结晶对利用传统资源和生物废料合成的生物玻璃的结构、机械和细胞毒性性能的影响

IF 4.3 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Chemistry and Physics Pub Date : 2024-11-19 DOI:10.1016/j.matchemphys.2024.130157
Navneet Kaur Mattu, K. Singh
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引用次数: 0

摘要

利用混合资源(即生物废料和传统化学品)合成了 43SiO2-25Na2O -7P2O5-(25-x) CaO -xMgO (x = 0、5、10、15(重量百分比))玻璃。研究了淬火玻璃的非等温结晶动力学。x = 15 wt% 玻璃的结晶活化能(Ec)最高,为 370 kJ mol-1。对制备好的玻璃分别在 710-770 °C 下热处理 1 小时、10 小时和 800 °C 下热处理 0.5 小时,以确认热处理结果。玻璃的热膨胀系数(∼10.4 × 10-6 °C-1)随着氧化镁含量的增加而降低,接近人类牙本质和珐琅质的范围。氧化镁还阻碍了玻璃的结晶。对玻璃和玻璃陶瓷进行的 M.T.T. 分析测试显示,在 200 μg/ml 的较高浓度下,即使对人类外周血单核细胞(P.B.M.C.)作用 48 小时后,细胞存活率仍为 80%。这些玻璃和玻璃陶瓷的生物相容性与使用传统化学品合成的玻璃/玻璃陶瓷相当,甚至更好。利用这些生物玻璃和玻璃陶瓷为合成生物医学材料的混合来源开辟了一条途径,同时又不影响其生物活性特性。
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Crystallization effect on structural, mechanical and cytotoxic properties of bioglasses synthesized using conventional and biowaste as resources
43SiO225Na2O –7P2O5-(25-x) CaO -xMgO (x = 0, 5, 10, 15 (wt%)) glasses were synthesized using hybrid resources, i.e., biowastes and conventional chemicals. Non-isothermal crystallization kinetics of as-quenched glasses were investigated. The highest activation energy of crystallization (Ec) was observed for x = 15 wt% glass, i.e., 370 kJ mol−1. The as-prepared glasses were heat treated at (710–770 °C) for 1 h (h), 10 h, and 800 °C for 0.5 h to confirm the thermal results. The thermal expansion coefficient of glasses (∼10.4 × 10−6 °C-1) was decreased with MgO content and approached the range of human dentin and enamel. The MgO also hinders the crystallization in the present glasses. The M.T.T. assay test of glass and glass ceramics showed cell viability >80 % with a higher concentration of 200 μg/ml, even after 48 h on human peripheral blood mononuclear cells (P.B.M.C.). The biocompatibility of present glasses and glass ceramics was comparable to or even better than glass/glass ceramics synthesized using conventional chemicals. Utilizing these bioglasses and glass ceramics opens a pathway for hybrid sources to synthesize biomedical materials without hampering their bioactive properties.
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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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