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首页> 外文期刊>International Journal of Electrochemical Science >Poly (Diallyldimethylammonium Chloride) Functionalized Reduced Graphene Oxide Based Electrochemical Sensing Platform for Luteolin Determination
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Poly (Diallyldimethylammonium Chloride) Functionalized Reduced Graphene Oxide Based Electrochemical Sensing Platform for Luteolin Determination

机译：聚二烯丙基二甲基氯化铵官能化还原氧化石墨烯电化学检测平台用于木犀草素的测定

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摘要

We describe the development of a sensitive electrochemical luteolin sensor based on poly(diallyldimethylammoniumchloride) (PDDA) functionalized reduced graphene oxide (PDDA-RGO).The PDDA-RGO sheets were characterized by SEM, XRD, Raman spectroscopy, UV-vis spectroscopyand FTIR. The results indicate the PDDA-RGO sheets exhibit excellent dispersity and conductivity.Electrochemical studies showed that the PDDA-RGO modified glassy carbon electrode (GCE) couldgreatly enhance the electrocatalytic activity towards the redox of luteolin. A series of experimentalconditions including the pH, accumulation potential and time were optimized. The proposed sensorexhibited a wide detection range (0.001 to 10M) with a detection limit of 0.001 M (S/N = 3).Moreover, the proposed electrochemical sensor has also been successfully applied to determination ofluteolin in thyme sample.
机译：我们描述了一种基于聚二烯丙基二甲基氯化铵（PDDA）功能化还原氧化石墨烯（PDDA-RGO）的灵敏电化学木犀草素传感器的开发。结果表明，PDDA-RGO片材具有良好的分散性和导电性。电化学研究表明，PDDA-RGO修饰的玻碳电极（GCE）可以极大地增强对木犀草素氧化还原的电催化活性。优化了pH，积累势和时间等一系列实验条件。所提出的传感器具有很宽的检测范围（0.001到10M），检出限为0.001 M（S / N = 3）。此外，所提出的电化学传感器也已成功地应用于百里香样品中木犀草素的测定。

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