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. 2018 Jan 25;8(2):65. doi: 10.3390/nano8020065

Figure 1.

Figure 1

Fabrication strategies of various nanoporous membranes: (a) Formation of a superoleophobic PAA-g-PDVF membrane by a salt-induced phase-inversion process; (b) Preparation of triple-layered thin film composite (TFC) nano-filtration membrane by interfacial polymerization; (c) Schematic of single-ion irradiation setup; and (d) Schematic of electrospinning. Picture (a) is reprinted with permission from Ref. [57]. Copyright Wiley-VCH (Weinheim, Germany), 2016. Picture (b) is reprinted with permission from Ref. [58]. Copyright Royal Society of Chemistry, 2017. Picture (c) is reprinted with permission from Ref. [59]. Copyright Beilstein-Institut, 2012. Picture (d) is reprinted with permission from Ref. [54]. Copyright Elsevier, 2015.