首页> 外文期刊>Acta biomaterialia >Development and in vitro characterization of sol-gel derived CaO-P2O5-SiO2-ZnO bioglass.
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Development and in vitro characterization of sol-gel derived CaO-P2O5-SiO2-ZnO bioglass.

机译:溶胶-凝胶衍生的CaO-P2O5-SiO2-ZnO生物玻璃的开发和体外表征。

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摘要

A CaO-P(2)O(5)-SiO(2)-ZnO bioglass was formed by the sol-gel technique and characterized by Raman spectroscopy, X-ray diffraction, energy dispersive X-ray analysis (EDXA) and scanning electron microscopy (SEM). The surface reactivity of the resultant glass-ceramic specimens was analyzed by immersion studies in simulated body fluid (SBF). SEM-EDXS and inductively coupled plasma atomic emission spectrometry techniques were used to monitor changes in the glass surface and SBF composition. Osteoblast cell culture experiments were performed to assess the biocompatibility and the alkaline phosphatase activity. Cell counts of the osteoblasts cultured on the bioglass samples were studied and compared with the polystyrene plates. The cells cultured on the bioglass disks consistently showed a higher alkaline phosphatase activity and cell counts compared to cells cultured on either polystyrene plates or the base CaO-P(2)O(5)-SiO(2) bioglass. This was due to cell proliferation and differentiation promoted by the zinc-substituted bioglass.
机译:CaO-P(2)O(5)-SiO(2)-ZnO生物玻璃通过溶胶-凝胶技术形成,并通过拉曼光谱,X射线衍射,能量色散X射线分析(EDXA)和扫描电子进行表征显微镜(SEM)。通过在模拟体液(SBF)中的浸没研究来分析所得玻璃陶瓷样品的表面反应性。 SEM-EDXS和电感耦合等离子体原子发射光谱技术用于监测玻璃表面和SBF成分的变化。进行成骨细胞细胞培养实验以评估生物相容性和碱性磷酸酶活性。研究了在生物玻璃样品上培养的成骨细胞的细胞计数,并将其与聚苯乙烯板进行了比较。与在聚苯乙烯平板或基本CaO-P(2)O(5)-SiO(2)生物玻璃上培养的细胞相比,在生物玻璃盘上培养的细胞始终显示出更高的碱性磷酸酶活性和细胞计数。这是由于锌取代的生物玻璃促进了细胞增殖和分化。

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