Research Article

Effects of Chitosan Concentration on the Protein Release Behaviour of Electrospun Poly(-caprolactone)/Chitosan Nanofibers

Figure 5

FTIR graph: (a) chitosan powder, (b) PCL granule, (c) BSA powder, (d) PCL/chitosan nanofibers, and (e) PCL/chitosan/BSA nanofibers.