Antimicrobial Activity and DNA/BSA Binding Affinity of Polynuclear Silver(I) Complexes with 1,2-Bis(4-pyridyl)ethane/ethene as Bridging Ligands

Table 2

Values of the binding constants of silver(I) complexes 1–3 with ctDNA.

Complex	UV-Vis titration		Fluorescent titration
	Kb (M^−1)	ΔG^o (kcal/mol)	Ksv (M^−1)	Hypochromism (%)	Кq (M^−1·s^−1)	KA (M^−1)	n
1	6.65^.10^5	−7.9	(2.53 ± 0.21)^.10^3	11.3	2.53^.10^11	1.8^.10^4	1.40
2	4.58^.10^5	−7.7	(2.39 ± 0.51)^.10^3	12.0	2.39^.10^11	4.22^.10^4	0.80
3	6^.10^5	−7.8	(9.07 ± 0.70)^.10^2	3.8	9.07^.10^10	59.16	0.72