Surface functionalization of porous coordination nanocages via click chemistry and their application in drug delivery.
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Porous coordination nanocages covered with alkyne groups are synthesized through judicious selection of the ligand and reaction conditions. The surface functionalization via click reaction with azide-terminated polyethylene glycol turns them into water-stable colloids, which exhibit controlled release of an anticancer drug 5-fluorouracil. Copyright 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.