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Synthetic Chemistry

IU chemists develop new "light switch" chloride binder

Folding chloride receptor

Chemists at Indiana University Bloomington have designed a molecule that binds chloride ions -- but can be conveniently compelled to release the ions in the presence of ultraviolet light. Reporting in the Journal of the American Chemical Society today (online), IU Bloomington chemist Amar Flood and Ph.D. student Yuran Hua explain how they designed the molecule, how it works and, just as importantly, how they know it works. Full Story >>

Closing in on a carbon-based solar cell

Graphene space-filling model

To make large sheets of carbon available for light collection, Indiana University Bloomington chemists have devised an unusual solution -- attach what amounts to a 3-D bramble patch to each side of the carbon sheet. Using that method, the scientists say they were able to dissolve sheets containing as many as 168 carbon atoms, a first. The scientists' report, online today (April 9), will appear in a future issue of Nano Letters, an American Chemical Society journal. Full Story >>

IU chemist Dongwhan Lee elected a Sloan Fellow

Dongwhan Lee

The Alfred P. Sloan Foundation has awarded Indiana University Bloomington chemist Dongwhan Lee its 2008 Sloan Research Fellowship, a coveted $50,000 early-career grant. The fellowship is intended to enhance the careers of young faculty members in chemistry, computational and evolutionary molecular biology, computer science, economics, mathematics, neuroscience and physics. Full Story >>