Spectroscopic Effects of Organized Media on a Cyanine Dye/Phenanthrene Derivative

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Absorbance and fluorescence characteristics of a cyanine dye/phenanthrene derivative are studied in the presence of β- and γ-cyclodextrin, Brij 35, cetyltrimethyl ammonium bromide (CTAB), and sodium dodecyl sulfate (SDS). The apparent association constant for the dye cyclodextrin complex is estimated with the use of Benesi-Hildebrand equations. Absorbance measurements are used to estimate the dimerization constant of the dye in aqueous solution.

Keywords: Cyanine dye; Cyclodextrin; Fluorescence; Surfactant; β-cyclodextrin

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702924926862

Affiliations: 1: Department of Chemistry, Georgia State University, Atlanta, Georgia 30303 2: Department of Chemistry, Emory University, Atlanta, Georgia 30322; present address: Gillette Research Institute, Gaithersburg, MD 20879 3: Department of Chemistry, Emory University, Atlanta, Georgia 30322

Publication date: November 1, 1992

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