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Shan-Lai Zhou, Shinji Matsumoto, Huai-Dong Tian, Hiroki Yamane, Akio Ojida, Shigeki Kiyonaka and Itaru Hamachi pH-Responsive Shrinkage/Swelling of a Supramolecular Hydrogel Composed of Two Small Amphiphilic Molecules Chemistry - A European Journal 11

Version of Record online: 27 DEC 2004 | DOI: 10.1002/chem.200400677

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Swell gels! A pH-responsive volume-change function was successfully introduced into a supramolecular hydrogel by the simple mixing of a hydrogelator with an appropriate amount of amphiphilic carboxylic acid. By using this hydrogel prepared by supramolecular copolymerization, the controlled release of bioactive substances in response to pH was achieved.

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