Studies on the Preparation and Properties of Sol-Gel Molecularly Imprinted Polymer Based on Tetramethoxysilane and Methyltrimethoxysilane for Recognized Sulfonamides

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题名:	Studies on the Preparation and Properties of Sol-Gel Molecularly Imprinted Polymer Based on Tetramethoxysilane and Methyltrimethoxysilane for Recognized Sulfonamides
作者:	Lee,SC;Peng,CL;Chen,H
贡献者:	化學工程與材料工程學系
关键词:	PLASTIC ANTIBODIES;PHASE EXTRACTION;SILICA-GEL;SULFAMETHAZINE;SELECTIVITY;CAFFEINE;PERFORMANCE;ADSORPTION;SEPARATION;DESIGN
日期:	2009
上传时间:	2010-06-29 17:27:57 (UTC+8)
出版者:	中央大學
摘要:	The synthesis of a molecularly imprinted polymer (MIP) composed of tetramethoxysilane (TMOS) and methyltrimethoxysilane (MTMOS) for recognized sulfonamides by sol-get process has been investigated. The MIP's preparation conditions, the H2O/Si molar ratios (R), pH value of competition solution, calcination temperature, and the TMOS and MTMOS molar fractions are discussed. Adsorption and selectivity in different pH solutions were determined by competition experiments between the MIP template (sulfamethazine, SMZ) and the analogue (sulfamethoxazole, SMO) using High-Performance Liquid Chromatography (HPLC). The results show that the selectivity of the MIP in competition solution with pH = 7.4 was higher than that with pH = 4.6. In addition, the second stage temperature of calcination. which was carried out at 375 degrees C, was obtained high selectivity. Moreover, the selectivity of the MIP (10.5) was approximately 3.5 times greater than the nonimprinted polymer (3.72) under the optimum preparation conditions.
關聯:	POLYMER JOURNAL
显示于类别:	[化學工程與材料工程研究所] 期刊論文

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