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. 2019 Sep 28;17(10):555. doi: 10.3390/md17100555

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© 2019 by the authors.

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 (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Chemical structures of different types (A) and different crosslinking mechanisms (B) of carrageenan with the permission of reference [58], Copyright Elsevier, 2018. The live/dead images (C) and bioprinted scaffolds (D) of encapsulated NIH-3T3 cells in MA-κ CA (Methacrylated Kappa-Carrageenan, 5%) hydrogel with the permission of reference [81], Copyright WILEY, 2013.