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《Materials Review》 2006-09
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Preparation of Naringenin Molecularly Imprinted Polymeric Microspheres

ZHENG Ximing~ 1,2 ,TU Weiping~1(1 School of Chemical and Energy Engineering of South China University of Technology, Guangzhou 510640; 2 Department of Chemistry and Environment Engineering of Nanping Teachers College, Wuyishan 354300)  
Emulsifer-free polymerization is used to prepare micron-size polystyrene. Naringenin molecularly imprinted polymeric microspheres (MIPMs) are prepared by single-step swelling polymerization using polystyrene as seeds. The influences of swelling ratios, ratios of water to oil, solvent and cross-linker dosage on morphology, size and size distribution of the MIPMs are investigated. Static adsorption is employed to evaluate the recognition properties of the MIPMs. When the ratio of water to oil is 7∶1, and the swelling ratio is controlled in the range of 27~60, a series of uniformly sized MIPMs with particle diameter in the range of 4.5~6.0μm can be obtained by single-step swelling polymerization using 1.5μm polystyrene as seeds, cyclohexanol or chloroform as solvent, 20mmol ethylene glycol dimethacrylate as cross-linker. The prepared MIPMs exhibites a considerable tendency to adsorb naringenin and the printing molecules selectively, and the separation factor is up to 1.96 when quercetin is chosen as the competitive molecules.
【Fund】: 广东省自然科学基金资助项目(04020123);; 福建省教育厅科技计划项目(JA05331)
【CateGory Index】: TQ316.334
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