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. 2020 Apr 4;12(4):325. doi: 10.3390/pharmaceutics12040325

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© 2020 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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Cytocompatibility (optical density (OD)) of fibroblasts grown for 3 days (a) and 6 days (b) onto CH (blue), CH/CS (red), CH/HA (green) loaded with norfloxacin at 1% (plain color) and 2% (oblique lines), and with norfloxacin–montmorillonite nanocomposite (N-VHS) at 1% (horizontal lines) and 2% (dots) in norfloxacin. N norfloxacin as a free drug and H (N-VHS nanocomposite) at the same concentrations of the scaffolds are evaluated (mean values ± SD; n = 8). Statistics: * = Mann–Whitney (Wilcoxon) W test p < 0.05.