Silk fibroin, from the silkworm, Bombyx mori, is a kind of natural high molecular material with stability and non-toxicity.It is cheap and easy to get.

• 丝素蛋白是一种源于蚕丝的天然高分子材料,稳定无毒、廉价易得,具有良好的降解性和生物相容性等特点,是一种优良的载体材料。