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. 2023 Feb 1;19:100569. doi: 10.1016/j.mtbio.2023.100569

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© 2023 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 2 — Characterization of the composite hydrogels. (A), (B), (D) and (E) Rheological and mechanical properties of composite hydrogels with a variety of HAMA compositions. (C) Compressive stress-strain curve of the composite hydrogel. (F) The ultimate compressive modulus of the composite hydrogel when the strain reached 40%. (G) The swelling properties of composite hydrogels. (H) Composite hydrogels with different HAMA ratios demonstrate the retardation property of exosome release in vitro. Data are shown as mean ± standard error (n = 3). (∗p < 0.05, ∗∗p < 0.01, ∗∗∗p < 0.001.)