Quick-frozen silk fibroin solution is repeated thaw-freezing before vacuum-drying, thus the pore radius of porous silk fibroin materials increased and pore density decreased;
将快速冷冻的丝素水溶液真空干燥之前，进行反复解冻—冷冻，则所制得的多孔丝素材料的孔径增大、孔密度减小；
Quick-frozen silk fibroin solution is repeated thaw-freezing before vacuum-drying, thus the pore radius of porous silk fibroin materials increased and pore density decreased;
将快速冷冻的丝素水溶液真空干燥之前，进行反复解冻—冷冻，则所制得的多孔丝素材料的孔径增大、孔密度减小；
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