fig4

Figure 4. (A) Microstructures of PVCL-co-PGMA-g-PSB microgels at different transition temperatures. Reproduced with permission from^[78]. Copyright 2020, American Chemical Society; (B) Relationship between the solubility and the protonation state of the ionic groups in PAMAM-Phe-Suc. Reproduced with permission from^[79]. Copyright 2020, Royal Society of Chemistry. LCST: Lower critical solution temperature; PSB: poly(sulfobetaine); PVCL: poly(N-vinylcaprolactam); UCST: upper critical solution temperature; PGMA: poly(glycidylmethacrylate); PAMAM: polyamide amine.