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SEM images of electrospun CH-PEO blends; 4.5 wt.% CH:PEO 95:5, and 10:1, 3 wt.% acetic acid in Dimethyl Sulphoxide (DMSO), chitosan electrospun fibres spun using PEO as co-polymer. (a) Overly aligned fibres (b) random fibres (c,d) fibre distribution frequency calculated from 100 fibres (e,f) orientation histograms showing distribution of aligned and random fibres. Image adapted with permission from publisher (scale bar = 5 µm) [3].
