Synthetic Coordination/Bio-Inorganic/Organometallic Chemistry. Small molecule activation / Anti-Cancer Activity of Ruthenium (II) Arene Complexes / Transition metal polypyridyl complexes for DNA binding/cleavage/anticancer activities / Designed Photoactive Transition Metal Nitrosyl for site-specific NO delivery / Metal catalyzed Water Splitting / Carbon Dioxide Reduction / Hydrogen Generation. Applications of molecular catalysts in functional devices to produce solar fuels.