DNA Interaction Studies of a Cobalt(II) Mixed-Ligand Complex Containing Two Intercalating Ligands: 4,7-Dimethyl-1, 10-Phenanthroline and Dipyrido[3,2-a:𝟐^′,𝟑^′-c]phenazine

Figure 2

Absorption spectra of the complex in 10 mM Tris buffer at pH 7.2, upon addition of CT-DNA. ([Co] = 50 μM, [DNA] = 0–300 μM). Arrow shows the absorbance changing upon increasing of DNA concentrations.