Study on the aggregation and electrochemical properties of Rose Bengal in aqueous solutions of cyclodextrin (Articolo in rivista)

Type
Label
  • Study on the aggregation and electrochemical properties of Rose Bengal in aqueous solutions of cyclodextrin (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.bioelechem.2006.03.011 (literal)
Alternative label
  • Paola Fini b,?, Raffaele Loseto a, Lucia Catucci a, Pinalysa Cosma a, Angela Agostiano a,b (2007)
    Study on the aggregation and electrochemical properties of Rose Bengal in aqueous solutions of cyclodextrin
    in Bioelectrochemistry (Amsterdam)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Paola Fini b,?, Raffaele Loseto a, Lucia Catucci a, Pinalysa Cosma a, Angela Agostiano a,b (literal)
Pagina inizio
  • 39 (literal)
Pagina fine
  • 43 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 70 (literal)
Rivista
Note
  • Scopus (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a Dipartimento di Chimica, Universita' di Bari, Via Orabona 4, 70126 Bari, Italy b IPCF-CNR, sezione di Bari, c/o Dipartimento di Chimica, Università degli Studi di Bari, Via Orabona 4, 70126 Bari, Italy (literal)
Titolo
  • Study on the aggregation and electrochemical properties of Rose Bengal in aqueous solutions of cyclodextrin (literal)
Abstract
  • The interactions of Rose Bengal (RB) with ?-cyclodextrin (?-CD), hydroxypropyl-?-cyclodextrin (HP-?-CD), hydroxypropyl-?-cyclodextrin (HP-?-CD), heptakis(2,3,6-tri-O-methyll)-?-cyclodextrin (TM-?-CD) were studied in aqueous solutions of 0.1 M KClO4 and 0.1 M LiClO4 by vis absorption, fluorescence spectroscopy as well as electrochemical measurements at 298 K. The spectrophometric results indicate that RB is included in all ?- and ?-CDs forming complexes with a stoichiometry 1:1 whose stability is slightly higher in KClO4 than in LiClO4 solutions. The complex stability constants determined for salt-containing CD solutions are lower than those for water solutions. The complexation of RB with ?- and ?-CD and the differences between the complexes obtained in the presence of the two salts were confirmed by an electrochemical study. (literal)
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