Table 3.

Mechanical properties data including elastic modulus (kPa) and ultimate tensile stress (kPa) with n = 4. Samples are grouped by the ratio of PEGDA to AA and by the overall concentration for statistical comparisons. (* indicates a statistically significant difference with p < 0.05).

Hydrogel Sample	Elastic Modulus (kPa)	Ultimate Tensile Stress (kPa)
100% PEGDA	96.3 ± 18.7	26.0 ± 5.6*
1:4 PEGDA:AA	78.4 ± 7.3	56.2 ± 4.5
1:8 PEGDA:AA	89.1 ± 8.8	47.0 ± 11.2
1:12 PEGDA:AA	90.0 ± 13.4	61.4 ± 13.7
1:16 PEGDA:AA	77.8 ± 7.0	44.9 ± 9.5
0.9 g/mL	67.3 ± 4.3*	22.7 ± 8.7
1.8 g/mL	96.2 ± 6.1*	23.0 ± 3.9
2.7 g/mL	191.8 ± 20.3	36.6 ± 3.4
3.6 g/mL	213.6 ± 7.0	42.9 ± 23.0