Complexation of the Surfactants Triton X-102 and Igepal CA720 with β-Cyclodextrin

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Abstract:

The surfactants Igepal CA720 (IpICA7) and Triton X-102 (TX-102) and their interaction with β-cyclodextrin were studied with the use of various photophysical and photochemical methods. The fluorescence and absorbance spectra of these surfactants are concentration dependent and markedly enhanced in the presence of β-cyclodextrin. Nuclear magnetic resonance (NMR) spectroscopy infers that the phenyl group of these surfactants is included inside the β-CDx cavity. The orientation of the phenyl moiety of the surfactant molecule inside the β-CDx cavity was investigated with the use of induced circular dichroism (ICD).

Keywords: Absorbance; Circular dichroism; Cyclodextrin; Fluorescence; Nonionic surfactants; Nuclear magnetic resonance

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702924125050

Affiliations: Department of Chemistry, Emory University, Atlanta, Georgia 30322

Publication date: April 1, 1992

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