Potential of Electrospun Poly(3-hydroxybutyrate)/Collagen Blends for Tissue Engineering Applications

Figure 3

FTIR spectra of the PHB/Coll meshes, plotted in the range 3500–1000 cm⁻¹. Amide bands ascribable to collagen are clearly visible in 70/30 and 50/50 samples, at 3321 cm⁻¹, 3079 cm⁻¹, 1640 cm⁻¹, and 1545 cm⁻¹.