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. 2020 Sep 4;8:773. doi: 10.3389/fbioe.2020.00773

FIGURE 4.

FIGURE 4

Metabolic activity of HROG36, C6, and A375 cells on PEG-CLP, PEG-CLP-RGD, and PEG-CLP-IKVAV hydrogels after 24 h (A) and 48 h (B). The metabolic activity of the cells corresponding to the proliferation intensity was assessed by Presto BlueTM assay in three independent experimental sets, each of three replicates. RFU, relative fluorescence units. *Indicates a statistically significant difference compared with the samples of the same cell type grown on CLP-only containing hydrogels, -with samples on PEG-CLP-RGD hydrogels, ANOVA with post hoc LSD test, p < 0.05.