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首页> 外文期刊>Applied Surface Science >Phosphonate electrochemical recognition by molecularly imprinted deposited film
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Phosphonate electrochemical recognition by molecularly imprinted deposited film

机译：分子印迹沉积膜对膦酸酯的电化学识别

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In this paper, thin films of titanium oxide imprinted with 0,0-dimethyl-(2,4-dichlorophenoxyacetoxyl)(3'-nitrobenyl) methinephosphonate (Phi-NO2) were prepared via liquid phase deposition (LPD) method on a glassy carbon electrode. The imprinted molecular in the films was removed by treatment with immersion in CH2Cl2. X-ray diffraction (XRD) and electrochemical methods were introduced to show the evidence of the molecular imprinting phenomenon. It was also found that the recognition ability of the sensor depended on the substituents associated with tridimensional structures of the nitro-compounds. Under the optimized condition, the sensor showed better sensitivity, selectivity and reproducibility to the imprinted molecule and the linear relationship between the current and the concentration of analyte in the range of 0.1-50 mu M was obtained. LPD proved to be a powerful method for imprinting titanium oxide thin sense films. (c) 2006 Elsevier B.V. All rights reserved.
机译：本文通过液相沉积（LPD）方法在玻璃碳上制备了刻有0,0-二甲基-（2,4-二氯苯氧基乙酰氧基）（3'-硝基苯基）次甲基膦酸酯（Phi-NO2）的氧化钛薄膜。电极。通过浸入CH 2 Cl 2中的处理除去膜中的印迹分子。引入了X射线衍射（XRD）和电化学方法以显示分子印迹现象的证据。还发现传感器的识别能力取决于与硝基化合物的三维结构相关的取代基。在最佳条件下，该传感器对印迹分子具有较好的灵敏度，选择性和重现性，电流与分析物浓度在0.1-50μM之间呈线性关系。 LPD被证明是压印氧化钛薄膜的有力方法。 （c）2006 Elsevier B.V.保留所有权利。

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