Fig. 7.
Fluorescence images of live/dead stained NIH-3T3 fibroblasts encapsulated in DN hydrogels: (A) day 0 and (B) day 3 of culture after DN hydrogel formation. Scale bars represent 200μm. (C) Viability of 3T3 fibroblasts encapsulated in SN and DN hydrogels. (*) indicates significant difference (P < 0.05). 0.5% GGMA hydrogels and 20% GelMA (DM: 14.7%) solutions were used for (A)–(C).