Fig. 1: Characterization of GelMA scaffolds.

A SEM of GelMA scaffolds. B WCA. C Diameter of GelMA scaffolds. D Degradation percentage of GelMA scaffolds (n = 3). E Light microscope image of GelMA scaffolds after freeze-drying. F Stress–strain curves of GelMA scaffolds. G Young’s modulus of GelMA scaffolds. ***p < 0.001, compared with the control, n = 9.