Ruthenium(ii) complexes of 6-hydroxydipyrido[3,2-a:2′,3′-c]phenazine: self-association, and concentration-dependent acid–base and DNA-binding properties

2008 ◽  
Vol 32 (6) ◽  
pp. 970 ◽  
Author(s):  
Mei-Jiao Han ◽  
Yan-Min Chen ◽  
Ke-Zhi Wang
Keyword(s):  
Dna Binding ◽  
Acid Base ◽  
Binding Properties ◽  
Self Association ◽  
Dna Binding Properties

Synthesis, and Acid–Base and DNA-Binding Properties of a Thiophen-Appended Ruthenium Complex

2011 ◽  
Vol 64 (2) ◽  
pp. 206 ◽  
Author(s):  
Hong Luo ◽  
Zhi-Ping Wang ◽  
An-Guo Zhang ◽  
Ke-Zhi Wang
Keyword(s):  
Dna Binding ◽  
Density Functional ◽  
Ruthenium Complex ◽  
Theoretical Calculations ◽  
Ionization Constants ◽  
Acid Base ◽  
Binding Properties ◽  
Emission Quenching ◽  
Melting Experiments ◽  
Dna Binding Properties

2-(5-Phenylthiophen-2-yl)-1H-imidazo[4,5-f][1,10]phenanthroline (Hptip) and its RuII complex [Ru(bpy)2(Hptip)](PF6)2 (where bpy = 2,2′-bipyridine) have been synthesized and characterized by elemental analysis, 1H NMR spectroscopy, and mass spectrometry. The acid–base properties of the complex were studied by UV-visible and luminescence spectrophotometric pH titrations, and ground- and excited-state acidity ionization constants were derived. The DNA-binding properties of [Ru(bpy)2(Hptip)](PF6)2 were also investigated by means of UV-vis and emission spectroscopy, salt effects, steady-state emission quenching by [Fe(CN)6]4–, DNA competitive binding with ethidium bromide, DNA melting experiments, and viscosity measurements. Density functional theoretical calculations were also carried out in order to understand the DNA binding properties.

Self-association and DNA-binding properties of two triple helix-specific ligands: comparison of a benzo[e]pyridoindole and a benzo[g]pyridoindole

1993 ◽  
Vol 115 (22) ◽  
pp. 9942-9951 ◽  
Author(s):  
Daniel S. Pilch ◽  
Marie Therese Martin ◽  
Chi Hung Nguyen ◽  
Jian Sheng Sun ◽  
Emile Bisagni ◽  
...  
Keyword(s):  
Dna Binding ◽  
Triple Helix ◽  
Binding Properties ◽  
Self Association ◽  
Dna Binding Properties

Self-association and DNA binding properties of the human topoisomerase IIA α2HTH module

Biochimie ◽  
2006 ◽  
Vol 88 (3-4) ◽  
pp. 253-263 ◽  
Author(s):  
A MORANTLHOMEL ◽  
B RENE ◽  
L ZARGARIAN ◽  
F TROALEN ◽  
O MAUFFRET ◽  
...  
Keyword(s):  
Dna Binding ◽  
Binding Properties ◽  
Topoisomerase Iia ◽  
Self Association ◽  
Dna Binding Properties
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