Fast Coprecipitation of Calcium Phosphate Nanoparticles inside Gelatin Nanofibers by Tricoaxial Electrospinning

Figure 3

SEM micrographs of G (a), GCaP50 (b), GCaP250 ((c), (e)), and GCaP375 ((d), (f)). Scale bar: 2 µm ((a)–(d)); 1 µm ((e), (f)).

(a)

(b)

(c)

(d)

(e)

(f)