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. 2021 Aug 3;8(5):rbab041. doi: 10.1093/rb/rbab041

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© The Author(s) 2021. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Co-axial bioprinted co-culture structure. (A) Co-axial bioprinting system. (B) The printing nozzles, consisting of &cenveo_unknown_entity_wingdings_F081; for the core part and &cenveo_unknown_entity_wingdings_F082; for the shell structure. (C) Design concept using 3D CAD modeling of the bioprinted construct. (D) Bioprinted construct (scale bar: 500 μm). (E) The measure results of shell thickness. (F) Live and dead assay of bioprinted BMMSCs after bioprinting, green for live cells, red for dead cells (scale bar: 500 μm)