Angewandte Chemie International Edition
© WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Cover Picture: Toroidal Micelles of Uniform Size from Diblock Copolymers (Angew. Chem. Int. Ed. 25/2009)
Pure toroidal micelles of highly uniform shape and size are presented by T. Chang et al. in their Communication on page 4594 ff. The donut-shaped micelles are prepared by spontaneous self-assembly of a polyisoprene-block-poly(2-vinylpyridine) copolymer, and are stable enough to act as a template for the growth of gold nanoparticles along the ring surface.
Also of Interest
A wide variety of materials can form polymer nanoparticles or be encapsulated in a polymer shell using miniemulsions. In a Review on page 4488 ff., K. Landfester describes the advantages of this process, which include the use of water as solvent.
From Micelles and Nanotubes
Depending on the constituents, one block copolymer forms nanotubes in solution, the other spherical micelles, as described by J. L. Hedrick et al. in their Communication on page 4508 ff.
In their Communication on page 4610 ff., U. H. F. Bunz et al. present the efficient functionalization of a hyperbranched conjugated polymer with iodine end groups.