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
Jie Yu, Qiang Zhao, Ting Xiao, Han-Wu Liu, Xi-Liang Chen, Jia He, Ting-Ting Yan
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引用次数: 0

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.

Graphical abstract

Abstract Image

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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