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. 2021 Nov 19;12:100162. doi: 10.1016/j.mtbio.2021.100162

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© 2021 The Authors. Published by Elsevier Ltd.

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Fig. 9 — Printing of pore-forming LTS-GelMA bioresin. A) Optical image shows the morphologies of emulsion droplets as the PEO concentration was 1.6% w/v. B) Pore size distribution of PEO droplets in the LTS-GelMA phase. C) Optical micrographs of printed porous LTS-GelMA hydrogel patterns at low magnification and high magnification. D) 3D-printed construct containing a horizontal channel with a 1-mm diameter. E-F) The diffusion of a water-soluble dye in 3D-printed constructs of porous LTS-GelMA hydrogel and standard LTS-GelMA hydrogel. ∗ in E) indicates p < 0.05 (n = 3).