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Reference type: Conference Proceeding
Authors: Uragami T, Nishihata T, Miyata T
Publication date: 2002
Article title: Preparation of biphenol A-responsive hydrogels by molecular imprinting using cyclodextrin-ligand.
Page numbers: 1433
Alternative URL: http://www.jstage.jst.go.jp/article/spsjppj/51m/0/51m_1433/_article

Proceedings title: Polymer Preprints, Japan
Volume number: 51m

Abstract: The stimuli-responsive hydrogels that show swelling-deswelling behavior by changing external conditions such as temperature and pH are promising as smart materials for sensors and DDS etc. In this study, bisphenol A (BisA)-responsive hydrogels were prepared by molecular imprinting using cyclodextrin (CD) as a ligand. The swelling ratios of BisA-imprinted hydrogel, nonimprinted hydrogel and polyacrylamide (PAAm) hydrogel were measured in a saturated aqueous bisphenol A solution. In the presence of BisA, BisA-imprinted hydrogel was shrunken, but nonimprinted hydrogel and PAAm hydrogel was not. The shrinking of BisA-imprinted hydrogel is due to the formation of the CD-BisA-CD cross-linking structures. These imply that the network of BisA-imprinted hydrogel memorized BisA. Furthermore, the BisA-responsive behavior of the hydrogels were investigated by measuring amount of bisphenol A adsorbed into the hydrogels.

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