Fig. 1: Schematic illustration of crystallized droplets of silk protein molecules self-assembling to hierarchical suprafibrillar silk fibers.
From: Bioactive hierarchical silk fibers created by bioinspired self-assembly

a Schematic mechanism illustration of the liquid crystalline model for formation of in vivo silk fibers, which was drawn based on the references10,11,15. b Formation of crystallized droplets from silk fibroin (SF) molecules. c Crystallized SF droplets self-assembling to hierarchical suprafibrillar silk fibers.