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. 2022 Jan 7;8(1):44. doi: 10.3390/gels8010044

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© 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/).

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Cell viability assay and cell morphology of cells grown on hydrogels. (A) Cell viability of C28/I2 cells grown on CS1-PF25 and CS1-PF25-TPP hydrogels (two-way ANOVA, Tukey’s multiple comparisons test *** p < 0.001 and **** p < 0.0001). (B) SEM images of chondrocytes cultured for 3 days on CS1-PF25 (a) and CS1-PF25-TPP (b) hydrogels, the scale bar corresponds to 100 μm. (C) Live/Dead^® staining images of chondrocytes seeded on CS1-PF25 and CS1-PF25-TPP hydrogels after the 10th and 14th day, the scale bar corresponds to 200 μm.