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

Figure 1

Sketch of the triaxial needle configuration and enlargement of the needle internal structure. The feeding solutions were (i) phosphorous-based water solution in the inner needle; (ii) calcium-based water solution in the intermediate needle; (iii) gelatine solution in the outer needle.