• Citer

Probing molecular cavities in alpha-cyclodextrin solutions by Xenon NMR

par Bartik, Kristin ;Luhmer, Michel ;Heyes, Stephen J.;Ottinger, Robert ;Reisse, Jacques
Référence Journal of magnetic resonance. Series B, 109, 2, page (164-168)
Publication Publié, 1995

Article révisé par les pairs

• Accès en ligne
• Détails
• Contenu
• Statistiques

Résumé :

[129]Xe NMR has been used to investigate intermolecular interactions between xenon and α-cyclodextrin in H[2]O and in DMSO. Nuclear Overhauser enhancement effects confirmed the formation of a xenon-cyclodextrin complex. Chemical shifts were measured in solutions containing different concentrations of α-cyclodextrin and in solutions containing linear oligosaccharides. The experimental data are interpreted on the basis of a three-site model for xenon. The binding characteristics of the xenon-cyclodextrin system, including the [129]Xe NMR chemical shift in the cavity and the equilibrium constants, were determined and are discussed.