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- W2112294559 abstract "Two novel chiral ruthenium(II) complexes, Δ-[Ru(bpy)2(dmppd)]2+ and Λ-[Ru(bpy)2(dmppd)]2+ (dmppd = 10,12-dimethylpteridino[6,7-f] [1,10]phenanthroline-11,13(10H,12H)-dione, bpy = 2,2′-bipyridine), were synthesized and characterized by elemental analysis, 1H-NMR and ES-MS. The DNA-binding behaviors of both complexes were studied by UV/VIS absorption titration, competitive binding experiments, viscosity measurements, thermal DNA denaturation, and circular-dichroism spectra. The results indicate that both chiral complexes bind to calf-thymus DNA in an intercalative mode, and the Δ enantiomer shows larger DNA affinity than the Λ enantiomer does. Theoretical-calculation studies for the DNA-binding behaviors of these complexes were carried out by the density-functional-theory method. The mechanism involved in the regulating and controlling of the DNA-binding abilities of the complexes was further explored by the comparative studies of [Ru(bpy)2(dmppd)]2+ and of its parent complex [Ru(bpy)2(ppd)]2+ (ppd = pteridino[6,7-f] [1,10]phenanthroline-11,13 (10H,12H)-dione)." @default.
- W2112294559 created "2016-06-24" @default.
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- W2112294559 date "2007-01-01" @default.
- W2112294559 modified "2023-10-18" @default.
- W2112294559 title "Synthesis, Characterization, and DNA-Binding Properties of the Chiral Ruthenium(II) Complexes Δ- and Λ-[Ru(bpy)2(dmppd)]2+ (dmppd = 10,12-Dimethylpteridino[6,7-f] [1,10]phenanthroline-11,13(10H,12H)-dione; bpy = 2,2′-Bipyridine)" @default.
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- W2112294559 doi "https://doi.org/10.1002/hlca.200790019" @default.
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