Polymer gels that memorize elements of molecular conformation
Polymer gels that memorize elements of molecular conformation
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DOI：
10.1021/ma000603v
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发表时间：
2000-11-14
期刊：
影响因子：
5.5
通讯作者：
Tanaka, T
中科院分区：
文献类型：
--
作者：
Alvarez-Lorenzo, C;Guney, O;Tanaka, T
可以记忆分子对的弱交联杂聚物凝胶已经被设计和合成。该聚合物由负责体积相变的主要单体组分、作为一对吸附一个二价离子的甲基丙烯酸和交联物组成；凝胶中甲基丙烯酸配对的记忆被编码在主要单体、甲基丙烯酸和凝胶中的交联物的初级序列中，这是通过“印迹”实现的，即通过合成凝胶，而甲基丙烯酸单体在聚合之前配对。甲基丙烯酸类单体随机分布的对照凝胶在形成配对时表现出挫折感，而这种挫折感在印迹凝胶中完全减弱，从而允许记忆配对的形成。
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.