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Host-guest interactions involving cyclodextrins: useful complementary insights achieved by polarimetry

  • Autori: LO MEO, P.; D'Anna, F.; Riela, S.; Gruttadauria, M.; Noto, R.
  • Anno di pubblicazione: 2007
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • OA Link:


By means of simple polarimetry, we studied the binding abilities of native a-, b-, and g-cyclodextrins toward a group of suitably chosen model guests.We were able to get reliable estimations of the binding constants K, spread over a wide range (from 3.7 to 12,300 M1), allowing us to carry on interesting comparisons. A comprehensive discussion of polarimetric data, and in particular a detailed analysis of the variations DQ of molar optical activities consequent to inclusion, offered us the opportunity to get useful insights into the structure and dynamic behavior of host–guest complexes.