fig11

From: Zwitterionic hydrogels and their biomedical applications: a review

Figure 11. (A) ROS production in RPMI 1640 mediums associated with HEPES and zwitterionic polybetaines. Reproduced with permission from^[160]. Copyright 2023, Elsevier; (B) Zwitterionic composite hydrogel for wound healing. Reproduced with permission from^[162]. Copyright 2022, Elsevier; (C) Cartilage mimicking bilayer structure by brushing up stiff hydrogels from subsurface. Reproduced with permission from^[27]. Copyright 2020, Wiley-VCH GmbH. SBMA: Sulfobetaine methacrylate; MPC: 2-methacryloyloxyethyl phosphorylcholine; CBMA: carboxybetaine methacrylate; HEPES: 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid; NFC: nanofibrillated cellulose; PDA: polydopamine; HHy: high-strength hydrogel; ROS: reactive oxygen species; RPMI: Roswell Park Memorial Institute.