In situ time-resolved X-ray diffraction study of octacalcium phosphate transformations under physiological conditions (Articolo in rivista)

Type
Label
  • In situ time-resolved X-ray diffraction study of octacalcium phosphate transformations under physiological conditions (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jcrysgro.2010.03.044 (literal)
Alternative label
  • Rau J.V. (1); Komlev V.S. (2); Generosi A. (1); Fosca M. (1); Rossi Albertini V. (1); Barinov S.M. (2) (2010)
    In situ time-resolved X-ray diffraction study of octacalcium phosphate transformations under physiological conditions
    in Journal of crystal growth
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Rau J.V. (1); Komlev V.S. (2); Generosi A. (1); Fosca M. (1); Rossi Albertini V. (1); Barinov S.M. (2) (literal)
Pagina inizio
  • 2113 (literal)
Pagina fine
  • 2116 (literal)
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  • 312 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • http://dx.doi.org/10.1016/j.jcrysgro.2010.03.044 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche, Via del Fosso del Cavaliere, 100 - 00133 Rome, Italy; (2) A.A. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Science, Leninsky prospect 49, 119991 Moscow, Russia (literal)
Titolo
  • In situ time-resolved X-ray diffraction study of octacalcium phosphate transformations under physiological conditions (literal)
Abstract
  • The present study is focused on the in vitro investigation of octacalcium phosphate (OCP) transformations when mixed with physiological solution (aqueous isotonic 0.9% NaCl) by the energy dispersive X-ray diffraction technique. This technique allowed in situ monitoring of the processes taking place in this system in real time. It was demonstrated that when OCP is mixed with physiological solution, it undergoes two simultaneous processes: (1) amorphous-into-crystalline OCP transformation (37%), and OCP average grain size growth from 22 up to 35 nm; (2) partial phase transformation of OCP (33%) into hydroxyapatite (HA), and HA average grain growth up to 5 nm. Both processes take place simultaneously with the same characteristic time (2.90±0.25) h. (literal)
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