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首页> 外文期刊>Electroanalysis >Sensitivity Enhancement in Nickel Hydroxide/3D-Graphene as Enzymeless Glucose Detection
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Sensitivity Enhancement in Nickel Hydroxide/3D-Graphene as Enzymeless Glucose Detection

机译：氢氧化镍/ 3D石墨烯作为无酶葡萄糖检测的灵敏度增强

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摘要

A nickel hydroxide (Ni(OH)(2))/3D-graphene composite is used as monolithic free-standing electrode for enzymeless electrochemical detection of glucose. Ni(OH)(2) nanoflakes are synthesized by using a simple solution growth procedure on 3D-graphene foam which was grown by chemical vapor deposition (CVD). The pore structure of 3D-graphene allows easy access to glucose with high surface area, which leads to glucose detection with an ultrahigh sensitivity of 3.49mAmM(-1)cm(-2) and a significant lower detection limit up to 24nM. Cyclic voltammetry (CV) and potentionstatic mode is used for non-enzymatic glucose sensing. The impedance and effective surface area have been studied well. The high sensitivity, low detection limit and simple configuration of Ni(OH)(2)/three dimensional (3D)-graphene composite electrodes can evoke its industrial application in glucose sensing devices.
机译：氢氧化镍（Ni（OH）（2））/ 3D-石墨烯复合材料用作用于葡萄糖的无酶电化学检测的整体式自立式电极。通过在化学气相沉积（CVD）生长的3D石墨烯泡沫上使用简单的溶液生长程序合成了Ni（OH）（2）纳米薄片。 3D石墨烯的孔结构允许轻松获取具有高表面积的葡萄糖，从而以3.49mAmM（-1）cm（-2）的超高灵敏度和高达24nM的较低检测限实现了葡萄糖检测。循环伏安法（CV）和恒电位模式用于非酶促葡萄糖感应。阻抗和有效表面积已得到很好的研究。 Ni（OH）（2）/三维（3D）-石墨烯复合电极的高灵敏度，低检测限和简单的结构可以唤起其在葡萄糖传感设备中的工业应用。

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