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(a) Fluorescence spectra for Orange II at 5 × 10–5 M (aq.) with increasing amounts of γ-CD with 484 nm excitation. The arrow indicates an increase in the mole ratio of γ-CD/O-II in the following manner: 0, 0.05, 0.10, 0.20, 0.50, 1.0. (b) Fluorescence spectra for 0.05 M (aq.) O-II and 0.05 M (aq.) O-II/γ-CD with 484 nm excitation.
