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. 2018 Sep 19;23(9):2399. doi: 10.3390/molecules23092399

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© 2018 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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Cell Viability. Cell viability in response to the treatments was assessed after 48 h. exposure by measuring the reduction of a tetrazolium salt to formazan (n = 4). Samples of 8 mm diameter cotton disks were treated with the designated solution of copper nanoparticles: Sample (1) Greige Cotton + 100 mM Asc. Acid (Add on per weight of cotton: 162 g/mg); (2) Greige Cotton + CuNP + AA (Add-on per weight of cotton 609 g/mg); (3) Greige Cotton + 2 mM CuCl₂ + 10 mM Asc (Add on per weight of cotton: 11 g/mg cotton). Acid; (4) Greige Cotton + 100 mM CuCl₂ + 1 M Asc. Acid (Add on per weight of cotton: 515 g/mg; (5) 100 percent greige cotton only; (6) medium only. Error bars represent ± 1 standard deviation.