http://www.cnr.it/ontology/cnr/individuo/prodotto/ID39643
Tetrakis(4-pyridyl)porphyrin supramolecular complexes with cyclodextrins in aqueous solution (Articolo in rivista)
- Type
- Label
- Tetrakis(4-pyridyl)porphyrin supramolecular complexes with cyclodextrins in aqueous solution (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1562/2005-09-26-RA-694 (literal)
- Alternative label
Dentuto P.L., L. Catucci, P. Cosma, P. Fini, A. Agostiano, L. Monsù Scolaro, N. Micali (2006)
Tetrakis(4-pyridyl)porphyrin supramolecular complexes with cyclodextrins in aqueous solution
in Photochemistry and photobiology
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Dentuto P.L., L. Catucci, P. Cosma, P. Fini, A. Agostiano, L. Monsù Scolaro, N. Micali (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Catucci L, Dipartimento di Chimica, Università degli Studi di Bari
Agostiano A, Dipartimento di Chimica, Università degli Studi di Bari
Cosma P, Dipartimento di Chimica, Università degli Studi di Bari (literal)
- Titolo
- Tetrakis(4-pyridyl)porphyrin supramolecular complexes with cyclodextrins in aqueous solution (literal)
- Abstract
- The formation of inclusion complexes of hydroxypropyl-beta-cyclodextrin, heptakis(2,6-di-O-methyl)-beta-cyclodextrin and heptakis(2,3,6-tri-O-methyl)-beta-cyclodextrin with 5,10,15,20-tetrakis(4-pyridyl)porphyrin (TpyP) has been studied in aqueous buffer solution (phosphate buffer pH = 7 and I = 0.01 M) to give a structural and spectroscopic characterization of a new class of potential sensitizers for photodynamic therapy. The interaction was investigated by a combination of UV/Vis absorption, fluorescence anisotropy, time-resolved fluorescence and circular dichroism. The experimental results point to the presence of the pigment in water in a monomeric complexed form. The fluorescence anisotropy measurements suggest that TpyP forms 1:1 complexes with heptakis(2,3,6-tri-O-methyl)-beta-cyclodextrin and hydroxypropyl-beta-cyclodextrin, while 1:2 complexes are obtained with heptakis(2,6-di-O-methyl)-beta-cyclodextrin. (literal)
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