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 PDA-AuNPs / GCE was prepared by one-pot method. The surface morphology of the modified electrode was analyzed by scanning electron microscopy (SEM) and the electrochemical properties of rutin on the modified electrode behavior. The results showed that PDA-AuNPs / GCE had good electrocatalytic activity for rutin. The peak current of rutin was linear with the concentration of rutin in the range of 1.0 × 10-6 ~ 1.0 × 10-4 mol·L-1, The detection limit was 2.3 × 10-7mol·L-1 (S / N = 3). The modified electrode can be used for rutin compound rutin content detection, the effect is good.