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Resolution: standard / high Figure 1.
High magnification FE-SEM images of electrospun polyurethane nanofibers containing
different concentration of CaCl2 salt before incubation in SBF solution (a1) 0, (b1) 1, (c1) 1.5 and (d1) 2 wt% and
the corresponding EDX spectra (a2)–(d2), respectively.
Nirmala et al. Nanoscale Res Lett 2011 6:2 doi:10.1007/s11671-010-9737-4 |
