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. 2021 Nov 24;9:773511. doi: 10.3389/fbioe.2021.773511

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Copyright © 2021 Barreiro Carpio, Dabaghi, Ungureanu, Kolb, Hirota and Moran-Mirabal.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Example of printed structures using sacrificial inks to create channels and vasculature. Schematic illustrations (A, D, G), optical images (B, E, H), and fluorescent images (C, F, I) of embedded vascular networks that were printed, evacuated, and perfused with a water-soluble fluorescent dye. Bottom row shows a microchannel that was perfused with HUVEC (J) and the corresponding confocal image showing the live cells lining the microcannesl (K). (Reproduced from Reference (Kolesky et al., 2014)).