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Schematic diagram of setup of electro-spinning/netting apparatus (a) typical vertical setup (reprinted with permission from [108]. © 2011 Elsevier B.V.) and (b) horizontal set up of electrospinning apparatus (reprinted with permission from [32]. © 2011 Royal Society of Chemistry). The insets show drawings of the forces acting on the charged droplet and typical FE-SEM images of NFN membranes.
