Astragalus Polysaccharides/PVA Nanofiber Membranes Containing Astragaloside IV-Loaded Liposomes and Their Potential Use for Wound Healing

Figure 3

SEM images of the PVA (a), APS/PVA (c), and ASL/APS/PVA (e) electrospun nanofiber membranes and their diameter distribution illustration (b, d, f).

(a)

(b)

(c)

(d)

(e)

(f)