TABLE 1.

The binding constant (K_b), number of binding sites (n), the biomolecular quenching rate constant (k_q), the Stern-Volmer constant (K_SV), ΔS˚, ΔH˚ and ΔG˚ for the interaction BSA with Ho-complex and Dy- complex at 295, 298, 301, and 303 K.

	(K)T	KSV × 10−4 (M−1)	kq × 10−12 (M−1s−1)	n	Kb × 10−5 (M−1)	∆G˚ (kJ/mol)	ΔH˚ (kJ/mol)	ΔS˚ (J/mol.K)
	295	8.04 ± 0.04	8.04 ± 0.04	1.17	6.60 ± 0.03	−32.86 ± 0.06
Ho	298	6.82 ± 0.05	6.82 ± 0.05	1.16	5.13 ± 0.04	−32.57 ± 0.04	−81.87 ± 0.04	−185.94 ± 0.06
	301	6.35 ± 0.03	6.35 ± 0.03	1.13	3.31 ± 0.05	−31.80 ± 0.03
	303	3.95 ± 0.03	3.95 ± 0.03	1.15	2.63 ± 0.03	−31.44 ± 0.03
	295	6.94 ± 0.04	6.94 ± 0.04	1.17	6.02 ± 0.06	−32.64 ± 0.02
Dy	298	6.47 ± 0.05	6.47 ± 0.05	1.15	4.17 ± 0.03	−32.06 ± 0.04	−111.63 ± 0.06	−264.41 ± 0.04
	301	3.84 ± 0.04	3.84 ± 0.04	1.15	2.69 ± 0.05	−31.29 ± 0.06
	303	2.45 ± 0.06	2.45 ± 0.06	1.16	1.77 ± 0.03	−30.45 ± 0.05