Fabrication and Characterization of Chitosan–Vitamin C–Lactic Acid Composite Membrane for Potential Skin Tissue Engineering

Figure 3

Surface morphology of the prepared membranes. (a) Simple chitosan (5 μm), (b) simple chitosan composite (low resolution, 100 μm), (c) simple chitosan composite (high resolution, 5 μm), (d) porous chitosan (100 μm), (e) porous chitosan composite (low resolution, 100 μm), and (f) porous chitosan composite (high resolution, 5 μm).

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(b)

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(e)

(f)