Silk fibroin derived from silkworm is a crucial protein-polymer for biomedical
applications. The useful properties of this polymer are ability to promote tissue formation [1,
2], biodegradability [3, 4] hemocompatibility [5, 6], cytocompatibility [7] and its interactions
with cells [8, 9]. The design simplicity of silk fibroin at the molecular level has often resulted
in its classification as a “model biomaterial” [10]. In the blending solutions, various silk
fibroin structures appear, leading to different properties of diverse applications.