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A Zipper-Like On/Off-Switchable Molecularly Imprinted Polymer
Central China Normal University.
Cranfield University.
Cranfield University.
Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-1815-9699
2011 (English)In: Advanced Functional Materials, ISSN 1616-301X, E-ISSN 1616-3028, Vol. 21, no 17, 3344-3349 p.Article in journal (Refereed) Published
Abstract [en]

A zipper-like on/off-switchable molecularly imprinted polymer is reported. This unique imprinted polymer was composed of template-imprinted polymeric networks that incorporate zipper-like interactions between poly(acrylamide) (PAAm) and poly(2-acrylamide-2-methyl propanesulfonic acid) (PAMPS). This polymer showed marginal recognition ability towards the imprint species under low temperature conditions, due to the interpolymer interaction between PAAm and PAMPS, which inhibited access to the imprinted networks. In contrast, at relatively high temperatures (such as 40 degrees C), the polymer demonstrated significant molecular recognition ability towards the imprint species resulting from the dissociation of the interpolymer complexes of PAAm and PAMPS, which enabled access to the imprint networks. Unlike previously reported PNIPAm-based imprinted polymers, which demonstrate alterable molecular recognition simply because of the thermosensitive hydrophilicity/hydrophobicity of PNIPAm, this polymer employed a zipper-like supramolecular architecture between PAAm and PAMPS, thereby enabling switchable molecular recognition.

Place, publisher, year, edition, pages
Wiley-VCH Verlag Berlin , 2011. Vol. 21, no 17, 3344-3349 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-71385DOI: 10.1002/adfm.201100593ISI: 000295184400018OAI: diva2:448049
Funding agencies|European Commission|PIIF-GA-2009-236799|National Science Foundation of China|21073068|Available from: 2011-10-14 Created: 2011-10-14 Last updated: 2013-10-04

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