肖世秀;丁曼娜;周津宁;吕保樱;侯绪和;冯军;

• 1:广西科技大学医学部

摘要(Abstract)：

石墨烯具有巨大的比表面积,优异的导电性能,是一种良好的电化学传感材料.采用改进后的Hummers法制备石墨烯,并将石墨烯/β-环糊精复合材料通过滴涂法修饰到玻碳电极表面.利用循环伏安法考察抗坏血酸在该修饰电极上的电化学行为,并优化实验条件,用时间-电流曲线法在最佳条件下测定抗坏血酸的浓度,结果表明:在5×10-6～1.5×10-3mol/L的浓度范围内,抗坏血酸的峰电流与浓度具有良好的线性关系,检测限为8.8×10-7mol/L,石墨烯/β-环糊精修饰电极表现出良好的稳定性、重现性和抗干扰能力,可用于抗坏血酸样品的检测.

关键词(KeyWords)： 石墨烯;β-环糊精;抗坏血酸;电化学

Abstract:

Keywords:

基金项目(Foundation): 广西自然科学基金项目（2016GXNSFAA380108）;; 广西科技大学科学基金项目（校科自174513）;; 广西大学生创新创业训练计划项目（201910594207）资助

作者(Author): 肖世秀;丁曼娜;周津宁;吕保樱;侯绪和;冯军;

Email:

DOI: 10.16375/j.cnki.cn45-1395/t.2020.04.016

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