Photoresponsive Soft Nanotubes for Controlled Guest Release

Light, transformation, release! Self‐assembly of a simple amphiphile with an azobenzene unit produced an organic nanotube with 20 nm inner diameter. The trans‐to‐cis photoisomerization of the azobenzene unit within the solid bilayer membranes of the nanotube induced the transformation to cylindrical...

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Bibliographic Details
Published in:Chemistry : a European journal 2011-05, Vol.17 (19), p.5251-5255
Main Authors: Kameta, Naohiro, Tanaka, Asuka, Akiyama, Haruhisa, Minamikawa, Hiroyuki, Masuda, Mitsutoshi, Shimizu, Toshimi
Format: Article
Language:English
Subjects:
Azo Compounds - chemistry
Chemistry
host-guest systems
Hydrogen-Ion Concentration
Molecular Structure
nanostructures
Nanotubes - ultrastructure
Photochemical Processes
photochemistry
self-assembly
Stereoisomerism
supramolecular chemistry
Water - chemistry
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Summary:Light, transformation, release! Self‐assembly of a simple amphiphile with an azobenzene unit produced an organic nanotube with 20 nm inner diameter. The trans‐to‐cis photoisomerization of the azobenzene unit within the solid bilayer membranes of the nanotube induced the transformation to cylindrical nanofibers (see graphic). This way, the nanotube was able to precisely release encapsulated guest molecules as a response to photostimulus.
ISSN:0947-6539
1521-3765
1521-3765
DOI:10.1002/chem.201100179