Interaction of a luminescent platinum(II) complex of substituted 2,2′-bipyridine with DNA. Spectroscopic and photophysical studies
Abstract
Intercalation of the [PtII(5,5′-Me2bpy)(4-ampy)2]2+(5,5′-Me2bpy = 5,5′-dimethyl-2,2′-bipyridine, 4-ampy = 4-aminopyridine) complex into calf-thymus DNA is accompanied by an observed hypochromicity in the UV–VIS spectral changes and an increase in both the intensity and lifetime of the emission of the platinum complex.
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