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聚多巴胺-纳米金修饰玻碳电极检测芦丁 被引量:4

Determination of rutin by polydopamine-nanoAu modified glassy carbon electrode
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摘要 采用一锅法制备聚多巴胺-纳米金修饰玻碳电极(PDA-AuNPs/GCE),用扫描电子显微镜(SEM)对修饰电极进行表面形貌分析,并研究芦丁在该修饰电极上的电化学行为。实验表明,PDA-AuNPs/GCE对芦丁有较好的电催化氧化性能,芦丁的氧化峰电流与其浓度在1.0×10-6~1.0×10-4mol·L-1范围内成线性关系,检测下限为2.3×10-7mol·L-1(S/N=3)。该修饰电极可用于复方芦丁片中芦丁含量的检测,效果良好。 The polydopamine-gold nanoparticle modified glassy carbon electrode (PDA-AuNPs/GCE)was fabricated by one-pot method. The surface morphology of modified electrode was characterized by scanning electron microscopy(SEM). The electrochemical behavior of rutin at the modified electrode was studied, and the experimental results indicated that the proposed sensor exhibits good electro-catalytic activity towards the oxidation of rutin. The oxidative peak currents(ipe) increase linearly with the concentration of rutin from 1.0×10^-6 to 1.0×10^-4mol.L^-1 with a detection limit of 2. 3×10^-7mol .L^-1. The modified electrode can be applied to the analysis of rutin in complex rutin tablet with good results.
出处 《化学研究与应用》 CAS CSCD 北大核心 2013年第9期1299-1302,共4页 Chemical Research and Application
基金 四川省教育厅青年基金项目(10ZB102 11ZB246)资助 绿色催化四川省高校重点实验室基金项目(LYJ1103)资助 材料腐蚀与防护四川省重点实验室基金项目(2011CL07)资助 四川理工学院大学生创新基金项目(cx20121302)资助 四川理工学院学科建设工程项目资助
关键词 聚多巴胺 纳米金 修饰电极 芦丁 polydopamine Au nanoparticle modified electrode rutin
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参考文献10

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