Preparation of molecularly imprinted polymers in supercritical carbon dioxide

被引：0
|
作者：
Ye, Lei [1 ]
Yoshimatsu, Keiichi [1 ]
Kolodziej, Dorota [1 ]
Da Cruz Francisco, José [1 ]
Dey, Estera S. [1 ]
机构：
[1] Pure and Applied Biochemistry, Chemical Center, Lund University, 22100 Lund, Sweden
来源：
Journal of Applied Polymer Science | 2006年 / 102卷 / 03期
关键词：
Molecularly imprinted polymer nanoparticles were prepared in supercritical carbon dioxide using a noncovalent imprinting approach. In the present work; propranolol was used as a model template; methacrylic acid as a functional monomer; and divinylbenzene as a crosslinker. Under a high dilution condition; the heterogeneous polymerization resulted in discrete crosslinked polymer nanoparticles. Compared with the nonimprinted polymers; the imprinted nanoparticles displayed much higher propranolol uptake in a low polarity organic solvent. The use of a single enantiomer (S) propranolol as the template clearly demonstrated that the imprinted binding sites are chiral-selective; with a cross-reactivity towards (R)-propranolol of less than 5%. The overall binding performance of the imprinted nanoparticles was comparable to imprinted polymers prepared in conventional organic solvents. © 2006 Wiley Periodicals; Inc;
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摘要：
Journal article (JA)
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页码：2863 / 2867
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