Photochemical and Chemical Two-Channel Control of Functional Nanogated Hybrid Architectures

A two‐channel switchable nanoscopic hybrid system, able to modulate mass transport by photoresponsive appended organic groups and the presence of G1.5 PAMAM dendrimers as molecular caps, is reported. This new functional gatelike ensemble is chemically (by pH changes) and photochemically (using visib...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2007-09, Vol.19 (17), p.2228-2231
Main Authors: Aznar, E., Casasús, R., García-Acosta, B., Marcos, M. D., Martínez-Máñez, R., Sancenón, F., Soto, J., Amorós, P.
Format: Article
Language:English
Subjects:
Hybrid materials
Mesoporous materials
Optical switches
Supramolecular chemistry
Switches
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Summary:A two‐channel switchable nanoscopic hybrid system, able to modulate mass transport by photoresponsive appended organic groups and the presence of G1.5 PAMAM dendrimers as molecular caps, is reported. This new functional gatelike ensemble is chemically (by pH changes) and photochemically (using visible light) controlled in pure aqueous solution, as demonstrated by an experiment involving the controlled release of a dye (see figure).
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200601958