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. 2018 Jan 19;3(1):37–48. doi: 10.1002/btm2.10077

Figure 2.

Figure 2

Physical characterization of keratin‐PEG hydrogels. (a) Compressive moduli and (b) elastic moduli of hydrogels of different formulations. (c,d) Equilibrium swelling ratios of keratin‐PEG hydrogels of different formulations using (c) 0.06 mM Eosin Y and (d) 0.6 mM Eosin Y. (e,f) Degradation kinetics profiles of keratin‐PEG hydrogels of different formulations using (e) 0.06 mM Eosin Y and (f) 0.6 mM Eosin Y in 0.5 U/mL Proteinase K solution in PBS at 37°C (*p < .05; **p < .01; ***p < .001; ****p < .0001)