为改善生物活性玻璃与高分子之间的相容性,利用APTES改性生物活性玻璃(SBG),通过冷冻干燥法制备出用于骨和软骨组织工程的壳聚糖-明胶/APTES改性生物活性玻璃(CS-Gel/SBG)仿生型复合多孔支架,并对其孔隙率、力学性能和显微形貌进行了表征;探讨了各组分不同含量、交联剂和冷冻温度对CS-Gel/SBG复合支架孔隙率、力学性能和显微观结构的影响.研究表明,当SBG和CS-Gel的含量分别为70和40 g·L<-1>,用EDC和NHS交联,-50℃急冻2 h后,又在-15℃下冷冻10 h,最后真空冷冻干燥,制备出孔隙分布均匀、孔隙率达到90%以上、三维连通的复合多孔支架.
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