Fabrication and characterization of biomimetic injectable HA/GT-OSA composites for bone regeneration

IF 1.8 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY MRS Communications Pub Date : 2024-02-20 DOI:10.1557/s43579-024-00525-8
Jie Yu, Qiang Zhao, Ting Xiao, Han-Wu Liu, Xi-Liang Chen, Jia He, Ting-Ting Yan
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Abstract

To address the issue of limited bone repair efficacy, a novel biomimetic HA/GT-OSA composite was synthesized through crosslinking gelatin (GT) with oxidized sodium alginate (OSA) for encapsulating hydroxyapatite (HA). The physicochemical properties of the composite were assessed using SEM, XRD, and FT-IR analyses. The biodegradability and biocompatibility of the HA/GT-OSA were confirmed via simulated body fluid (SBF) degradation testing and toxicity evaluation. Moreover, the HA/GT-OSA composites showed excellent bone regeneration performance in the SD rats intracranial bone repair, highlighting their immense potential for treating irregular bone defects and facilitating minimally invasive surgical implantation.

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用于骨再生的生物仿生可注射 HA/GT-OSA 复合材料的制备和表征
为了解决骨修复功效有限的问题,研究人员通过交联明胶(GT)和氧化海藻酸钠(OSA)来封装羟基磷灰石(HA),从而合成了一种新型的仿生物HA/GT-OSA复合材料。利用 SEM、XRD 和 FT-IR 分析评估了该复合材料的理化性质。通过模拟体液(SBF)降解测试和毒性评估,确认了 HA/GT-OSA 的生物降解性和生物相容性。此外,HA/GT-OSA复合材料在SD大鼠颅内骨修复中表现出优异的骨再生性能,突显了其在治疗不规则骨缺损和促进微创手术植入方面的巨大潜力。
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来源期刊
MRS Communications
MRS Communications MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
2.60
自引率
10.50%
发文量
166
审稿时长
>12 weeks
期刊介绍: MRS Communications is a full-color, high-impact journal focused on rapid publication of completed research with broad appeal to the materials community. MRS Communications offers a rapid but rigorous peer-review process and time to publication. Leveraging its access to the far-reaching technical expertise of MRS members and leading materials researchers from around the world, the journal boasts an experienced and highly respected board of principal editors and reviewers.
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