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. 2019 May 7;9(5):708. doi: 10.3390/nano9050708

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© 2019 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 (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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(a) General scheme of a filtration membrane with antibacterial halloysite based fillers. (b) SEM images of the cross-section morphology of membranes: (a) pure polyethersulfone membrane, (b) polyethersulfone membrane containing 1% N-halamine@halloysite, and (c) polyethersulfone membrane containing 3% N-halamine@ halloysite; (d) TEM image of the presence of N-halamine@halloysite in the polyethersulfone hybrid membrane. Reproduced with permission from [113], Royal Society of Chemistry, 2015.