In vitro bioactivity of biphasic calcium phosphate silicate glass-ceramic in CaO-SiO2-P2O5 system | Zendy

Lachezar Radev | Zendy; Vladimir Hristov | Zendy; Irena Michailova | Zendy; Helena L. Fernandes | Zendy; Miranda Salvado | Zendy

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In vitro bioactivity of biphasic calcium phosphate silicate glass-ceramic in CaO-SiO2-P2O5 system

Author(s) -

Lachezar Radev,

Vladimir Hristov,

Irena Michailova,

Helena L. Fernandes,

Miranda Salvado

Publication year - 2010

Publication title -

processing and application of ceramics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.326

H-Index - 15

eISSN - 2406-1034

pISSN - 1820-6131

DOI - 10.2298/pac1001015r

Subject(s) - materials science , crystallization , ceramic , silicate , chemical engineering , fourier transform infrared spectroscopy , phosphate , glass ceramic , calcium silicate , sol gel , calcium , mineralogy , nuclear chemistry , composite material , metallurgy , chemistry , organic chemistry , nanotechnology , engineering

The main purpose of the paper is the evaluation of the influence of chemical composition of the gel of the synthesized 15CaO·0.5P 2 O 5 ·6SiO 2 glass-ceramic on the structure, crystallization behaviour and in vitro bioactivity in static conditions for different periods of time - 3, 9 and 30 days in 1.5SBF. The obtained glass-ceramic was synthesized via polystep sol-gel technique. The structure of the prepared and the one thermally treated at 1200°C for 2 h powder was studied by XRD, 29 Si MAS NMR, FTIR and SEM.

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