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Copper‐based Metal‐organic Framework for Non‐enzymatic Electrochemical Detection of Glucose
Electroanalysis ( IF 2.7 ) Pub Date : 2018-01-10 , DOI: 10.1002/elan.201700629 Yanmei Sun 1 , Yaxiang Li 1 , Nan Wang 1 , Qing Qing Xu 2 , Ling Xu 2 , Meng Lin 1
Electroanalysis ( IF 2.7 ) Pub Date : 2018-01-10 , DOI: 10.1002/elan.201700629 Yanmei Sun 1 , Yaxiang Li 1 , Nan Wang 1 , Qing Qing Xu 2 , Ling Xu 2 , Meng Lin 1
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A non‐enzymatic electrochemical glucose sensor based on a Cu‐based metal‐organic framework (Cu‐MOF) modified electrode was developed. The Cu‐MOF was prepared by a simple ionothermal synthesis, and the characterizations of the Cu‐MOF were studied by Fourier transform infrared spectroscopy (FT‐IR), scanning electron microscopy (SEM), thermogravimetric analysis (TGA), single‐crystal X‐ray powder diffraction (SCXRD), and X‐ray powder diffraction (XRD). Electrochemical behaviors of the Cu‐MOF modified electrode to glucose were measured by differential pulse voltammetry (DPV). The electrochemical results showed that the Cu‐MOF modified electrode exhibited an excellent electro‐catalytic oxidation towards glucose in the range of 0.06 μM to 5 mM with a sensitivity of 89 μA/mM cm2 and a detection limit of 10.5 nM. Moreover, the fabricated sensor showed a high selectivity to the oxidation of glucose in coexistence with other interferences. The sensor was satisfactorily applied to the determination of glucose in urine samples. With the significant electrochemical performances, MOFs may provide a suitable platform in the construction of kinds of electrochemical sensors and/or biosensors and hold a great promise for sensing applications.
中文翻译：
非酶电化学检测葡萄糖的铜基金属有机框架
开发了一种基于铜基金属有机骨架（Cu-MOF）修饰电极的非酶促电化学葡萄糖传感器。通过简单的离子热合成法制备Cu-MOF，并通过傅立叶变换红外光谱（FT-IR），扫描电子显微镜（SEM），热重分析（TGA），单晶X研究了Cu-MOF的表征。 X射线粉末衍射（SCXRD）和X射线粉末衍射（XRD）。Cu-MOF修饰电极对葡萄糖的电化学行为通过差分脉冲伏安法（DPV）测量。电化学结果表明，Cu-MOF修饰电极在0.06μM至5 mM范围内对葡萄糖表现出优异的电催化氧化作用，灵敏度为89μA/ mM cm 2。检测限为10.5 nM。此外，与其他干扰因素共存时，制成的传感器对葡萄糖氧化具有很高的选择性。该传感器可令人满意地应用于尿液样品中葡萄糖的测定。具有显着的电化学性能，MOF可以为各种电化学传感器和/或生物传感器的构造提供合适的平台，并在传感应用方面具有广阔的前景。
更新日期：2018-01-10
中文翻译：
非酶电化学检测葡萄糖的铜基金属有机框架
开发了一种基于铜基金属有机骨架（Cu-MOF）修饰电极的非酶促电化学葡萄糖传感器。通过简单的离子热合成法制备Cu-MOF，并通过傅立叶变换红外光谱（FT-IR），扫描电子显微镜（SEM），热重分析（TGA），单晶X研究了Cu-MOF的表征。 X射线粉末衍射（SCXRD）和X射线粉末衍射（XRD）。Cu-MOF修饰电极对葡萄糖的电化学行为通过差分脉冲伏安法（DPV）测量。电化学结果表明，Cu-MOF修饰电极在0.06μM至5 mM范围内对葡萄糖表现出优异的电催化氧化作用，灵敏度为89μA/ mM cm 2。检测限为10.5 nM。此外，与其他干扰因素共存时，制成的传感器对葡萄糖氧化具有很高的选择性。该传感器可令人满意地应用于尿液样品中葡萄糖的测定。具有显着的电化学性能，MOF可以为各种电化学传感器和/或生物传感器的构造提供合适的平台，并在传感应用方面具有广阔的前景。
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