Fig. 3

H&E and Masson staining of fracture zones after nano-PFC treatment. Radius were harvested from fracture regions from rabbits 8 weeks post operation. Representative images of a H&E staining and b Masson staining for each group. Circles indicate the visualization of fractured zones. The intensity of Masson staining was quantified for each group (n = 3). The scale bar is 2 cm