The enhancement of isoflavones water solubility by complexation with modified cyclodextrins: a spectroscopic investigation with implications in the pharmaceutical analysis (Articolo in rivista)

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Label
  • The enhancement of isoflavones water solubility by complexation with modified cyclodextrins: a spectroscopic investigation with implications in the pharmaceutical analysis (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jpba.2007.03.025 (literal)
Alternative label
  • R. Stancanelli; A. Mazzaglia; S. Tommasini; M.L. Calabrò; V. Villari; M. Guardo; P. Ficarra; R. Ficarra (2007)
    The enhancement of isoflavones water solubility by complexation with modified cyclodextrins: a spectroscopic investigation with implications in the pharmaceutical analysis
    in Journal of pharmaceutical and biomedical analysis (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • R. Stancanelli; A. Mazzaglia; S. Tommasini; M.L. Calabrò; V. Villari; M. Guardo; P. Ficarra; R. Ficarra (literal)
Pagina inizio
  • 980 (literal)
Pagina fine
  • 984 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 44 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento Farmaco-Chimico, Facoltà di Farmacia, Università di Messina, V.le Annunziata, 98168 Messina, Italy CNR-Istituto per lo Studio dei Materiali Nanostrutturati, c/o Dipartimento di Chimica Inorganica, Chimica Analitica e Chimica Fisica, Universit`a di Messina, Salita Sperone 31, 98166 Messina, Italy CNR-Istituto per i Processi Chimico-Fisici, Via La Farina 237, 98123 Messina, Italy (literal)
Titolo
  • The enhancement of isoflavones water solubility by complexation with modified cyclodextrins: a spectroscopic investigation with implications in the pharmaceutical analysis (literal)
Abstract
  • The improvement of isoflavones bioavailability by complexation with chemically modified cyclodextrins (CyDs) has been exploited to analyse the drug/macrocycle binding affinity by a conventional method with newuseful measures. Genistein (Gen) and daidzein (Daidz) were investigated in aqueous medium and in presence an amount of (2-hydroxypropyl)-beta-cyclodextrin (HP-beta-CyD) at different host/guest molar ratios. The solubility in pure water, 3 micromolar for Gen and 10 micromolar for Daidz, was obtained by distributing the of guest molecule between water and the organic solvent. The stoichiometric ratios and stability constants describing the extent of formation of the complexes have been determined by phase-solubility UV–vis measurements and confirmed by circular dichroism data. These results have implications in the determination of the carrier's capacity for the complexation of the drug in water solution. (literal)
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