Biodegradable scaffolds composed of beta-tricalcium phosphate, and a natural hydrogel, agarose, were prepared by a shaping method based on the thermal gelation of the polymeric component. This technique was modified to facilitate the inclusion, during the scaffold preparation stage, of therapeutic agents that could improve the graft performance. Vancomycin was included in materials containing different amounts of agarose and ceramic without affecting the scaffold consolidation process. These materials, easily injectable, behave like a reinforced hydrogel whose swelling behavior and drug release rate depend on their composition.

译文

通过基于聚合物组分的热凝胶化的成型方法,制备了由 β-磷酸三钙和天然水凝胶琼脂糖组成的可生物降解支架。对该技术进行了修改,以促进在支架制备阶段纳入可改善移植物性能的治疗剂。万古霉素被包含在含有不同量的琼脂糖和陶瓷的材料中,而不会影响支架的固结过程。这些易于注射的材料表现为增强的水凝胶,其溶胀行为和药物释放速率取决于其组成。

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