Fig. 2
From: GelMA-MXene hydrogel nerve conduits with microgrooves for spinal cord injury repair
Characterization of GelMA-MXene hydrogel. a SEM images of TCPs (i), GelMA substrate (ii), and GelMA-MXene substrate (iii), respectively. Scale bars: 100 μm. b–e The compression property (b), swelling performance (c), degradation performance (d), and conductivity € of the two kinds of hydrogels. *p < 0.05, **p < 0.01, ***p < 0.001