http://www.cnr.it/ontology/cnr/individuo/prodotto/ID172984
The effect of Cyclodextrins on the physicochemical properties of Chlorophyll a in aqueous solution (Articolo in rivista)
- Type
- Label
- The effect of Cyclodextrins on the physicochemical properties of Chlorophyll a in aqueous solution (Articolo in rivista) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1021/jp047132p (literal)
- Alternative label
Dentuto P.L., L. Catucci, P. Cosma, P. Fini, L. D'Accolti, A. Agostiano, C. Trevithick-Sutton, C.S. Foote (2005)
The effect of Cyclodextrins on the physicochemical properties of Chlorophyll a in aqueous solution
in The journal of physical chemistry. B
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Dentuto P.L., L. Catucci, P. Cosma, P. Fini, L. D'Accolti, A. Agostiano, C. Trevithick-Sutton, C.S. Foote (literal)
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- ISI Web of Science (WOS) (literal)
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- Catucci L., Dipartimento di Chimica, Università degli Studi di Bari
Cosma P., Dipartimento di Chimica, Università degli Studi di Bari
Agostiano A., Dipartimento di Chimica, Università degli Studi di Bari (literal)
- Titolo
- The effect of Cyclodextrins on the physicochemical properties of Chlorophyll a in aqueous solution (literal)
- Abstract
- The interactions between chlorophyll a and two P-cyclodextrins. that have the same cavity size but different substituents, were studied in aqueous solutions. These supramolecular host-guest complexes were examined by a combination of UV/vis absorption, circular dichroism. NMR, and steady-state and time-resolved fluorescence measurements. The results indicate that all cyclodextrins solubilize the pigment mainly in monomeric form in water. The pigment forms 1:1 complexes with the heptakis(2,3,6-tri-O-methyl)-beta- cyclodextrin and 1:2 complexes with the hydroxypropyl-beta-cyclodextrin. In such complexes the methyl groups of the cyclodextrin inner cavity are involved in the interaction with the pigment as evidenced by NMR measurements. We also measured the luminescence of sin2let oxygen photosensitized by chlorophyll a in the inclusion complexes.
Accession Number: WOS:000226449800037 (literal)
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