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首页> 外文期刊>International Journal of Electrochemical Science >Molecularly Imprinted Sensor based on o-phenylenediamine for Electrochemical Detection of Sulfamethoxazole
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Molecularly Imprinted Sensor based on o-phenylenediamine for Electrochemical Detection of Sulfamethoxazole

机译：基于邻苯二胺的分子印迹传感器电化学检测磺胺甲恶唑

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摘要

Molecularly imprinted electrochemical sensor for the detection of sulfamethoxazole was prepared byelectropolymerization with sulfamethoxazole as template molecule and o-phenylenediamine asfunctional monomer. Electrochemical performance of molecularly imprinted sensor was studied bycyclic voltammetry in 0.1 mol/L KCl solution containing 5 mM K 3 Fe(CN) 6 . On the optimal experimentalconditions, square wave voltammetry was used to detect sulfamethoxazole. The square wavevoltammetric peak current difference of the sensor has a good linear relationship with the concentrationof sulfamethoxazole in the range of 0.2 to 1.4 uM, and the detection limit is 0.05 uM. The molecularlyimprinted sensor has good selectivity, repeatability and stability.
机译：以磺胺甲恶唑为模板分子，邻苯二胺为功能单体，通过电聚合制备了用于检测磺胺甲恶唑的分子印迹电化学传感器。通过循环伏安法在含有5 mM K 3 Fe（CN）6的0.1 mol / L KCl溶液中研究了分子印迹传感器的电化学性能。在最佳实验条件下，采用方波伏安法检测磺胺甲恶唑。传感器的方波伏安峰值电流差与磺胺甲恶唑的浓度在0.2至1.4 uM之间具有良好的线性关系，检出限为0.05 uM。分子印迹传感器具有良好的选择性，可重复性和稳定性。

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