841409.fig.003
Figure 3: Absorption spectra of Oxy (3.17 mM) in methanol/water mixture (85 : 15, v/v) as a function of β-CD’s concentration at 25°C. [β-CD] (M): (A) 0; (B) 1.56; (C) 3.13; (D) 4.69; (E) 6.25; (F) 7.81; (G) 9.37. Stirring time: 6 hours.