Table 3.
The quenching constant, binding constant, number of binding sites and thermodynamic parameters for the interactions of the complexes 1 and 2 with BSA.
| Complexes | Temp (K) | Quenching Constant (kq) (1013 M−1 s−1) | Binding Constant (Kb) | Binding Site (n) | ∆G° (kJ mol−1) | ∆S° (J mol−1 K−1) | ∆H° (kJ mol−1) |
|---|---|---|---|---|---|---|---|
| Complex 1 | 285 | 1.6763 | 6.8359 × 104 | 0.9631 | −26.100 | ||
| 292 | 1.3531 | 1.0363 × 105 | 0.9878 | −28.036 | +335.928 | +69.429 | |
| 299 | 1.0862 | 2.1217 × 105 | 0.9982 | −31.086 | |||
| Complex 2 | 285 | 1.4802 | 2.1547 × 104 | 0.8695 | −23.642 | ||
| 292 | 1.2245 | 3.2151 × 104 | 0.8732 | −25.195 | +383.182 | +85.617 | |
| 299 | 1.0114 | 1.1752 × 105 | 0.9937 | −29.010 |