Research Article

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

Figure 6

(a) Micrographs of Masson-stained tissues of wounds treated with PVA, APS/PVA, and ASL/APS/PVA and untreated negative control at days 3, 7, 11, and 15. (b, c) Graphic representation of collagen fibers in the healing process within four groups. All images magnification: ×200; scale bars: 100 μm (, versus PVA).
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