Fluorescence spectra and lifetimes of thioflavin T (ThT) in aqueous solutions of γ-cyclodextrin (γ-CD) were studied. Enhancements of the probe fluorescence intensity and lifetime were shown to result from the formation of two types (1:1 and 1:2) of ThT–γ-CD inclusion complexes. The formation constants of these complexes were determined based on spectral-kinetic measurements. Proof was provided that the probe did not form dimers at low concentrations (10−6–10−5 M).
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 80, No. 1, pp. 39–45, January–February, 2013.
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Maskevich, A.A., Kurhuzenkau, S.A. & Lickevich, A.Y. Fluorescence spectral analysis of thioflavin T–γ-cyclodextrin interaction. J Appl Spectrosc 80, 36–42 (2013). https://doi.org/10.1007/s10812-013-9717-4
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DOI: https://doi.org/10.1007/s10812-013-9717-4