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. 2023 Apr 24;21:133. doi: 10.1186/s12951-023-01873-8

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Fig. 2 — (a) Hydrogel pore sizes obtained via swelling experiments. (b) Compressive moduli (data presented as mean ± SEM, n = 2 for Formulation 3, and n = 3 for the rest, P-values are calculated using two-tailed Students’ t-test, *P < 0.05) of hydrogels obtained from the linear regions of dynamic mechanical analysis (Figure S1)