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Table 1 Quenching constants (KSV and Kq), stability constants (Ka), correlation coefficients (R) and binding site numbers (n) and thermodynamic parameters calculated according to Stern–Volmer plots and double logarithm plots of HSA + paeoniflorin system at three temperatures

From: Study on the interaction of paeoniflorin with human serum albumin (HSA) by spectroscopic and molecular docking techniques

HSA + paeoniflorin (K) KSV (L mol−1) Kq (L mol−1 s−1) R2 KA (L mol−1) n ∆G0 (kJ mol−1) ∆H0 (kJ mol−1) ∆S0 (J mol−1 K−1)
288 0.569 × 104 0.9483 × 1012 0.9965 1.909 × 103 0.9053 − 18.10   
298 0.545 × 104 0.9083 × 1012 0.9941 1.680 × 103 0.8977 − 18.38 − 9.98 28.18
310 0.521 × 104 0.8683 × 1012 0.9873 1.421 × 103 0.8868 − 18.72   
  1. From 0.00 × 10−5 to 1.25 × 10−5 mol L−1 at 2.50 × 10−6 mol L−1 intervals ([HSA] = 1.0 × 10−5 mol L−1, T = 288, 298 and 310 K)