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Wanping Guo, Jing Wang, Sang-Joon Lee, Fuping Dong, Sung Soo Park and Chang-Sik Ha A General pH-Responsive Supramolecular Nanovalve Based on Mesoporous Organosilica Hollow Nanospheres Chemistry - A European Journal 16

Version of Record online: 30 JUN 2010 | DOI: 10.1002/chem.201000980

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Smart release on demand: A general pH-responsive supramolecular nanovalve operating in aqueous media has been designed by using mesoporous organosilica hollow nanospheres as nanocontainers (see picture). The nanovalve is capable of storing guest molecules within the hollow core and mesopore shell and releasing them on demand by acid/base triggering of the capping molecule, demonstrating a delicate vehicle for controlled release.

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