Indian J Pharm Close
 

Figure 2: Scanning electron microscopy of silk fibroin fibers. (a) and (b) nanofibers prepared using lithium bromide; (c) and (d) nanofibers prepared using formic acid-CaCl2

Figure 2: Scanning electron microscopy of silk fibroin fibers. (a) and (b) nanofibers prepared using lithium bromide; (c) and (d) nanofibers prepared using formic acid-CaCl2