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Cytocompatibility of PGS-PVA fibers. (a) Normalized viability of 3T3 cells cultured with extract from PGS-PVA samples. (b) CellTiter-Blue cell viability colorimetric assay with hcbEC. Metabolic activity of cells was measured by fluorescence emission at 590nm after 560nm excitation. All groups were significantly different from TCPS controls (asterisk). PGS fibers were not significantly different from PLGA fibers. (c) SEM of 3T3 cells on PGS-PVA fibers. Scale: 100 μm
