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. 2023 Jul 6;9(7):e18044. doi: 10.1016/j.heliyon.2023.e18044

Fig. 6.

Fig. 6

A. Photomicrographs of second-degree wound assay on Wistar rats to evaluate the wound healing efficiency of UHF–AgNP. B. The bar diagram represents the wound reduction rate of UHF, UHF–AgNP, negative control NC, and PC. Each value represents the mean ± SD of three experiments. *p < 0.05. C. Micrographs image (Photograph with Olympus CX 33 photomicroscope 100× magnification) of H&E-stained tissue from burn wounds of UHF, UHF–AgNP, NC, and PC. The tissue between the black triangles is the epidermis, while the arrowhead is an un-epithelialized area, and the arrows are blood vessels that showed the presence of new vascular tissue in the newly regenerated dermis. Scale bar 100 μm.