Comparative Study of One-Step Cross-Linked Electrospun Chitosan-Based Membranes

Figure 2

SEM micrographs of the cross-linked S (PEO/CH) fibers at 0.1, 0.2, 0.3, 0.4, and 0.5% v/v of GNP without or upon UVA irradiation. Scale bars in the inset image correspond to 1 μm, ×10,000 0.5 kV.