Abstract
The spectral characteristics of the surfactant, Triton X-100, in the absence and presence ofβ-cyclodextrin have been examined. The fluorescence of Triton X-100 is concentration dependent and is markedly enhanced in the presence ofβ-cyclodextrin. Analysis of the variations in the excitation-emission profiles of the surfactant with concentration suggests excimer emission at concentrations above the critical micelle concentration (CMC). Nuclear magnetic resonance (NMR) spectroscopy suggests that the phenyl group is included inside the CD cavity while a portion of the ethylene oxide chain extends outside the cavity. Benesi-Hildebrand type equations were derived to determine the stoichiometry and to estimate the formation constant of the CD: Sf complex.
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Smith, V.K., Ndou, T.T., Muñoz De La Peña, A. et al. Spectral characterization ofβ-Cyclodextrin : Triton X-100 complexes. J Incl Phenom Macrocycl Chem 10, 471–484 (1991). https://doi.org/10.1007/BF01061077
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DOI: https://doi.org/10.1007/BF01061077