Fabrication of Co<sub>3</sub>O<sub>4</sub>/NiCo<sub>2</sub>O<sub>4</sub> Nanocomposite for Detection of H<sub>2</sub>O<sub>2</sub> and Dopamine

Fabrication of Co<sub>3</sub>O<sub>4</sub>/NiCo<sub>2</sub>O<sub>4</sub> Nanocomposite for Detection of H<sub>2</sub>O<sub>2</sub> and Dopamine

Herein, the Co<sub>3</sub>O<sub>4</sub>/NiCo<sub>2</sub>O<sub>4</sub> nanocomposite has been prepared as a novel electrochemical sensor to accurately detect hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) and glucose. ZIF-67 is a...

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Autores principales: Tianjiao Liu, Xiaoyuan Zhang, Kun Fu, Nan Zhou, Jinping Xiong, Zhiqiang Su
Formato: article
Lenguaje:EN
Publicado: MDPI AG 2021
Materias:
ZIF-67
Co<sub>3</sub>O<sub>4</sub>
NiCo<sub>2</sub>O<sub>4</sub>
electrochemical biosensor
H<sub>2</sub>O<sub>2</sub>
dopamine
Biotechnology
TP248.13-248.65
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spelling oai:doaj.org-article:1c1dc73684f247a3b1884ab592e0976c2021-11-25T16:55:35ZFabrication of Co<sub>3</sub>O<sub>4</sub>/NiCo<sub>2</sub>O<sub>4</sub> Nanocomposite for Detection of H<sub>2</sub>O<sub>2</sub> and Dopamine10.3390/bios111104522079-6374https://doaj.org/article/1c1dc73684f247a3b1884ab592e0976c2021-11-01T00:00:00Zhttps://www.mdpi.com/2079-6374/11/11/452https://doaj.org/toc/2079-6374Herein, the Co<sub>3</sub>O<sub>4</sub>/NiCo<sub>2</sub>O<sub>4</sub> nanocomposite has been prepared as a novel electrochemical sensor to accurately detect hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) and glucose. ZIF-67 is a metal-organic framework (MOF) with Co as the center metal ion. Co<sub>3</sub>O<sub>4</sub> can be obtained by calcination of ZIF-67 at 700 °C, which can retain the structure of ZIF-67. The hollow Co<sub>3</sub>O<sub>4</sub> nanocrystal was synthesized based on a calcination process of ZIF-67. This open structure can promote the whole Co<sub>3</sub>O<sub>4</sub>/NiCo<sub>2</sub>O<sub>4</sub> nanocomposite larger accessible surface area and reactive sites. Co<sub>3</sub>O<sub>4</sub> has good electrocatalytic performance, which has been applied in many fields. Moreover, H<sub>2</sub>O<sub>2</sub> and dopamine sensing tests indicate that the as-prepared non-enzymatic electrochemical biosensor has good detection properties. The testing results indicate the as-prepared biosensor has a wide detection range, low detection limit, high selectivity, and long-term stability. These testing results suggest the potential application in food security, biomedicine, environmental detection, and pharmaceutical analysis.Tianjiao LiuXiaoyuan ZhangKun FuNan ZhouJinping XiongZhiqiang SuMDPI AGarticleZIF-67Co<sub>3</sub>O<sub>4</sub>NiCo<sub>2</sub>O<sub>4</sub>electrochemical biosensorH<sub>2</sub>O<sub>2</sub>dopamineBiotechnologyTP248.13-248.65ENBiosensors, Vol 11, Iss 452, p 452 (2021)
institution DOAJ
collection DOAJ
language EN
topic ZIF-67
Co<sub>3</sub>O<sub>4</sub>
NiCo<sub>2</sub>O<sub>4</sub>
electrochemical biosensor
H<sub>2</sub>O<sub>2</sub>
dopamine
Biotechnology
TP248.13-248.65
spellingShingle ZIF-67
Co<sub>3</sub>O<sub>4</sub>
NiCo<sub>2</sub>O<sub>4</sub>
electrochemical biosensor
H<sub>2</sub>O<sub>2</sub>
dopamine
Biotechnology
TP248.13-248.65
Tianjiao Liu
Xiaoyuan Zhang
Kun Fu
Nan Zhou
Jinping Xiong
Zhiqiang Su
Fabrication of Co<sub>3</sub>O<sub>4</sub>/NiCo<sub>2</sub>O<sub>4</sub> Nanocomposite for Detection of H<sub>2</sub>O<sub>2</sub> and Dopamine
description Herein, the Co<sub>3</sub>O<sub>4</sub>/NiCo<sub>2</sub>O<sub>4</sub> nanocomposite has been prepared as a novel electrochemical sensor to accurately detect hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) and glucose. ZIF-67 is a metal-organic framework (MOF) with Co as the center metal ion. Co<sub>3</sub>O<sub>4</sub> can be obtained by calcination of ZIF-67 at 700 °C, which can retain the structure of ZIF-67. The hollow Co<sub>3</sub>O<sub>4</sub> nanocrystal was synthesized based on a calcination process of ZIF-67. This open structure can promote the whole Co<sub>3</sub>O<sub>4</sub>/NiCo<sub>2</sub>O<sub>4</sub> nanocomposite larger accessible surface area and reactive sites. Co<sub>3</sub>O<sub>4</sub> has good electrocatalytic performance, which has been applied in many fields. Moreover, H<sub>2</sub>O<sub>2</sub> and dopamine sensing tests indicate that the as-prepared non-enzymatic electrochemical biosensor has good detection properties. The testing results indicate the as-prepared biosensor has a wide detection range, low detection limit, high selectivity, and long-term stability. These testing results suggest the potential application in food security, biomedicine, environmental detection, and pharmaceutical analysis.
format article
author Tianjiao Liu
Xiaoyuan Zhang
Kun Fu
Nan Zhou
Jinping Xiong
Zhiqiang Su
author_facet Tianjiao Liu
Xiaoyuan Zhang
Kun Fu
Nan Zhou
Jinping Xiong
Zhiqiang Su
author_sort Tianjiao Liu
title Fabrication of Co<sub>3</sub>O<sub>4</sub>/NiCo<sub>2</sub>O<sub>4</sub> Nanocomposite for Detection of H<sub>2</sub>O<sub>2</sub> and Dopamine
title_short Fabrication of Co<sub>3</sub>O<sub>4</sub>/NiCo<sub>2</sub>O<sub>4</sub> Nanocomposite for Detection of H<sub>2</sub>O<sub>2</sub> and Dopamine
title_full Fabrication of Co<sub>3</sub>O<sub>4</sub>/NiCo<sub>2</sub>O<sub>4</sub> Nanocomposite for Detection of H<sub>2</sub>O<sub>2</sub> and Dopamine
title_fullStr Fabrication of Co<sub>3</sub>O<sub>4</sub>/NiCo<sub>2</sub>O<sub>4</sub> Nanocomposite for Detection of H<sub>2</sub>O<sub>2</sub> and Dopamine
title_full_unstemmed Fabrication of Co<sub>3</sub>O<sub>4</sub>/NiCo<sub>2</sub>O<sub>4</sub> Nanocomposite for Detection of H<sub>2</sub>O<sub>2</sub> and Dopamine
title_sort fabrication of co<sub>3</sub>o<sub>4</sub>/nico<sub>2</sub>o<sub>4</sub> nanocomposite for detection of h<sub>2</sub>o<sub>2</sub> and dopamine
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/1c1dc73684f247a3b1884ab592e0976c
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_version_ 1718412822572957696

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