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首页> 外文期刊>Electrochimica Acta >Fabrication and topographical analysis of non-covalently imprinted polymer inclusion membranes for the selective sensing of pinacolyl methylphosphonate - A simulant of Soman
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Fabrication and topographical analysis of non-covalently imprinted polymer inclusion membranes for the selective sensing of pinacolyl methylphosphonate - A simulant of Soman

机译：非共价印迹聚合物包合物膜的制备和形貌分析，用于选择性感测频哪醇甲基膦酸酯-Soman的模拟物

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摘要

A novel potentiometric sensor based on imprinted polymer inclusion membrane (IPIM) was developed by dispersing pinacolyl methylphosphonate (PMP) imprinted polymer materials synthesized by employing different polymerization approaches, viz. bulk, precipitation and suspension in polyvinyl chloride. The polymer materials and corresponding membranes were characterized topographically using scanning electron microscope. The effect of membrane composition, sensor performance and selectivity were studied and optimized. Such studies show that, the bulk imprinted polymer material was more selective and sensitive (with a detection limit of 4 × 10{sup}(-8) M [7.2 ppb]) than suspension and precipitation material based IPIM sensors. The feasibility of the developed potentiometric sensor for trace determination of PMP in ground and tap water samples was demonstrated by both direct and standard addition methods.
机译：通过分散采用不同聚合方法合成的频哪醇甲基膦酸酯（PMP）印迹聚合物材料，开发了一种基于印迹聚合物包裹膜（IPIM）的新型电位传感器。大量沉淀和悬浮在聚氯乙烯中。使用扫描电子显微镜对聚合物材料和相应的膜进行形貌表征。研究并优化了膜组成，传感器性能和选择性的影响。此类研究表明，与基于悬浮和沉淀材料的IPIM传感器相比，整体印迹聚合物材料具有更高的选择性和敏感性（检测极限为4×10 {sup}（-8）M [7.2 ppb]）。通过直接和标准添加方法证明了开发的电位传感器用于痕量测定地下水和自来水样品中PMP的可行性。

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