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. 2021 Mar 26;6(10):3596–3607. doi: 10.1016/j.bioactmat.2021.03.022

Fig. 4.

Fig. 4

In vitro cell viability and cell cytotoxicity of three different GelMA microspheres. (a) Representative fluorescence images observed by Live/Dead staining assay shows the viability of chondrocytes co-cultured with the GelMA, GelMA@DMA-MPC and GelMA@DMA-MPC@DS microspheres for 1, 3 and 5 d. (b) Quantitative evaluation of live cells from Live/Dead staining assay. (c) CCK-8 assay demonstrates the cytotoxicity of three different GelMA microspheres in cell proliferation. (n = 3, NS: no significance, * represents P < 0.05 by comparing with the blank group).