fig3
![Zwitterionic hydrogels and their biomedical applications: a review](https://image.oaes.cc/e5c927e2-0cf9-4a49-9ed5-851d2f6e14b9/cs3050.fig.3.jpg)
Figure 3. (A) The hemoadsobent PCB-PAC hydrogel for detoxification of biological fluids. Reproduced with permission from[56]. Copyright 2017, Elsevier; (B) Accelerating wound healing by the antibacterial and nonfouling hydrogel. Reproduced with permission from[63]. Copyright 2020, American Chemical Society. PCB: Poly-carboxybetaine; PAC: powdered activated carbon.