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In vitro biocompatibility of the composite fibers extracts from CL microfibers. Cell viability assay (a) on HDFa cells and (b) on keratinocytes (HaCaT) cells after 24 and 48 h of growth in the presence of the extracts obtained from the CL samples. (c) Confocal images depicting the HDFa cell morphology after 48 h of growth in the presence of the extraction media of the different ZPCsCL samples. Scale bar of 100 μm.
