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. Author manuscript; available in PMC: 2019 Jun 20.
Published in final edited form as: Nat Rev Mater. 2018 Apr 26;3(5):21–37. doi: 10.1038/s41578-018-0006-y

Fig. 2 |. Hydrogel bioprinting.

Fig. 2 |

a | Cell-laden hydrogel scaffolds are created by applying laser light (laser-induced forward transfer) or by extrusion (inkjet printing with or without robotic dispension). b | Light-induced crosslinking strategies for the bioprinting of photocrosslinkable bioinks are shown. Crosslinking can be triggered before (pre-crosslink), after (post-crosslink) or during (in situ crosslink) extrusion. Panel a is adapted with permission from REF239, John Wiley and Sons. Panel b is adapted with permission from REF23, John Wiley and Sons.