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(a) Relative biocompatibility of fibroblastic cells from cell contact with hydrogel leachates. (b) Percentage of fibroblasts adhered to the control and hydrogel groups after 24 h of incubation. (c) Fluorescence image of controls (control 2D and collagen) and hydrogels after 72 h of incubation. Cells were stained with DAPI (blue) and Alexa Fluor 488 phalloidin (green) dyes
