The degradation of the SF-based scaffolds was examined recording the weight change of the scaffold after infusion in PBS with lysozyme (0.5 mg/mL, Amresco) which was similar to circulating blood. The degradation buffer was changed every 2 days. The scaffolds were freeze-dried and weighed at time intervals of 1, 2, 4, 6 and 8 weeks. The percentage of scaffold degradation was determined by the following formula 68:
W0 is the original weight of the scaffold and Wd is the weight after degradation.
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