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• W4225003083 endingPage "121630" @default.
• W4225003083 startingPage "121630" @default.
• W4225003083 abstract "• Ethanol extraction process has been adopted to remove Polaronic P123 surfactant and to obtain mesporous bioactive glasses (MBG) with superior textural properties with highsilanol group density. • The network former behavior of P 2 O 5 become prominent for MBG consisting 6 % in mol of P 2 O 5 . • The high surface area and silanol group density directly leads to fourth stage of the Hench Mechanics of hydroxyl carbonate apatite (HCA) formation. • Textural properties, silanol group density, ratio of sample amount to stimulated body fluid solution and other factors plays important role in the crystallization of HCA phase. • Pore size controls the dissolution of ions from the MBG samples in SBF solution The development of bioactive implantable materials with multi-functional properties like tissue regeneration, tumor annihilation, anti-bacterial growth and angiogenesis advancement is of great importance. In this context, mesoporous bioactive glasses (MBGs) are gaining tremendous interest in designing the next generation of biomaterials for the bone defect treatment. In this work, ternary SiO 2 -CaO-P 2 O 5 MBGs have been synthesized by using the acid assisted sol-gel process. In contrast to the conventional process, we adopted an ethanol extraction process to remove surfactant, leading to superior textual properties and high silanol group density in resultant bioglass. Magic angle spinning nuclear magnetic resonance (MAS-NMR) technique has been used to elucidate the presence of different anionic species in the pristine glass samples and its variation with chemical compositions. The vibrational spectroscopy reveals the presence of high concentration of silanol group over the surface of pristine glass samples, which effectively accelerates the formation of hydroxyl carbonate apatite (HCA) layer. The MBG specimens show a good cell viability behavior without toxicity up to the concentration of 20 µg ml −1 . In the present results, we observed that pore size along with surface area and silanol group density play an effective role in the growth of HCA layer. The stabilization step during the sol-gel process is modified to get mesoporous bioactive glass (MBG) with high surface area and high silanol group density. The ethanol extraction method provides the pore without shrinkage and reduce the polymerization of Si-OH group on the surface of MBGs. This makes the as-synthesized materials highly suitable candidate as a functional material in bone tissue engineering." @default.
• W4225003083 created "2022-04-29" @default.
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• W4225003083 date "2022-08-01" @default.
• W4225003083 modified "2023-09-26" @default.
• W4225003083 title "Biomineralization behavior of ternary mesoporous bioactive glasses stabilized through ethanol extraction process" @default.
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• W4225003083 doi "https://doi.org/10.1016/j.jnoncrysol.2022.121630" @default.
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