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A Theta-Shaped Amphiphilic Cobaltabisdicarbollide Anion: Transition From Monolayer Vesicles to Micelles (Angew. Chem. Int. Ed. 23/2011)

A Theta-Shaped Amphiphilic Cobaltabisdicarbollide Anion: Transition From Monolayer Vesicles to Micelles (Angew. Chem. Int. Ed. 23/2011)

Scientific Highlights Cover, Biomaterials and materials for drug delivery, therapy, diagnostics and sensing 17 June 2012 2609 hits jags

Dr. Pierre Bauduin, Dr. Sylvain Prevost, Dr. Pau Farràs, Prof. Francesc Teixidor, Dr. Olivier Diat, Prof. Thomas Zemb. First published: 3 May 2011. Angewandte Chemie International Edition Volume 50, Issue 23, pages 5298–5300, May 27, 2011. DOI: 10.1002/anie.201102614

The cobaltabisdicarbollide (mono-)anion ([3,3′-Co(1,2-C2B9H11)2]−, COSAN−) forms monolayer vesicles at low concentrations in water (see picture). An increase in concentration leads to a Coulomb explosion of the closely packed vesicles into small micelles, which results in the coexistence of both aggregation states at higher concentrations.

 

Related Topics: Cover, Biomaterials and materials for drug delivery, therapy, diagnostics and sensing

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