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Enantiomeric Recognition by Molecularly Imprinted Polymers Using Hydrophobic Interactions

 

作者: Cong Yu,   Olof Ramström,   Klaus Mosbach*,  

 

期刊: Analytical Letters  (Taylor Available online 1997)
卷期: Volume 30, issue 12  

页码: 2123-2140

 

ISSN:0003-2719

 

年代: 1997

 

DOI:10.1080/00032719708001728

 

出版商: Taylor & Francis Group

 

关键词: molecular imprinting;hydrophobic interactions;enantiomeric recognition;aqueous media;polymer

 

数据来源: Taylor

 

摘要:

Molecularly imprinted polymers prepared using acrylamide as the hydrogen bonding functional monomer exhibited good enantiomeric recognition properties in aqueous solutions. Our results indicate that the recognition improved with increased mobile phase water percentage and ionic strength, and was also very much pH dependent upon the ionisation properties of the sample molecules. The results can be interpreted in terms of specific hydrophobic interactions between the enantiomeric species and the recognition sites of imprinted polymers. A study of substrate selectivity showed differences between a pure organic system and a water/organic system as the mobile phases. The hydrophobicity of the test compounds was found to be an important parameter in determining the selectivity.

 

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