256161.fig.004a
(a)
256161.fig.004b
(b)
Figure 4: SEM micrographs showing the effect of binary solvent systems on resulting CA electrospun fibre morphology and web structure at a polymer concentration of 15% (w/v). Mag 300x: (a) DMAc : acetone (2 : 1) large beads, (b) acetone : DMAc (2 : 1) fibres and small beads.