Infrared spectra of phosphatidylethanolamine-cardiolipin binary system (Articolo in rivista)

Type
Label
  • Infrared spectra of phosphatidylethanolamine-cardiolipin binary system (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.colsurfb.2008.01.007 (literal)
Alternative label
  • Lupi, S; Perla, A; Maselli, P; Bordi, F; Sennato, S (2008)
    Infrared spectra of phosphatidylethanolamine-cardiolipin binary system
    in Colloids and surfaces. B, Biointerfaces (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lupi, S; Perla, A; Maselli, P; Bordi, F; Sennato, S (literal)
Pagina inizio
  • 56 (literal)
Pagina fine
  • 64 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 64 (literal)
Rivista
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Lupi, S.; Perla, A.; Maselli, P.] Univ Roma La Sapienza, CNR, INFM, COHERENTIA, I-00185 Rome, Italy; [Lupi, S.; Perla, A.; Maselli, P.; Bordi, F.; Sennato, S.] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy; [Bordi, F.; Sennato, S.] Univ Roma La Sapienza, CNR, INFM, SOFT, I-00185 Rome, Italy (literal)
Titolo
  • Infrared spectra of phosphatidylethanolamine-cardiolipin binary system (literal)
Abstract
  • We report on the infrared spectra of binary di-palmitoyl-phosphatidyl-ethanolamine-cardiolipin (DPPE1-xCLPx) monolayers and multilamellar vesicles as a function of CLP molar fraction x and temperature T. These data, which clearly show the presence of, at least, two kind of lipid domains with different thermodynamic stability and ordering of the lipid acyl chains, are consistent with similar domains observed in Langmuir-Blodgett films of the same binary system. Infrared results suggest the presence of lateral phase separation phenomena both in the bilayers and in the monolayers build up with this binary lipid mixture. These results further support the hypothesis that, within these structures, DPPE1-xCLPx molecules, for given values of x, are organized in a superlattice as shown by thermodynamic and AFM measurements. (C) 2008 Elsevier B.V. All rights reserved. (literal)
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