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A General pH‐Responsive Supramolecular Nanovalve Based on Mesoporous Organosilica Hollow Nanospheres
Author(s) -
Guo Wanping,
Wang Jing,
Lee SangJoon,
Dong Fuping,
Park Sung Soo,
Ha ChangSik
Publication year - 2010
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201000980
Subject(s) - supramolecular chemistry , mesoporous material , mesoporous organosilica , aqueous solution , materials science , nanotechnology , molecule , chemical engineering , on demand , controlled release , mesoporous silica , chemistry , organic chemistry , catalysis , computer science , multimedia , engineering
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.