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Bioactive calcium silicate glass synthesized from sustainable biomass wastes
Biofuels, Bioproducts and Biorefining ( IF 3.2 ) Pub Date : 2020-08-26 , DOI: 10.1002/bbb.2135
Shivani Punj 1 , Kulvir Singh 1
Affiliation  

Biomass wastes of corn, sugarcane, and eggshells were used as resources to synthesize calcium silicate glass by applying the melt quench technique. The glasses were characterized by different experimental techniques to check their suitability as bioproducts. The in vitro bioactive properties of the glasses were evaluated in simulated body fluid (SBF). As confirmed by X‐ray diffraction, Fourier transform infrared spectroscopy, and scanning electron microscopy, a carbonated amorphous hydroxyapatite layer was formed on the surface of the glass. The ions released from the glasses into SBF were analyzed by microwave plasma atomic emission spectroscopy. The dissolution rate of the glass increased with increasing proportion of eggshell powder in it. The Ca/P molar ratio for all the glasses was in the range of 1.78 to 4.1. These bioactive glasses formed carbonated amorphous hydroxyapatite, which can be used to enhance the osteointegration rate in the human body. Bio‐food wastes are a sustainable, environment‐friendly and cost‐effective source for the synthesis of different types of bioproducts. © 2020 Society of Chemical Industry and John Wiley & Sons, Ltd.

中文翻译:

由可持续生物质废物合成的生物活性硅酸钙玻璃

玉米,甘蔗和蛋壳的生物质废物被用作通过熔融淬火技术合成硅酸钙玻璃的资源。通过不同的实验技术对玻璃进行表征,以检查其作为生物产品的适用性。在体外在模拟体液(SBF)中评估了玻璃的生物活性。通过X射线衍射,傅立叶变换红外光谱和扫描电子显微镜确认,在玻璃表面上形成了碳化的无定形羟基磷灰石层。通过微波等离子体原子发射光谱分析从玻璃释放到SBF中的离子。玻璃的溶解速率随着蛋壳粉的比例增加而增加。所有玻璃的Ca / P摩尔比在1.78至4.1的范围内。这些生物活性玻璃形成了碳酸的非晶态羟基磷灰石,可用于提高人体的骨整合率。生物食品废物是合成各种类型生物产品的可持续,环境友好和具有成本效益的来源。
更新日期:2020-11-02
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