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. 2023 Jun 23;10(24):2301665. doi: 10.1002/advs.202301665

Figure 2.

Figure 2

Mechanical properties of gelatin‐based tough hydrogel. a) Mechanical properties of hydrogel as a function of salt concentration. b) Mechanical properties of hydrogel as a function of the number of training cycles. c) Crystallinity of the hydrogel as a function of the number of training cycles. d) FTIR characterization of hydrogel. e) The water content of hydrogel with different treatments. The insets show the corresponding SAXS patterns of hydrogel. Scale bars: initial is 100 µm, further enlargement is 20 µm.