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. 2019 Jun 12;14(6):e0216776. doi: 10.1371/journal.pone.0216776

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© 2019 Zhuang et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 5 — A) Left: Printed grid construct with no layer-by-layer UV curing using 7.5-0.2 group. Right: Printed grid pattern (W× L× H = 9mm × 9mm × 10mm) with the 6 selected GelMA-GG bio-inks. B) a. Printed grid construct (W× L × H = 9mm × 9mm × 30mm). b. Side view of the printed construct (W × L × H = 9mm × 9mm × 30mm. c-e. Tubular structures printed with GelMA-GG bio-ink (7.5-0.2) with different AR which is bioprintable and cell permissive. f-h. Multiple materials deposition with the layer-by-layer UV curing strategy.