Journal
ADVANCED MATERIALS
Volume 16, Issue 21, Pages 1953-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200400362
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Temperature-sensitive core-shell nanostructures are synthesized by functionalizing a hydroxyl-terminated dendrimer with a reversible addition-fragmentation chain transfer (RAFT) polymerization chain-transfer agent. RAFT polymerization of N-isopropylacrylamide produces a shell around the dendrimer (see Figure). In aqueous solution, changing the temperature by 10degreesC can reversibly open and close the poly (N-isopropylacrylamide) shell. Entrapment and temperature-induced liberation of pyrene from the nanostructures is demonstrated.
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