Fig. 7From: Restorative biodegradable two-layered hybrid microneedles for melanoma photothermal/chemo co-therapy and wound healingA Ki67 staining of tumor tissues and B H&E staining of heart, liver, spleen, lung, and kidney harvested from mice in different groups at 14 days after treatment (scale bar = 100 μm). G1: Control; G2: HA MNs; G3: Cur NDs/HA MNs; G4: Cur NDs/IR820/HA MNs; G5: IR820 MNs + laser; G6: Cur NDs/IR820/HA MNs + laserBack to article page