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(A) Cytoskeleton staining (red: actin; blue: nuclei) and live/dead fluorescent images (green: live cells, red: dead cells) of 3T3 cells after culturing with various hydrogels for 1 and 3 days. (B) LDH and (C) CCK-8 assays (n = 6), ∗p < 0.05, ∗∗p < 0.01. (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)
