11(38), 101-122. SID. https://sid.ir/paper/243298/en

Vancouver: Copy

BAGHAYERI MAHDI, MALEKI BEHROUZ, FARHADI SAMANE. FABRICATION OF A SENSITIVE ELECTROCHEMICAL BIOSENSOR FOR HYDROGEN PEROXIDE USING THE IMMOBILIZED HEMOGLOBIN ON A NANOCOMPOSITE CONSIST OF IRON-NICKEL ALLOYS AND MULTI-WALLED CARBON NANOTUBES. JOURNAL OF APPLIED CHEMISTRY[Internet]. 2016;11(38):101-122. Available from: https://sid.ir/paper/243298/en

IEEE: Copy

MAHDI BAGHAYERI, BEHROUZ MALEKI, and SAMANE FARHADI, “FABRICATION OF A SENSITIVE ELECTROCHEMICAL BIOSENSOR FOR HYDROGEN PEROXIDE USING THE IMMOBILIZED HEMOGLOBIN ON A NANOCOMPOSITE CONSIST OF IRON-NICKEL ALLOYS AND MULTI-WALLED CARBON NANOTUBES,” JOURNAL OF APPLIED CHEMISTRY, vol. 11, no. 38, pp. 101–122, 2016, [Online]. Available: https://sid.ir/paper/243298/en

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