BACKGROUND: The hemostatic materials applied without any affection on the organ function have many shortages, such as slow hemostasis speed, toxicity and high cost.

• 背景：目前临床应用的能对实质脏器迅速止血并且对其功能无影响的止血材料仍存在止血速度慢、具有毒性及价格昂贵等缺陷。