Binding of Coumarin 334 with β-Cyclodextrin and with C-Hexylpyrogallol[4]arene: Opposite Fluorescence Behavior

Figure 8

(a) Absorbance spectra of C334 at various pH in water. (b) Absorbance spectra of C334 at various pH in β-CD. (c) Absorbance spectra of C334 at various pH in C-HPA.

(a)

(b)

(c)