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2D ROESY 1H NMR of the 18:1βCDg-Mel complexes at (a) 1:1, (b) 2:1, (c) 3:1, and (d) 5:1 mole ratios. The cross-peaks for the βCD-Mel and βCD-gemini surfactant interactions are shown in panels A and B. (A) interaction between Mel and βCD cavity and (B) gemini surfactant alkenic region with βCD cavity.
