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Articles by Jun-Hua Yao
Total Records ( 2 ) for Jun-Hua Yao
  Yun-Jun Liu , Jian-Feng He , Jun-Hua Yao , Wen-Jie Mei , Fu-Hai Wu and Li-Xin He
  Two polypyridine ruthenium(II) complexes, [Ru(dmp)2(MCMIP)]2+ (1) (MCMIP = 2-(6-methyl-3-chromonyl)imidazo[4,5-f][1,10]-phenanthroline, dmp = 2,9-dimethyl-1,10-phenanthroline) and [Ru(dmb)2(MCMIP)]2+ (2) (dmb = 4,4′-dimethyl-2,2′-bipyridine), have been synthesized and characterized by elemental analysis, ES-MS and 1H NMR. The DNA-binding behaviors of these complexes were investigated by electronic absorption titration, fluorescence spectroscopy, viscosity measurements and thermal denaturation. The results show that 1 and 2 effectively bind to CT-DNA; the DNA-binding affinities are closely related to the ancillary ligand.
  YI Liu , Yun-Jun Liu , Jun-Hua Yao , Wen-Jie Mei and Fu-Hai Wu
  Two Ru(II) complexes [Ru(dmb)2(dtmi)](ClO4)2 (1) (dmb = 4, 4’-dimethyl-2, 2’-bipyridine, dtmi = 3-(pyrazin-2-yl)-as-triazino[5, 6-f]-5-methoxylisatin) and [Ru(dmb)2(dtni)](ClO4)2 (2) (dtni = 3-(pyrazin-2-yl)-as-triazino[5, 6-f]-5-nitroisatin) have been synthesized and characterized by elemental analysis, ES-MS, and 1H NMR. DNA-binding behaviors of these complexes have been investigated by spectroscopic titration, viscosity measurements, and thermal denaturation. The results indicate that the two complexes interact with calf thymus DNA by intercalation.
 
 
 
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