Table 1.

Compositions of hydrogels used for experiments.

Hydrogel composition	GelMA concentration (%w/v)	Photo-crosslinker concentration (%w/v)	Total macromer concentration (%w/v)
0% PD	6	0	6
33% PD	4	2	6
50% PD	3	3	6
67% PD	2	4	6
100% PD	0	6	6