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In-vitro bioactivity of silicate-phosphate glasses using agriculture biomass silica.
Journal of Materials Science: Materials in Medicine ( IF 3.7 ) Pub Date : 2020-07-21 , DOI: 10.1007/s10856-020-06402-9
Damandeep Kaur 1 , M S Reddy 2 , O P Pandey 1
Affiliation  

In the present work, silica extracted from the agricultural waste material; rice husk (RH) was utilized for the synthesis of biocompatible glass of general composition SiO2-P2O5-CaO-MgO-MoO3. In the synthesized glasses P2O5 (5%) and CaO (25%) was kept constant whereas MgO and MoO3 was varied from 10% to 20% and 0% to 5% respectively. The structural, morphological, elemental and functional properties of silica as well as the derived glasses were analyzed by X-Ray Diffraction (XRD), Field Emission Scanning Electron Microscopy (FE-SEM), Energy Dispersive X-ray spectroscopy (EDX) and Fourier Transform Infrared (FTIR) spectroscopy techniques. The effect of MoO3 on the structural and thermal properties of silicate phosphate glasses has been studied in details. The bioactivity of as-synthesized glass samples were further evaluated after immersion in Simulated Body Fluid (SBF) solution which shows bioactive properties thus enabling them to be used as scaffolds in implant materials.



中文翻译:

使用农业生物质二氧化硅的硅酸盐-磷酸盐玻璃的体外生物活性。

在目前的工作中,从农业废料中提取了二氧化硅。稻壳(RH)用于合成一般组成为SiO 2 -P 2 O 5 -CaO-MgO-MoO 3的生物相容性玻璃。在合成玻璃中,P 2 O 5(5%)和CaO(25%)保持恒定,而MgO和MoO 3分别从10%变为20%和0%到5%。通过X射线衍射(XRD),场发射扫描电子显微镜(FE-SEM),能量色散X射线光谱(EDX)和傅里叶分析了二氧化硅及其衍生玻璃的结构,形态,元素和功能特性变换红外(FTIR)光谱技术。MoO的作用3对磷酸硅酸盐玻璃的结构和热性能已进行了详细研究。浸入具有生物活性的模拟体液(SBF)溶液中后,进一步评估了合成玻璃样品的生物活性,从而使其可用作植入材料中的支架。

更新日期:2020-07-21
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