Figure 3From: Hydroxyapatite Mineralization on the Calcium Chloride Blended Polyurethane Nanofiber via Biomimetic MethodSEM-EDX spectra of electrospun polyurethane nanofibers containing different concentration of CaCl 2 salt after 7-day incubation in SBF solution (a) 0, (b) 1, (c) 1.5 and (d) 2 wt%.Back to article page