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Uptake of S100 composite materials by eukaryotic cells. Cells were incubated overnight in medium containing either bulk- (a,b) or micro-formulated (c,d) composite materials. Both bulk hydrogels, S100 (a) and SC50 (b), as well as S100 microgels (magenta), were taken up by REF52 (a), A431 (b) and HeLa (c,d) cells, respectively. REF52 and A431 cells were additionally stained with Phalloidin (green, actin stain) and Hoechst (blue, nuclear stain). All scale bars are 20 µm.
