One-step rapid synthesis of Ni0.5Co0.5-CPO-27 nanorod array with oxygen vacancies based on DBD microplasma: As an effective non-enzymatic glucose sensor for beverage and human serum

被引：19

作者：

Dong Q. ^{[1
]}

Ling C. ^{[1
]}

Zhao S. ^{[1
]}

Tang X. ^{[1
]}

Zhang Y. ^{[1
]}

Xing Y. ^{[1
]}

Yu H. ^{[1
]}

Huang K. ^{[1
]}

Zou Z. ^{[1
]}

Xiong X. ^{[1
]}

机构：

[1] College of Chemistry and Materials Science, Sichuan Normal University, Sichuan, Chengdu

来源：

Food Chemistry | 2023年 / 407卷

基金：

中国国家自然科学基金;

关键词：

Dielectric barrier discharge (DBD) microplasma; Glucose sensor; Ni[!sub]0.5[!/sub]Co[!sub]0.5[!/sub]-CPO-27; Non-enzymatic; Oxygen vacancies;

D O I：

10.1016/j.foodchem.2022.135144

中图分类号：

学科分类号：

摘要：

The rational design of high-efficiency catalysts for non-enzymatic glucose sensing is extremely important for the timely and effective monitoring of glucose content in beverages and human blood. A 3D bimetallic organic framework (Coordination Polymer of Oslo, CPO) nanorod array with oxygen vacancies was green fabricated on carbon cloth (Ni0.5Co0.5-CPO-27 NRA/CC) using dielectric barrier discharge (DBD) microplasma for the first time. Density functional theory (DFT) calculations demonstrated that the oxygen vacancy of Ni0.5Co0.5-CPO-27 can be effectively induced under DBD microplasma conditions. Based on the 3D nanorod arrays with rich oxygen vacancies and bimetallic synergistic effects, as a non-enzyme glucose sensor, the Ni0.5Co0.5-CPO-27 electrode exhibited a sensitivity of 8499.5 μA L/mmol cm−2 and 3239.2 μA L/mmol cm−2 and a limit of detection (LOD) of 0.16 μmol/L (S/N = 3). It has been successfully applied to the determination of glucose levels in real samples such as cola, green tea and human serum. © 2022 Elsevier Ltd

引用

共 39 条

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