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SEM micrograph of 17.5 % PET electrospun membrane exhibiting ultrastructure of randomly orientated fibres (A) and corresponding histogram showing distribution of fibre diameter size; average diameter of 387 nm (+/−6.9) (B). Photographs of material folded (C), rolled (D), twisted (E) without breaking denote good handleability of the material (n = 3). Scale shown = 5 cm.
