Fig. 6From: Fabrication and characterization of metformin-loaded PLGA/Collagen nanofibers for modulation of macrophage polarization for tissue engineering and regenerative medicineIn vitro Cytotoxicity of MET-PLGA/Col NFs on LPS-induced RAW264.7 macrophage cells assessed after 3 days’ incubation using MTT colorimetric assay (P < 0.05). Values are expressed as mean ± SD of three parallel measurementsBack to article page