Binding geometry and photophysical properties of DNA-threading binuclear ruthenium complexes

Article Abstract:

Study is conducted to characterize in detail the DNA binding geometry of the flexible 'light switch' dimer [[mu-bidppz([phen.sub.4])[Ru.sub.2].sup.4+] (2) and further compare to the rigid, planar homologue in syn conformation [[mu-dtpf([phen.sub.4])[Ru.sub.2].sup.4+] (3). The results show that both enantiomers of 3, which is regarded as a planar syn rotamer of 2, intercalate into poly[dAdT.sub.2] with overall binding geometries similar to those of corresponding enantiomers of 2.

Optical properties, DNA-ligand interactions, DNA binding

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Photophysical properties of soluble polypyrrole-polypyridyl-ruthenium(II) complexes

Article Abstract:

The study is done on the photophysical properties of polypyridyl ruthenium (II) complexes substituted by pyrrole groups and of their corresponding soluble polymers synthesized either by electroxidative or photoredox techniques. By using the photophysical data, attempts were made to study the polymer architecture.

Analysis, Chemistry, Analytic, Analytical chemistry, Photosynthesis

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Preparation and properties of a soluble polypyrrole-polypyridyl-ruthenium (II)-viologen dyad

Article Abstract:

Two kinds of bisviologen-linked [Ru(bpy)(sub 3)(super 2 +) complexes were synthesized. This system can be effectively used in photoinduced redox processes.

Chemical synthesis, Chemical properties

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