Table 4.

Mechanical parameters of the measured unmodified and cross-linked gelatin hydrogels.

Sample	Tensile Strength [kPa]	Elongation [%]	Young’s Modulus [kPa]
Gelatin 20%	31.68 ± 9.66	39.23 ± 2.98	37.60 ± 5.00
EDC-NHS	67.91 ± 7.13	74.77 ± 11.71	99.43 ± 11.83
SQ 1%	22.41 ± 6.30	40.54 ± 8.27	53.96 ± 4.34
SQ 3%	10.21 ± 1.60	37.71 ± 5.07	25.00 ± 3.39
DAS	111.91 ± 12.04	25.40 ± 2.84	168.00 ± 40.00