Angewandte Chemie International Edition

Cover image for Vol. 54 Issue 10

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, ChemPlusChem, Zeitschrift für Chemie

50_03/2011Cover Picture: On–Off Porosity Switching in a Molecular Organic Solid (Angew. Chem. Int. Ed. 3/2011)

An organic molecular crystal that demonstrates “on–off” porosity switching is presented by A. Cooper and co-workers in their Communication on page 749 ff. This organic solid, which is composed of intrinsically porous cage molecules, can reversibly interconvert between porous and nonporous polymorphs in response to solvent vapor. The switch is facilitated by both translational and conformational mobility in the molecular crystal.

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Natural Polyphenolsfor001

Resveratrol from red wine is a prime example of a natural polyphenol, whose health-promoting effects have been described. What polyphenols really are (and what not), from what they can be isolated, and how they can be synthesized is described by S. Quideau et al. in their Review on page 586 ff.


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In their Communication on page 622 ff., D. Prosperi, F. Peri, and co-workers report the synthesis and properties of lipopolysaccharide-coated magnetic nanoparticles, which have defined size and shape, and stimulate TLR4-dependent cell activation.


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