Avinash S Kumbhar
Articles written in Journal of Chemical Sciences
Volume 117 Issue 2 March 2005 pp 153-159
Mixed-ligand complexes of the type [Ru(N-N)2(dzdf)]Cl2, where N-N is 2,2′-bipyridine (bpy), 1,10-phenanthroline (phen) and 9-diazo-4,5-diazafluorene (dzdf), have been synthesized and characterized by elemental analysis, UV-Vis, IR and NMR spectroscopy. Binding of these complexes with calf thymus DNA (CT-DNA) has been investigated by absorption spectroscopy, steady-state emission spectroscopy and viscosity measurements. The experimental results indicate that the size and shape of the intercalating ligands have marked effect on the binding affinity of the complexes to CT-DNA. The complex [Ru(phen)2(dzdf)]Cl2 binds with CT-DNA through an intercalative binding mode, while the complex [Ru(bpy)2(dzdf)]Cl2 binds electrostatically.
Volume 130 Issue 7 July 2018 Article ID 0075
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