A Facile Approach for the Mass Production of Submicro/Micro Poly (Lactic Acid) Fibrous Mats and Their Cytotoxicity Test towards Neural Stem Cells

Figure 5

(a) Representative SEM images of electrospun PLA (10% (w/v)) with various fiber diameters, obtained in various polymer solution flow rates (0.1–10 mL/hr). (b) The effect of PLA (10% (w/v)) solution flow rate on fiber diameter in two different tip-collector distances (TCD). ; is the number of analyses.

(a)

(b)