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. 2014 Jul 30;14(8):13863–13912. doi: 10.3390/s140813863

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© 2014 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Scheme 2. — Schematic representation of a flat membrane formation process via phase inversion technique: (a) casting of the polymer solution on a support; (b) immersion precipitation; (c) formed membrane.