Journal
CHEMICAL COMMUNICATIONS
Volume 50, Issue 61, Pages 8388-8390Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc03293d
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Funding
- NIH [RO1 CA133697]
- Defense Threat Reduction Agency [HDTRA1-13-1-0046]
- NIH
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Proton transfer caused by excitation of a photoacid attached to the surface of a mesoporous silica nanoparticle activates a nanovalve and causes release of trapped molecules. The protonation of an aniline-based stalk releases a noncovalently bound cyclodextrin molecule that blocked a pore. The results show that pH-responsive molecular delivery systems can be externally controlled using light.
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