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. Author manuscript; available in PMC: 2022 Jun 1.
Published in final edited form as: Adv Healthc Mater. 2021 Apr 19;10(11):e2001986. doi: 10.1002/adhm.202001986

Figure 6.

Figure 6.

3D bioprinting of bone mimetic 3D architecture with osteogenic and vasculogenic gradients. A. Schematic illustration of natural bone structure; B. Schematic illustration of 3D architecture with concentration gradients of VEGF. Central channel able to quickly degrade and favor the growth of HUVECs. C. Cross-section image of the printed hydrogel. D. Cross-section image of the printed gradual hydrogel with gradual concentrations of fluorochrome (Texas Red). Reproduced with permission.[64] Copyright 2017, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.