Figure 2.

Light‐induced manipulation of cell behavior. A) Guided cell growth via enzymatic photopatterning. Cells invade only into the areas, where photocaged (inactive) enzymes have been remotely freed in situ (green rectangle). Reproduced with permission.⁹⁸ Copyright 2019, Springer Nature. B) In vivo regulation of cell adhesion, inflammation and vascularization of biomaterials with UV light. Reproduced with permission.⁹⁹ Copyright 2018, Springer Nature. C) On‐demand softening of a hydrogel due to the photoisomerization of an azobenzene‐containing dimethacrylate crosslinker. Reproduced with permission.¹⁰⁶ Copyright 2012, American Chemical Society.