Table 1. Fitted Parameters Based on Stretched Exponential for PE PEG2000 Hydrogels at Various SDS and Urea Amounts.

sample (g/mL)	A [Pa]	τ [s]	β	r2	sample (g/mL)	A [Pa]	τ [s]	β	r2
no SDS	180000	270	0.239	0.99	no urea	180000	270	0.239	0.99
0.002 SDS	87000	243	0.319	0.99	0.09 urea	143000	70	0.251	0.99
0.03 SDS	46000	102	0.257	0.99	0.18 urea	77000	47	0.251	0.99