Many factors such as pH value, metallic ions and so on are involved in the process of silk forming, and have certain effects on the conformational transition of silk fibroin.

• 其中，蚕体内所构建的吐丝环境（包括金属离子、pH等多种因素）有效地参与了吐丝过程，进而从某种程度上影响了丝素蛋白的构象转变以及最终成丝的力学性能。