Incorporation of B and V oxides into bioactive glass by melt quenching: In vitro studies for bone regeneration applications

IF 4.3 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Chemistry and Physics Pub Date : 2024-10-29 DOI:10.1016/j.matchemphys.2024.130096
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Abstract

In this study, glass-ceramics with a weight composition of 40-X% SiO₂, 24.5 % CaO, 14.5 % Na₂O, 6.0 % P₂O₅, 15 % B₂O₃, and X% V₂O₅ (X = 1, 3, and 5) were produced using the melt quenching method. Vanadium pentoxide and boron oxide were suggested to lower production melting temperatures. Several techniques were used to confirm the composition and amorphous nature of the glass-ceramics, including X-ray diffraction (XRD), scanning electron microscopy (SEM), thermogravimetry (TG), energy dispersive spectroscopy (EDS), and differential thermal analysis (DTA). All samples were incubated in simulated body fluid (SBF) solution at 37 °C for 3, 7, 14, and 21 days to determine their bioactivity under in vitro conditions. The XRD pattern indicates insufficient crystalline phase formation, possibly due to V₂O₅ inhibiting apatite growth and promoting amorphous calcium phosphate. Precipitates in the glass-ceramic show increased lattice constants when apatite combines with boron. SEM images reveal surface precipitation and the development of hydroxyapatite (HA) after 21 days of immersion in SBF; EDS analysis confirms the presence of the expected ions. The Fourier Transform Infrared Spectrophotometer (FTIR) analysis shows the dominance of the silicate network in the glass-ceramics, with characteristic bands at specific frequencies.
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通过熔体淬火将 B 和 V 氧化物掺入生物活性玻璃:骨再生应用的体外研究
在这项研究中,使用熔体淬火法生产了玻璃陶瓷,其重量成分为 40-X% SiO₂、24.5% CaO、14.5% Na₂O、6.0% P₂O₅、15% B₂O₃和 X% V₂O₅(X = 1、3 和 5)。建议使用五氧化二钒和氧化硼来降低生产熔化温度。为确认玻璃陶瓷的成分和无定形性质,使用了多种技术,包括 X 射线衍射 (XRD)、扫描电子显微镜 (SEM)、热重仪 (TG)、能量色散光谱 (EDS) 和差热分析 (DTA)。所有样品均在 37 °C的模拟体液(SBF)溶液中培养 3、7、14 和 21 天,以确定它们在体外条件下的生物活性。X 射线衍射图显示结晶相形成不足,这可能是由于 V₂O₅ 抑制了磷灰石的生长并促进了无定形磷酸钙的形成。当磷灰石与硼结合时,玻璃陶瓷中的沉淀物显示出更高的晶格常数。SEM 图像显示,在 SBF 中浸泡 21 天后,表面出现沉淀并形成羟基磷灰石(HA);EDS 分析证实了预期离子的存在。傅立叶变换红外分光光度计(FTIR)分析表明,玻璃陶瓷中的硅酸盐网络占主导地位,并在特定频率上出现了特征带。
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来源期刊
Materials Chemistry and Physics
Materials Chemistry and Physics 工程技术-材料科学:综合
CiteScore
8.70
自引率
4.30%
发文量
1515
审稿时长
69 days
期刊介绍: Materials Chemistry and Physics is devoted to short communications, full-length research papers and feature articles on interrelationships among structure, properties, processing and performance of materials. The Editors welcome manuscripts on thin films, surface and interface science, materials degradation and reliability, metallurgy, semiconductors and optoelectronic materials, fine ceramics, magnetics, superconductors, specialty polymers, nano-materials and composite materials.
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