Fabrication of Biodegradable Polyester Nanocomposites by Electrospinning for Tissue Engineering

Figure 3

Fiber angles for the different rates of rotation: (a)–(d) SEM images of electrospun PCL/collagen nanofibers (×4.0 k magnification) and (e)–(h) normalized histograms of fiber angle, (a), (e) static, (b), (f) 800 rpm, (c), (g) 1500 rpm, and (d), (h) 2350 rpm. Reproduced from Biomaterials with permission from Elsevier [21].