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A Chemical‐Responsive Supramolecular Hydrogel from Modified Cyclodextrins
Author(s) -
Deng Wei,
Yamaguchi Hiroyasu,
Takashima Yoshinori,
Harada Akira
Publication year - 2007
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200701272
Subject(s) - supramolecular chemistry , cyclodextrin , hydrogen bond , supramolecular polymers , reagent , chemistry , polymer , self healing hydrogels , fibril , polymer chemistry , combinatorial chemistry , molecule , organic chemistry , biochemistry
No backbone required : A supramolecular hydrogel has been synthesized from a guest‐modified cyclodextrin (CD) without a polymer backbone. The β‐CD forms supramolecular fibrils through host–guest interactions, and then hydrogen bonds between the CDs cross‐link the fibrils to give a hydrogel. Gel‐to‐sol transitions can be effected by adding a competitive guest or a denaturing reagent (see example).
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