可注射生物复合材料水泥:一种双重定位配方,含酸和k-carrageenan水凝,用于骨科的进步
Marcin Wekwejt1, Monika Wojtala2, Aleksandra Mielewczyk-Gryń3
1Biomaterials Technology Department, Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, Gdańsk, Poland.
International journal of biological macromolecules
|November 22, 2024
概括
这项研究开发了一种新型的双设置酸 (MKP) 生物复合水泥,使用卡帕- (kC) 和 (Sor). 新的骨替代品为骨科应用提供了更好的注射性和更低的温度.
科学领域:
- 生物材料科学 生物材料科学
- 整形外科工程 整形外科工程
- 材料化学 材料化学
背景情况:
- 基于酸的水泥是生物活性骨替代品,但面临诸如高温,注射能力差,脆性等挑战.
- 现有的陶水泥具有限制,阻碍其在最少侵入性的骨科手术中使用.
研究的目的:
- 开发和描述一种用于骨再生的新型双生物复合材料水泥.
- 为了评估卡帕-卡拉 (kC) 和 (Sor) 对酸 (MKP) 水泥性能的影响.
主要方法:
- 使用酸 (MKP),卡帕-卡拉基安 (kC) 和索尔比托 (Sor) 制备了一种双设定生物复合材料水泥.
- 评估了包括定时间,温度,可湿性,可注射性,微观结构,机械强度,生物降解性和细胞相容性在内的特性.
- 确定了优化的MKP (4:1Mg/P比) 与1.5%kC和Sor.
主要成果:
- 与传统水泥相比,生物复合材料的定时间较长 (约15分钟),定温度较低 (约45°C).
- 观察到具有稳定的凝聚力的改善注射性,增强的可湿性 (~22°),以及波比尔石结晶相的形成.
- 优化的配方没有对微观结构,机械强度,多孔性,生物降解或骨质细胞细胞相容性产生不良影响.
结论:
- 开发的双设置MKP-kC-Sor生物复合材料水泥比传统的陶骨提供了显著的优势.
- 这种创新材料展示了生物医学应用的潜力,特别是在最少侵入性的骨科手术中.
- 生物复合材料保持了理想的性能,同时克服了传统酸水泥的局限性.
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