Mechanical properties of 6V12+-St-based hydrogel.

Hydrogel state	E a (kPa)	TSb (kPa)	ε B c (%)	G′d (Pa)	G′′e (Pa)
Oxidized	14.4 ± 0.4	5.5 ± 0.4	37.3 ± 1.5	494	36
Blue light (control)	17.7 ± 1.2	13.2 ± 1.2	69.7 ± 3.0	787	36
Red light	17.9 ± 0.2	18.8 ± 0.6	103.8 ± 1.3	1953	131
Heat	23.2 ± 1.8	22.8 ± 2.7	103.2 ± 4.7	3465	237
Blue light	23.9 ± 2.2	28.3 ± 0.7	110.7 ± 2.5	4397	297
Blue + heat	33.0 ± 1.9	40.3 ± 3.1	116.5 ± 4.7	4841	399

^aYoung's modulus (E), determined from the slope of the linear elastic region of each stress vs. strain curve.

^bTensile Strength (TS), determined from the maximum stress value just before break.

^cElongation at break (ε_B), determined from the maximum percent strain when the sample fractured.

^dStorage modulus (G′), determined at 10 rad s⁻¹.

^eLoss modulus (G′′), determined at 10 rad s⁻¹.