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Ultrasensitive and selective non-enzymatic glucose detection based on pt electrode modified by carbon nanotubes@ graphene oxide/ nickel hydroxide-Nafion hybrid composite in alkaline media

Credit to Download: 1 | Page Numbers 10 | Abstract Views: 123
Year: 2018
COI code: JR_PCBR-1-1_001
Paper Language: English

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Authors Ultrasensitive and selective non-enzymatic glucose detection based on pt electrode modified by carbon nanotubes@ graphene oxide/ nickel hydroxide-Nafion hybrid composite in alkaline media

  Sirous Mohammadi - Department of Chemistry, Islamic Azad University, Ilam branch, Ilam, Iran
  Alireza Taheri - Department of Chemistry, Islamic Azad University, Ilam branch, Ilam, Iran
Zeinab Rezayati-Zad - Department of Food and Drug, Faculty of Medicine, Ilam University of Medical Sciences, Ilam, Iran

Abstract:

A new enzymeless glucose sensor has been fabricated and its electrocatalytic oxidation has been investigated in alkaline medium directly on the Pt Electrode modified by Activated carbon nanotubes @ graphene oxide/ nickel hydroxide-Nafion hybrid composite (PtACNT@GONHNPsNf). Under the optimized condition, the calibration curve is linear in the concentration range of 5-1100 µM using cyclic voltammetric method. The detection limit and sensitivity are 0.75 µM and 40 nA, respectively. The glucose sensor can be renewed easily in a reproducible manner by a simple polishing step and it has a long operational lifetime and short response time t90% < 1 s. In addition, the fabrication of Pt with nafion and nickel hydroxide powder was employed to eliminate the interference of ascorbic acid during the catalytic oxidation of glucose. The biosensor was used for determination of glucose in human blood serum and the oxidant with satisfactory results.

Keywords:

Ni(OH)2 nanoparticles, Activated Carbon nanotubes, Nafion, Glucose sensor, graphene oxide

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COI code: JR_PCBR-1-1_001

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Mohammadi, Sirous; Alireza Taheri & Zeinab Rezayati-Zad, 2018, Ultrasensitive and selective non-enzymatic glucose detection based on pt electrode modified by carbon nanotubes@ graphene oxide/ nickel hydroxide-Nafion hybrid composite in alkaline media, Progress in Chemical and Biochemical Research 1 (1), https://www.civilica.com/Paper-JR_PCBR-JR_PCBR-1-1_001.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Mohammadi, Sirous; Alireza Taheri & Zeinab Rezayati-Zad, 2018)
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The University/Research Center Information:
Type: Azad University
Paper No.: 2528
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