| 杨婕.双酚A在石墨烯-L-谷氨酸修饰电极上的电化学行为研究[J].济宁医学院学报,2013,(6):396-399 |
| 双酚A在石墨烯-L-谷氨酸修饰电极上的电化学行为研究 |
| Electrochemical behavior of bisphenol A at a graphene-l-glutamate modified glassy carbon electrode |
| 投稿时间：2013-09-01 |
| DOI：10.3969/j.issn.1000-9760.2013.06.006 |
| 中文关键词: 双酚A;石墨烯;L-谷氨酸;壳聚糖;循环伏安法 |
| 英文关键词: Bisphenol A;Graphene;L-glutamic acid;Chitosan;Cyclic voltammetry |
| 基金项目:国家自然科学基金(基金号:21175059);济宁医学院青年科学基金(基金号:JYQ2011KM008) |
| 作者 | 单位 | | 杨婕 | 济宁医学院生物纳米技术与医学工程研究所, 山东济宁 272067 |
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| 中文摘要: |
| 以壳聚糖(CTS)为石墨烯的分散剂,将石墨烯修饰于玻碳电极(GCE)表面,然后通过循环伏安法(CV)在石墨烯修饰的电极表面电聚合L-谷氨酸,制备了石墨烯-L谷氨酸复合膜修饰电极,并利用该修饰电极研究双酚A(BPA)的电化学行为。结果表明,修饰电极对BPA有较好的电催化作用,在pH=6.5的磷酸盐缓冲溶液(PBS)中,BPA在修饰电极上有一个明显的氧化峰,峰电流与其浓度在1.0×10-5~8.0×10-5 mol/L与 8.0×10-5~8.0×10-4 mol/L范围内呈现良好的线性关系。 |
| 英文摘要: |
| The grapheme-L-glutamate electrode was prepared by modified graphene used chitosan (CTS) as dispersion and polymerizated with L-glutamic acid by cyclic voltammetry (CV) .The electrochemical behavior of bisphenol A (BPA) at this electrode was investigated.The results showed that electrocatalytic activity of BPA on a modified glassy carbon electrode was better,in pH=6.5 phosphate buffer solution (PBS),and BPA had an obvious oxidation peak at the modified electrode.There was an excellent linearity between oxidation current and concentration of BPA in the range of 1.0×10-5 to 8.0×10-5 mol/L and 8.0×10-5 to 8.0×10-4 mol/L. |
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