Synthesis, Characterization, DNA-Binding, and DNA-Photocleavage Properties of [Co(bpy)₂(7-NO₂-dppz)]³⁺, [Co(dmb)₂(7-NO₂-dppz)]³⁺, and [Co(phen)₂(7-NO₂-dppz)]³⁺ Complexes: (7-Nitro-dppz = 7-Nitro dipyrido[3,2-a:2′-3′-c]phenazine; bpy = 2,2′-bipyridine; dmb = 4,4′-dimethyl-2,2′-bipyridine; phen = 1,10-phenanthroline) and their Toxicity on Different Microorganisms

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