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Research in our laboratories is focussed in three main areas. The synthesis of analogs for certain metal cluster, active sites, important in enzymatic catalysis. The design and synthesis of supramolecular assemblies for use as molecular devices. The discovery and use of metal complexes in medicine and particularly cancer treatment. The enzyme nitrogenase uses a unique cluster, with a Fe7MoS9 core, to catalyze the life sustaining , multielectron, reduction of atmospheric dinitrogen to ammonia. We are actively pursuing research that involves the synthesis , structural characterization and reactivity of synthetic Fe/Mo/S clusters designed as models for nitrogenase. To date we have obtained a multitude of new clusters, some of which are catalytically active in the reduction of nitrogenase substrates. The ultimate aim of this research is to develop synthetic, nitrogen-fixing catalysts that function at ambient temperatures and pressure and may be applied directly to crops in the field to produce ammonia in situ. Ammonia is a very important fertilizer and presently is obtained commercially by the energy demanding, environmentally unfriendly Haber-Bosch process.
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ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY (2012)
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ChemInformno. 12 (2010)
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