Figure 21.

Bioprinting microvessels with GelMA/alginate bioinks. Several coaxial systems have been developed to bioprint (A) hollow, (B) solid, (C) morphology-controllable, and (D) multi-layer hollow GelMA/alginate microfibers. (A) Adapted from ref. 149. Copyright 2016 John Wiley and Sons. (B) Adapted with permission from ref. 417. Copyright 2016 Elsevier Ltd. (C) Adapted from ref. 147. Copyright 2018 John Wiley and Sons. (D) Adapted with permission from ref. 416. Copyright 2018 John Wiley and Sons.