Research Article

4-Hydroxycoumarin Derivative: N-(diphenylmethyl)-2-[(2-oxo-2H-chromen-4-yl)oxy]acetamide Interaction with Human Serum Albumin

Figure 2

(a) Steady-state emission fluorescence spectroscopy studies of human serum albumin (1 µM) with the coumarin derivative complex (0–3.6 µM, 0.3 μM intervals). (b) The Stern–Volmer quenching constant of the HSA-coumarin derivative complex with different temperatures. (c) The double logarithmic plot of HSA with the coumarin derivative complex at different temperatures.