Figure 4
From: Preparation and characterization of silk fibroin as a biomaterial with potential for drug delivery
Wide-angle X-ray diffraction patterns of B. mori silk fibroins prepared with various solutions. (A) Degummed silk fibroin. (B) Silk fibroin prepared from Ca(NO3)2·4H2O-methanol solution. (C) Silk fibroin prepared from Ca(NO3)2·4H2O-ethanol solution. (D) Silk fibroin prepared from CaCl2-methanol-H2O solution. (E) Silk fibroin prepared from CaCl2-ethanol-H2O solution.