Fig. 3

Inverted light microscope images of optimization process of Cs/PVA electrospinning with different ratios and AcAcid concentrations in different magnifications (10x, 20x, and 50x), column (a) AcAcid 50% and column (b) AcAcid 80%.

Inverted light microscope images of optimization process of Cs/PVA electrospinning with different ratios and AcAcid concentrations in different magnifications (10x, 20x, and 50x), column (a) AcAcid 50% and column (b) AcAcid 80%.