Non-Centrosymmetric Cylindrical Micelles by Unidirectional Growth

Author:

Rupar Paul A.1,Chabanne Laurent1,Winnik Mitchell A.2,Manners Ian1

Affiliation:

1. School of Chemistry, University of Bristol, Bristol BS8 1TS, UK.

2. Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada.

Abstract

Unidirectional Growth Block copolymers, in which two dissimilar polymers are covalently joined together, can be designed to form micelles in solution and can be used as self-assembling injectable gels for tissue engineering or wound healing. One challenge is to find ways to create asymmetrical structures, because normally, block addition would occur at both ends of the polymer chain. Rupar et al. (p. 559 ; see the Perspective by Pochan ) devised a route to link together three diblock copolymers with a capping approach. Protecting one end during growth gave rise to asymmetrical structures.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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