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将Nafion交联剂与纳米材料修饰至玻碳电极基底制备一种无酶葡萄糖传感电极,通过循环伏安曲线、时间-电流曲线检测该电极电化学特性.氧化铜纳米复合膜具有高比表面积和多活性点位的优点.实验结果表明,氧化铜纳米电极对葡萄糖的检测线性响应范围0.01~0.3 mmol·L-1,灵敏度1783.58μA·L·mmol-1·cm-2,检测限0.80μmol·L-1(S/N=3),稳定性较好,能抵抗抗坏血酸、多巴胺和尿酸干扰.
Nafion crosslinking agent and nanomaterials modified to the glassy carbon electrode substrate Preparation of a glucose-free glucose sensing electrode, by cyclic voltammetry curve, the time-current curve of the electrochemical properties of the electrode detection. Copper oxide nanocomposite film has a high specific surface area The results showed that the linear response range of copper oxide nanoparticle to glucose was 0.01-0.3 mmol·L-1, the sensitivity was 1783.58 μA · L · mmol-1 · cm-2, and the detection limit was 0.80 μmol · L-1 (S / N = 3), good stability, resistance to ascorbic acid, dopamine and uric acid interference.