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. Author manuscript; available in PMC: 2015 Mar 1.
Published in final edited form as: Biofabrication. 2013 Dec 17;6(1):015002. doi: 10.1088/1758-5082/6/1/015002

Figure 1.

Figure 1

Figure 1

Morphology of electrospun membranes as seen under TEM (A & B) and SEM (C to E). A) As-spun co-axial fibre showing PU-core and gelatin-Shell, B) As-spun PU fibre, C) discreet as-spun fibres, D) membranes crosslinked by immersion in glutaraldehyde solution showing disruption of fibro-porous structure, and E) membranes crosslinked using glutaraldehyde vapour that maintained their fibro-porous structure, but with fibres crosslinked with neighbouring fibres at contact points.