Polymer Gels That Memorize Elements of Molecular Conformation

Weakly cross-linked heteropolymer gels that memorize molecular pairs have been designed and synthesized. The polymer consists of a main monomer component responsible for volume phase transition, methacrylic acid that adsorbs one divalent ion as a pair, and cross-links. The memory of pairing of metha...

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Bibliographic Details
Published in:Macromolecules 2000-11, Vol.33 (23), p.8693-8697
Main Authors: Alvarez-Lorenzo, Carmen, Guney, Orhan, Oya, Taro, Sakai, Yasuzo, Kobayashi, Masatoshi, Enoki, Takashi, Takeoka, Yukikazu, Ishibashi, Toru, Kuroda, Kenichi, Tanaka, Kazunori, Wang, Guoqiang, Grosberg, Alexander Yu, Masamune, Satoru, Tanaka, Toyoichi
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Properties and characterization
Solution and gel properties
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Summary:Weakly cross-linked heteropolymer gels that memorize molecular pairs have been designed and synthesized. The polymer consists of a main monomer component responsible for volume phase transition, methacrylic acid that adsorbs one divalent ion as a pair, and cross-links. The memory of pairing of methacrylic acids within the gels was encoded in the primary sequence of main monomers, methacrylic acids and cross-links within the gels, which was achieved by “imprinting”, namely, by synthesizing gels while methacrylic monomers were paired prior to polymerization. The control gels, where methacrylic monomers were randomly distributed, showed frustration in forming pairs, whereas such frustration was completely diminished in the imprinted gels allowing the memory of pair formation.
ISSN:0024-9297
1520-5835
DOI:10.1021/ma000603v