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. 2009 Jul 14;10(7):3209–3223. doi: 10.3390/ijms10073209

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© 2009 by the authors; licensee Molecular Diversity Preservation International, 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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Figure 1. — Concentration of bacteria cm⁻² after 1, 4 and 14 days. CuO, Oma and SN are copper-based paints, whereas C1 and C2 are chitosan-based paints and Ep is the paint without additive.

Standard deviation is shown with error bars. Columns with one asterisk (*) present values not different to each other or to columns without asterisks, but are significantly different to values from columns with two asterisks (**). Columns without asterisk are not significantly different to each other for the same day.