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. 2022 May 19;20:238. doi: 10.1186/s12951-022-01426-5

Fig. 8.

Fig. 8

A Photographs of skin repair at 0 day, 7 days, and 14 days in control, HA MNs, and Cur NDs/IR820/HA MNs groups. B Relative wound area of control, HA MNs, and Cur NDs/IR820/HA MNs groups at 7 days and 14 days. C H&E staining images and D Masson staining images in control, HA MNs, and Cur NDs/IR820/HA MNs groups at 7 days and 14 days. The red arrows indicated newly formed skin appendages. E The statistical data of inflammatory cells at 7 days and 14 days. *p < 0.05, **p < 0.01, ***p < 0.001