Improvement in the healing of bone fractures using a cyclodextrin/Ni-MOF nanofibers network: the development of a novel substrate to increase the surface area with desirable functional properties

使用环糊精/Ni-MOF 纳米纤维网络改善骨折愈合:开发一种新型基质以增加具有理想功能特性的表面积

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作者:Junfei Lin, Chenyu Zong, Baisen Chen, Teng Wang, Jiacheng Xu, Jiashang Du, Yinghao Lin, Yuming Gu, Jianwei Zhu

Abstract

In this study, a β-cyclodextrins (β-CDs)/Ni-based MOF (β-CDs/Ni-based MOF) fibrous network with focus on biocompatible and biodegradable properties was used as a new material for orthopedic applications. The final products were synthesized by an efficient, rapid, and controllable electrospinning route under optimal conditions, including a flow rate of 0.3 mL g-1, applied voltage of 18 kV, and spinning distance of 20 cm. Efficient characterization by various analyzes showed that the β-CDs/Ni-based MOF fibrous nanostructures had a thermal stability at about 320 °C and homogeneous particles with a narrow size distribution. The BET analysis results showed a specific surface area of 2140 m2 g-1 for these compounds, which facilized potential conditions needed for the application of these compounds as a new substrate to improve the healing of bone fractures. The results showed the better porosity of the β-CDs/Ni-based MOF scaffolds as an essential property, leading to higher proliferation and nutrition and oxygen delivery, resulting in more tissue regeneration. This study proposes a novel strategy for a fibrous network substrate with distinct properties for orthopedic purposes.

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