Figure 5.

Mouse fibroblast cells were incubated with the indicated 3D matrix in a density of 1 × 10⁵ cells per well. (a) The cell proliferation and (b) representative confocal images were measured after 3 days of incubation. Scale bar, 50 μm. Bar = mean ± SD; n = 4. * = p < 0.1; ** = p < 0.01. Matrix hydrogels presenting inks of CNF and CNF/GelMA with weight compositional ratios of 5:1, 2:1, and 9:10. Adapted with permission from ref. [42]. Copyright 2019, American Chemical Society.