New Perspectives for the Design of Molecular Actuators: Thermally Induced Collapse of Single Macromolecules from Cylindrical Brushes to Spheres

Polymethacrylates with densely grafted poly‐N‐isopropylacrylamide side chains change their shape at the lower critical solution temperature from cylindrical brushes (left) to spherical structures (right). This is an interesting example of a temperature‐induced cylinder‐to‐sphere transition observed...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2004-02, Vol.43 (9), p.1101-1104
Main Authors: Li, Chengming, Gunari, Nikhil, Fischer, Karl, Janshoff, Andreas, Schmidt, Manfred
Format: Article
Language:English
Subjects:
molecular actuators
nanostructures
polymers
scanning force microscopy
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Summary:Polymethacrylates with densely grafted poly‐N‐isopropylacrylamide side chains change their shape at the lower critical solution temperature from cylindrical brushes (left) to spherical structures (right). This is an interesting example of a temperature‐induced cylinder‐to‐sphere transition observed for single macromolecules.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200352845