期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 124, 期 51, 页码 15249-15254出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja026418+
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We have explored the interactions of mono- and multivalent guests with Recognition-Induced Polymersomes (RIPS) formed from complementary random copolymers featuring diamidopyridine and thymine functionality. Addition of monovalent guests featuring imide functionality to these RIPS induced a temporary swelling of the vesicles, followed by dissociation of the vesicles due to competitive binding of the guest. Conversely, multivalent thymine-functionalized nanoparticle guests were rapidly incorporated into the RIPS, inducing a contraction of RIP diameter over time. These mono- and multivalent interactions were extremely specific: highly analogous control systems showed no interaction with the RIP structures. Taken together, these studies demonstrate highly selective molecular lock and key control over higher-order assembly and recognition processes.
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