Fabrication of a novel bone adhesive (crosslinked phytic acid-gelatin coordinated with magnesium phosphate and calcined dolomite, and montmorillonite) for enhancing adhesion strength and biocompatibility

IF 2.3 4区 化学 Q2 Agricultural and Biological Sciences
Man-Na Hu, Xue-Jing Qu, Xiao-Lan Chen, Dan He, Guo-Ya Wang, Jia-Hui Liu, Tania Roy, Alfin Kurniawan, Chun-Hui Zhou
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Abstract

Bone adhesives are known as a promising fracture treatment material because they can quickly heal broken bones. However, the existing bone adhesives have the disadvantages of weak binding ability to bone tissue, non-absorption, or difficulty in curing under wet conditions, which limits their wide application in the field of bone tissue engineering. In this study, the raw material of magnesium phosphate bone adhesive was modified, and the composite material of magnesium phosphate bone repair was prepared by the method of solid–liquid blending crosslinking. Mineral-organic composite, a new type of bone adhesive was prepared using calcined dolomite and montmorillonite as mineral components, phytic acid and gelatin as organic components. The compressive strength, porosity and bonding strength of the magnesium phosphate-based bone adhesive were analyzed by Fourier transform infrared spectroscopy, X-ray diffraction and scanning electron microscopy. When the dosage of dolomite is 8 wt% and the concentration of gelatin is 9 wt%, the adhesion strength of the bone adhesive is 2.04 MPa after 168 h placement. And the compressive strength of the bone adhesive was 6.66 MPa after 168 h placement. After the prepared bone adhesives were immersed in SBF solution for 14 and 21 days, EDS analysis showed that the accumulated material was bone-like hydroxyapatite, indicating that the prepared bone adhesives had good osteogenic activity. In addition, it was also found that the bone adhesive had fluid absorption ability and no cytotoxicity. So, conclusively it can be stated that such newly synthesized bone adhesive has significant medical potential.

Abstract Image

Abstract Image

制造新型骨粘合剂(与磷酸镁、煅烧白云石和蒙脱石配位的交联植酸明胶),以增强粘合强度和生物相容性
骨粘合剂能快速愈合断裂的骨骼,因此被称为一种前景广阔的骨折治疗材料。然而,现有的骨粘合剂存在与骨组织结合能力弱、不吸收或在潮湿条件下难以固化等缺点,限制了其在骨组织工程领域的广泛应用。本研究对磷酸镁骨粘合剂的原材料进行了改性,采用固液混合交联的方法制备了磷酸镁骨修复复合材料。以煅烧白云石和蒙脱石为矿物成分,植酸和明胶为有机成分,制备了矿物-有机复合型新型骨粘合剂。傅里叶变换红外光谱、X 射线衍射和扫描电子显微镜分析了磷酸镁骨粘合剂的抗压强度、孔隙率和粘合强度。当白云石用量为 8 wt%、明胶浓度为 9 wt%时,放置 168 h 后骨粘合剂的粘合强度为 2.04 MPa。放置 168 小时后,骨粘合剂的抗压强度为 6.66 兆帕。将制备好的骨粘合剂在 SBF 溶液中浸泡 14 天和 21 天后,EDS 分析表明积累的物质是类骨羟基磷灰石,表明制备好的骨粘合剂具有良好的成骨活性。此外,还发现骨粘合剂具有液体吸收能力,且无细胞毒性。因此,可以断定这种新合成的骨粘合剂具有巨大的医疗潜力。
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来源期刊
CiteScore
3.30
自引率
8.70%
发文量
0
审稿时长
3-8 weeks
期刊介绍: The Journal of Inclusion Phenomena and Macrocyclic Chemistry is the premier interdisciplinary publication reporting on original research into all aspects of host-guest systems. Examples of specific areas of interest are: the preparation and characterization of new hosts and new host-guest systems, especially those involving macrocyclic ligands; crystallographic, spectroscopic, thermodynamic and theoretical studies; applications in chromatography and inclusion polymerization; enzyme modelling; molecular recognition and catalysis by inclusion compounds; intercalates in biological and non-biological systems, cyclodextrin complexes and their applications in the agriculture, flavoring, food and pharmaceutical industries; synthesis, characterization and applications of zeolites. The journal publishes primarily reports of original research and preliminary communications, provided the latter represent a significant advance in the understanding of inclusion science. Critical reviews dealing with recent advances in the field are a periodic feature of the journal.
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