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首页> 外文期刊>Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry >Preparation and characterization water-soluble inclusion complexes of imidacloprid- b-cyclodextrin polymer and their electrochemical behavior
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Preparation and characterization water-soluble inclusion complexes of imidacloprid- b-cyclodextrin polymer and their electrochemical behavior

机译：吡虫啉-b-环糊精聚合物的水溶性包合物的制备，表征及其电化学行为

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摘要

A new water-solution inclus ion complex of imidacloprid (IDP)with β-cyclodextrin polymer (β-CDP) was prepared by afacile strategy and characterized by FTIR,powder X-ray diffractometry,thermogravimetry, ~1H NMR spectroscopy and UV–visspectroscopy.The ratio of b-cyclodextrin (β-CD) unit in β-CDP to IDP is determined as 2:1.At 25℃, the dissociated constant of IDP- β-CDP is measure das 1.79 ±0.17× 10~(-5) M~2 by UV–vis spectro scopy.The well behaved electrochemical properties of IDP-β-CDP in water are observed. The diffusion coefficientof reduced state and the diffusion activation energy are calculated as 4.0 ±0.5× 10~(-7) cm2 s~(-1) and 9.8 ±0.3 kJ mol~(-1), respectively.Compared with IDP,the solubility of IDP-b-cyclodextrin polymer (IDP-b-CDP) is greatly enhanced due to the water-soluble b-CDP host.
机译：通过简便的方法制备了吡虫啉（IDP）与β-环糊精聚合物（β-CDP）的新型水溶液包合物，并通过FTIR，粉末X射线衍射，热重分析，〜1H NMR光谱和UV-可见光谱进行了表征。 β-CDP中的b-环糊精（β-CD）单元与IDP的比例为2：1。在25℃下，IDP-β-CDP的解离常数为das 1.79±0.17×10〜（-5紫外可见分光光度法测定M〜2。观察到IDP-β-CDP在水中的电化学性能良好。还原态的扩散系数和扩散活化能分别为4.0±0.5×10〜（-7）cm2 s〜（-1）和9.8±0.3 kJ mol〜（-1）。与IDP相比，溶解度由于水溶性b-CDP主体，IDP-b-环糊精聚合物（IDP-b-CDP）的合成大大提高。

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