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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Kapoor, S.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2017The in vivo performance of an alkali-free bioactive glass for bone grafting, FastOs<sup>®</sup>BG, assessed with an ovine modelcitations
- 2016Alkali-free bioactive diopside-tricalcium phosphate glass-ceramics for scaffold fabrication: Sintering and crystallization behaviourscitations
- 2015Influence of ZnO/MgO substitution on sintering, crystallisation, and bio-activity of alkali-free glass-ceramicscitations
- 2015Understanding the composition-structure-bioactivity relationships in diopside (CaO center dot MgO center dot 2SiO(2))-tricalcium phosphate (3CaO center dot P2O5) glass systemcitations
- 2014Role of glass structure in defining the chemical dissolution behavior, bioactivity and antioxidant properties of zinc and strontium co-doped alkali-free phosphosilicate glassescitations
- 2013Thermo-mechanical behaviour of alkali free bioactive glass-ceramics co-doped with strontium and zinccitations
- 2013Study of calcium-magnesium-aluminum-silicate (CMAS) glass and glass-ceramic sealant for solid oxide fuel cellscitations
- 2013Sintering and devitrification of glass-powder compacts in the akermanite-gehlenite systemcitations
- 2013Structural role of zinc in biodegradation of alkali-free bioactive glassescitations
- 2012Study of melilite based glasses and glass-ceramics nucleated by Bi 2O3 for functional applications PDFcitations
- 2012Alkali-free bioactive glasses for bone tissue engineering: A preliminary investigationcitations
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article
Understanding the composition-structure-bioactivity relationships in diopside (CaO center dot MgO center dot 2SiO(2))-tricalcium phosphate (3CaO center dot P2O5) glass system
Abstract
The present work is an amalgamation of computation and experimental approach to gain an insight into composition-structure-bioactivity relationships of alkali-free bioactive glasses in the CaO-MgO-SiO2-P2O5 system. The glasses have been designed in the diopside (CaO center dot MgO center dot 2SiO(2); Di)-tricalcium phosphate (3CaO center dot P2O5; TCP) binary join by varying the Di/TCP ratio. The melt-quenched glasses have been investigated for their structure by molecular dynamic (MD) simulations as well as by nuclear magnetic resonance spectroscopy (NMR). In all the investigated glasses silicate and phosphate components are dominated by Q(2) (Si) and Q(0) (P) species, respectively. The apatite forming ability of the glasses was investigated using X-ray diffraction (XRD), infrared spectroscopy after immersion of glass powders in simulated body fluid (SBF) for time durations varying between 1 h and 14 days, while their chemical degradation has been studied in Tris-HCl in accordance with ISO 10993-14. All the investigated glasses showed good bioactivity without any substantial variation. A significant statistical increase in metabolic activity of human mesenchymal stem cells (hMSCs) when compared to the control was observed for Di-60 and Di-70 glass compositions under both basal and osteogenic conditions.