Nickel-Cobalt Oxide Decorated Three-Dimensional Graphene as an Enzyme Mimic for Glucose and Calcium Detection

Meiyan Wu; Shangjun Meng; Qian Wang; Weili Si; Wei Huang; Xiaochen Dong

doi:10.1021/acsami.5b06299

Nickel-Cobalt Oxide Decorated Three-Dimensional Graphene as an Enzyme Mimic for Glucose and Calcium Detection

Meiyan Wu, Shangjun Meng, Qian Wang, Weili Si, Wei Huang, Xiaochen Dong

Nanjing Tech University

科研成果: 期刊稿件 › 文章 › 同行评审

117 引用（Scopus）

摘要

Glucose and calcium ion play key roles in human bodies. The needlelike NiCo₂O₄ nanostructures are in situ deposited on three-dimensional graphene foam (3DGF) by a facile hydrothermal procedure. The structure and morphology of the hierarchical NiCo₂O₄/3DGF are characterized by scanning electron microscopy, transmission electron microscopy, and X-ray diffraction. With the self-standing NiCo₂O₄/3DGF as electrochemical electrode, it can realize the high-sensitivity detections for glucose and calcium ion. The limit of detection can reach 0.38 and 4.45 μM, respectively. In addition, the electrochemical electrode presents excellent selectivity for glucose and calcium ion. This study demonstrates that NiCo₂O₄/3DGF is a unique and promising material for practical application in both glucose and calcium ion sensing.

源语言	英语
页（从-至）	21089-21094
页数	6
期刊	ACS Applied Materials and Interfaces
卷	7
期	38
DOI	https://doi.org/10.1021/acsami.5b06299
出版状态	已出版 - 30 9月 2015
已对外发布	是

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title = "Nickel-Cobalt Oxide Decorated Three-Dimensional Graphene as an Enzyme Mimic for Glucose and Calcium Detection",

abstract = "Glucose and calcium ion play key roles in human bodies. The needlelike NiCo2O4 nanostructures are in situ deposited on three-dimensional graphene foam (3DGF) by a facile hydrothermal procedure. The structure and morphology of the hierarchical NiCo2O4/3DGF are characterized by scanning electron microscopy, transmission electron microscopy, and X-ray diffraction. With the self-standing NiCo2O4/3DGF as electrochemical electrode, it can realize the high-sensitivity detections for glucose and calcium ion. The limit of detection can reach 0.38 and 4.45 μM, respectively. In addition, the electrochemical electrode presents excellent selectivity for glucose and calcium ion. This study demonstrates that NiCo2O4/3DGF is a unique and promising material for practical application in both glucose and calcium ion sensing.",

keywords = "3D graphene, calcium ion, cobalt nickel oxide, glucose, sensitivity sensing",

author = "Meiyan Wu and Shangjun Meng and Qian Wang and Weili Si and Wei Huang and Xiaochen Dong",

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AU - Wu, Meiyan

AU - Meng, Shangjun

AU - Wang, Qian

AU - Si, Weili

AU - Huang, Wei

AU - Dong, Xiaochen

PY - 2015/9/30

Y1 - 2015/9/30

N2 - Glucose and calcium ion play key roles in human bodies. The needlelike NiCo2O4 nanostructures are in situ deposited on three-dimensional graphene foam (3DGF) by a facile hydrothermal procedure. The structure and morphology of the hierarchical NiCo2O4/3DGF are characterized by scanning electron microscopy, transmission electron microscopy, and X-ray diffraction. With the self-standing NiCo2O4/3DGF as electrochemical electrode, it can realize the high-sensitivity detections for glucose and calcium ion. The limit of detection can reach 0.38 and 4.45 μM, respectively. In addition, the electrochemical electrode presents excellent selectivity for glucose and calcium ion. This study demonstrates that NiCo2O4/3DGF is a unique and promising material for practical application in both glucose and calcium ion sensing.

AB - Glucose and calcium ion play key roles in human bodies. The needlelike NiCo2O4 nanostructures are in situ deposited on three-dimensional graphene foam (3DGF) by a facile hydrothermal procedure. The structure and morphology of the hierarchical NiCo2O4/3DGF are characterized by scanning electron microscopy, transmission electron microscopy, and X-ray diffraction. With the self-standing NiCo2O4/3DGF as electrochemical electrode, it can realize the high-sensitivity detections for glucose and calcium ion. The limit of detection can reach 0.38 and 4.45 μM, respectively. In addition, the electrochemical electrode presents excellent selectivity for glucose and calcium ion. This study demonstrates that NiCo2O4/3DGF is a unique and promising material for practical application in both glucose and calcium ion sensing.

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KW - calcium ion

KW - cobalt nickel oxide

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KW - sensitivity sensing

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Nickel-Cobalt Oxide Decorated Three-Dimensional Graphene as an Enzyme Mimic for Glucose and Calcium Detection

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