Fig. 3: WAP could degrade subcutaneously and exhibit good biocompatibility.

a Digital photos showing the morphological change of WAP following subcutaneous implantation. b Relative change in weight of WAP following subcutaneous implantation. c H&E staining of subcutaneously implanted WAP at different time point. n = 3 rats per time point. Data are presented as mean ± standard error. Scale Bar: 200 μm.