首页> 外国专利> BONE TISSUE ENGINEERING SCAFFOLD HAVING GRADUALLY ANTIBACTERIAL AND BONE REGENERATION PROMOTING FUNCTIONS, MANUFACTURING METHOD FOR SCAFFOLD, AND APPLICATIONS THEREOF

BONE TISSUE ENGINEERING SCAFFOLD HAVING GRADUALLY ANTIBACTERIAL AND BONE REGENERATION PROMOTING FUNCTIONS, MANUFACTURING METHOD FOR SCAFFOLD, AND APPLICATIONS THEREOF

机译:骨组织工程支架具有逐渐抗菌和骨再生促进功能,用于支架的制造方法,以及其应用

摘要

A bone tissue engineering scaffold having gradually antibacterial and bone regeneration promoting functions, a manufacturing method for the scaffold, and applications thereof. The composition of the scaffold comprises: a hydroxyapatite porous scaffold, a divalent metal ion-modified two-dimensional black phosphorus nanomaterial loaded on the surface of the hydroxyapatite porous scaffold, and a degradable polymer coating layer. First, a three-dimensionally ordered hydroxyapatite scaffold is manufactured by means of a 3D printing technique, then, a metal-ligand black phosphorous having a positive electric charge and great stability is manufactured by utilizing a coordination effect of a bivalent metal ion and black phosphorous, the ligand-modified black phosphorous is blended with a degradable polymer, the hydroxyapatite scaffold is immersed in the blend and then retrieved, when a solvent of the blend is evaporated, the metal-ligand black phosphorus having near-infrared responsiveness is loaded on the surface of the scaffold, and a composite bone implant capable of implementing photothermal bacterial control and heat-induced osteogenesis is produced.
机译:骨组织工程支架具有逐渐抗菌和骨再生促进功能,用于支架的制造方法,以及其应用。支架的组成包括:羟基磷灰石多孔支架,载入羟基磷灰石多孔支架的表面上的二价金属离子改性的二维黑色磷纳米材料,以及可降解的聚合物涂层。首先,通过3D印刷技术制造三维有序的羟基磷灰石支架,然后,通过利用二价金属离子和黑色磷的配位效果来制造具有正电荷的金属 - 配体黑色磷和具有巨大稳定性的稳定性,将羟基磷灰石支架与可降解的聚合物混合,将羟基磷灰石支架浸入混合物中,然后检索,当混合物的溶剂蒸发时,将具有近红外反应性的金属 - 配体黑磷加载制造支架的表面,并产生能够实现光热细菌对照和热诱导的骨肉发生的复合骨植入物。

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