β-Carboline Silver Compound Binding Studies with Human Serum Albumin: A Comprehensive Multispectroscopic Analysis and Molecular Modeling Study

Table 1

Stern–Volmer quenching constants and bimolecular quenching rate constant for the interaction of HSA with four Ag(I) Hnor compounds.

Complex	KSV (10^5) (M^−1)	Kq (10^12) (M^−1·s^−1)	K (10^6) (M^−1)		∆G (kJ mol^−1)
1 (ClO4^−)	5.37	53.7	3.74	1.1	−37.50
2 (NO3^−)	5.34	53.4	3.64	1.0	−37.44
3 (PF6^−)	4.53	45.3	0.55	1.2	−32.73
4 (BF4^−)	3.97	39.7	1.14	1.1	−34.55
Hnor	2.95	29.5	0.33	1.0	−31.40
AgNO3	3.10	31.0	1.94	1.1	−35.88