On-demand removal of nano-chitosan/sodium alginate composite hemostatic sponge via metal ion capture

This study cleverly designed an easily removable chitosan/alginate composite hemostatic sponge using metal ion crosslinking and de-crosslinking strategies. The composite sponge rapidly expands and compresses the bleeding site after blood absorption.本研究巧妙设计了一种易于移除的壳聚糖/海藻酸盐复合止血海绵，采用金属离子交联与解交联策略。该复合海绵在吸收血液后，能迅速膨胀并压缩出血部位。