title: Formation of hydroxyapatite onto glasses of the CaO-MgO-SiO2 system with B2O3, Na2O, CaF2 and P2O5 additives.
abstract: New bioactive glasses with compositions based on the CaO-MgO-SiO(2) system and additives of B(2)O(3), P(2)O(5), Na(2)O, and CaF(2) were prepared. The in vitro mineralization behaviour was tested by immersion of powders or bulk glasses in simulated body fluid (SBF). Monitoring of ionic concentrations in SBF and scanning electron microscopy (SEM) observations at the surface of the glasses were conducted over immersion time. Raman and infrared (IR) spectroscopy shed light on the structural evolution occurring at the surface of the glasses that leads to formation of hydroxyapatite.
authors.affiliation: Department of Ceramics and Glass Engineering, University of Aveiro, CICECO, 3810-193 Aveiro, Portugal.
authors.forename: S
authors.initials: S
authors.lastname: Agathopoulos
authors.forename: D U
authors.initials: DU
authors.lastname: Tulyaganov
authors.forename: J M G
authors.initials: JM
authors.lastname: Ventura
authors.forename: S
authors.initials: S
authors.lastname: Kannan
authors.forename: M A
authors.initials: MA
authors.lastname: Karakassides
authors.forename: J M F
authors.initials: JM
authors.lastname: Ferreira
mesh_terms: D001672:Biocompatible Materials / Q000138:chemical synthesis*; D001896:Boron Compounds / Q000737:chemistry; D002124:Calcium Fluoride / Q000737:chemistry; D017886:Durapatite / Q000138:chemical synthesis*; D005898:Glass / Q000737:chemistry*; D007259:Infrared Rays; D010087:Oxides / Q000737:chemistry; D017553:Phosphorus Compounds / Q000737:chemistry; D017670:Sodium Compounds / Q000737:chemistry; D013059:Spectrum Analysis, Raman
chemical_list: D001672:Biocompatible Materials; D001896:Boron Compounds; C509301:CaO-MgO-SiO2 glass; D010087:Oxides; D017553:Phosphorus Compounds; D017670:Sodium Compounds; C096707:sodium oxide; C042168:boron oxide; C012500:phosphorus pentoxide; D017886:Durapatite; D002124:Calcium Fluoride