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Swelling behavior and metal release of alginate-based aerogels in substitutes for human body fluids. Aerogels were incubated for 5 min in the body fluid substitutes before quantification of (A) liquid uptake (B) albumin binding and (C) metal release. Data are presented as means ± SEM of three independent experiments. Bars sharing letters are not significantly different (repeated measures ANOVA with Tukey’s multiple comparisons post-hoc test).
