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Emission spectra of Hoechst 33258 bound to CT-DNA in the presence of increasing concentrations of (a) L and (b) [Ag2L2]2+ (from 0 to 150 μM); ([Hoechst 33258] = 10 μM, [CT-DNA] = 20 μM). Arrows show the hyperchromic changes upon increasing concentrations of compounds.
