A Study on Solubilization of Poorly Soluble Drugs by Cyclodextrins and Micelles: Complexation and Binding Characteristics of Sulfamethoxazole and Trimethoprim

Figure 5

(a) Visible absorption spectra of TMP (4.0×10⁻⁵ M) at various concentrations of γ-CD at 298 K: (1) no γ-CD, (2) 1 mM, (3) 2 mM, (4) 4 mM, (5) 6 mM, (6) 8 mM, (7) 10 mM γ-CD. (b) Visible absorption spectra of SMX (4.0×10⁻⁵ M) at various concentrations of β-CD at 298 K: ↑ (1) no γ-CD, (2) 1 mM, (3) 2 mM, (4) 3 mM, (5) 4 mM, (6) 6 mM, (7) 8 mM, (8) 10 mM γ-CD.

(a)

(b)