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A Simple and Renewable Nanoporous Gold-based Electrochemical Sensor for Bisphenol A Detection

机译:一种简单且可更新的双孔纳米金纳米孔电化学传感器

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摘要

A sensitive and simple electrochemical sensor based on nanoporous gold (NPG) was developed for the detection of bisphenol A (BPA). NPG was prepared by the dealloying method. The NPG modified glassy carbon electrode (GCE) displayed excellent catalytic activity towards the electrooxidation of BPA. The mechanism of the electrooxidation of BPA on NPG/GCE sensor was inferred. The sensor showed a linear range from 0.1 mu M to 50 mu M with a detection limit of 12.1 nM BPA. Specially, a simple but effective approach was attempted to renew the used sensor. The application of the sensor for real sample analysis was demonstrated.
机译:开发了一种基于纳米孔金(NPG)的灵敏,简单的电化学传感器,用于检测双酚A(BPA)。 NPG是通过脱售方法准备的。 NPG修饰的玻碳电极(GCE)对BPA的电氧化表现出出色的催化活性。推测了BPA在NPG / GCE传感器上的电氧化机理。该传感器的线性范围为0.1μM至50μM,检测极限为12.1 nM BPA。特别地,尝试了一种简单但有效的方法来更新使用过的传感器。演示了传感器在实际样品分析中的应用。

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