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. 2023 Aug 23;10(28):2302519. doi: 10.1002/advs.202302519

Figure 2.

Figure 2

Physicochemical characterization of hydrogels. A) Digital photos of and SEM images of the HA and HASPy hydrogels. B) 1HNMR spectra of Cys, HA, Py‐COOH, and HA‐Cys‐Py. C) Strain amplitude sweep analysis of the HA hydrogels, where the crossing points of G′, G″ are their largest strain. D) Strain amplitude sweep analysis of the HASPy hydrogels. E) Thixotropic properties of the self‐healing HA hydrogel at changed strains of 1% and 600%, respectively. F) Thixotropic properties of the self‐healing HASPy hydrogel at changed strains of 1% and 400%, respectively.