Fig. 2

Biocompatibility evaluation of BGZ@GelMA hydrogel. (A) Proliferation ability of HUVECs determined by the CCK-8 assay after different treatments. (B) Proliferation ability of L929 determined by the CCK-8 assay after different treatments. (C) Representative live/dead staining of HUVECs after incubation for 3 days (scale bar: 100 μm). (D) The representative images of the EDU assay (scale bar: 200 μm). (E) Quantification of the EDU assay