However, use of bowl-shaped calixarene carboxylic acids allows assembly into defined and unique globular assemblies, built up from organic ligands and uranyl, in which the uranyl groups are ...

Modified Calixarene Boosts DNA Delivery September 22, 2008 | A version of this story appeared in Volume 86, Issue 38 [+]Enlarge ...

The bizarre behavior of an organic crystal called calixarene could help drive a hydrogen economy, suggests a new study. Researchers describe a crystal that, when exposed to air, absorbs molecules ...