摘要
将Nation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O．01～0．3mmol·L^-1，灵敏度1783．58μA·L·mmol‘cm^-2，检测限0．80μmoL^-1（SIN=3），稳定性较好，能抵抗抗坏血酸、多巴胺和尿酸干扰．
The CuO nanoplatelets were synthesized by hydrothermal method. The structure and morphology of the CuO nanoplatelets were characterized by TEM and XRD. A new nonenzymatic glucose sensor was constructed by immobilizing the CuO nanoplatelets on glassy carbon electrode with Nation. The electrochemical performance of the CuO/Nafion/GCE for the detection of glucose was investigated by cyclic voltammetry and current-time curve. The experiment results showed that the linear dependence of the sensor was 0.01 to 0.3 mmol .L^-1 for glucose with a sensitivity of 1783.58 μA·mmol^-1 .L .cm^-2, and the detection limit of the sensor was 0.80 μmol·L^-1 （S/N = 3）. Also, the sensor displayed fast response and long-term stability to glucose, and interferences of ascorbic acid, dopamine, and uric acid were effectively avoided.
出处
《电化学》
CAS
CSCD
北大核心
2014年第1期80-84,共5页
Journal of Electrochemistry
基金
国家自然科学基金项目(No.20977074
No.21175115)
福建省自然科学基金杰青项目(No.2010J06005)
福建省自然科学基金重点和青年创新项目(No.2012Y0065
No.2012J05031)资助
