. 2022 Jun 23;14(13):2560. doi: 10.3390/polym14132560
© 2022 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 (https://creativecommons.org/licenses/by/4.0/).
Figure 1.
2D illustrations of (a) hydrogel and (b) ECM.