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. 2020 Apr 8;8:208. doi: 10.3389/fbioe.2020.00208

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Copyright © 2020 Tirella, Mattei, La Marca, Ahluwalia and Tirelli.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Equilibrium volume swelling ratios (Q_eq). Different letters indicate significant differences between samples (one-way ANOVA, p < 0.05). (B) Hydrogel mesh size estimations (ξ) obtained either with equilibrium swelling and rubber elasticity theories. Different letters indicate significant differences between samples (one-way ANOVA, p < 0.05). Letters with no sign are referred to ANOVA results of ξ calculated using equilibrium swelling data, whereas those with an apostrophe indicate ANOVA results obtained for ξ estimated from mechanical data.