中文摘要：

以氨苄青霉素钠为模板分子,邻苯二胺为功能单体,利用电聚合法在金电极表面形成聚邻苯二胺膜,经0.5 mol/L NaOH-乙醇混合溶液（VNaOH∶V乙醇=4∶1）将模板分子洗脱,制得氨苄青霉素钠分子印迹传感器。以K3Fe（CN）6为探针,建立了氨苄青霉素钠的间接测定方法,并利用循环伏安法和方波伏安法对传感器的电化学性能进行评价。该传感器的方波伏安峰电流变化值与氨苄青霉素钠浓度在1.0×10^-6～9.0×10^-6mol/L范围内呈良好的线性关系,检出限为6.4×10^-7mol/L。

英文摘要：

Ampicillin sodium was used as template molecule,o- phenylenediamine was used as functional monomer,poly（ o- phenylenediamine） film was electropolymerized on the surface of a gold electrode. The ampicillin sodium molecularly imprinted sensor was obtained by eluting template molecules using the mixed solution of 0.5 mol / L Na OH and alcohol（4∶1,VNa OH∶ Valcohol）. Ampicillin sodium was determined indirectly based on potassium ferricyanide as electroactive probe. The electrochemical properties of the sensor were investigated using cyclic voltammetry and square wave voltammetry. The peak current changes in SWV had good linear relationship with the concentration of ampicillin sodium in the range of 1.0×10^-6～ 9.0×10^-6mol / L. The detection limit was 6.4 × 10^-7mol / L.