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  • Title: Effect of inclusion complexation on the photophysical behavior of diphenylamine in β-cyclodextrin medium: a study by electronic spectra.
    Author: Rajamohan R, Swaminathan M.
    Journal: Spectrochim Acta A Mol Biomol Spectrosc; 2011 Dec; 83(1):207-12. PubMed ID: 21900038.
    Abstract:
    Spectral characteristics of diphenylamine (DPA) have been investigated in β-cyclodextrin (β-CDx) solution. The formation of the complex was revealed by UV, steady state and time-resolved fluorescence spectroscopy. The stoichiometry of DPA:β-CDx complex, determined using Benesi-Hildebrand equation and Job's continuous variation method is 1:1. The binding constants calculated from various methods are reported. This inclusion complex formation from DPA and β-CDx was also confirmed by the FT-IR spectral study and SEM image analysis of solid complex prepared by co-precipitation method.
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