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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Cell aggregates. (A) Shows the comparison of the growth of the hydrogels vs. the colonies selected by the conventional method. (B) Representative image of hydrogel cell aggregates at 72 h after seeding. Scale bar is 200 µm.