Angewandte Chemie International Edition

Cover image for Vol. 56 Issue 23

Editor: Peter Gölitz, Deputy Editors: Neville Compton, Haymo Ross

Online ISSN: 1521-3773

Associated Title(s): Angewandte Chemie, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemistryOpen, ChemPhotoChem, ChemPlusChem, Zeitschrift für Chemie

47_12/2008Cover Picture: Exploitation of the Dual-emissive Properties of Cyclometalated Iridium(III)–Polypyridine Complexes in the Development of Luminescent Biological Probes (Angew. Chem. Int. Ed. 12/2008)

Chameleons change their skin colors in response to temperature and light conditions. In their Communication on page 2213 ff., K. K.-W. Lo et al. describe the discovery of an iridium–polypyridine complex that shows environment-sensitive dual emission. The incorporation of biological substrates into this system results in luminescent probes that exhibit pronounced changes in their emission profiles upon binding to their specific receptors. (Photograph:

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Also of Interest

Ionic Electretsfor001

In the Review on page 2188 ff., G. M. Whitesides and L. S. McCarty discuss experimental evidence and theoretical models for ionic electrets, and propose a hypothesis by which the ion-transfer mechanism can also be responsible for the static electricity of, for example, organic polymers.


Just as atoms can assemble into nanoparticles, nanoparticles can assemble into superparticles. In the Communication on page 2208 ff., Y. C. Cao and co-workers describe a supramolecular approach to colloids of such materials.

Cluster Compoundsfor003

M. Jansen and M. Schulz-Dobrick have synthesized the first compounds consisting of gold clusters and fullerides, [Au7(PPh3)7]C60·THF and [Au8(PPh3)8](C60)2, as the authors describe in their Communication on page 2256 ff.