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. 2020 Jul 16;10(7):1386. doi: 10.3390/nano10071386

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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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Effects elicited by AgNPs, PVP, and AgNO₃ on mitosis of Allium cepa root cells. (a) Cell population in each phase of mitosis after 72 h of exposure to several concentrations of AgNPs (lined), PVP (dark gray), and AgNO₃ (grid). C- corresponds to untreated plants (light gray) and C+ to those exposed to 0.37 µg/mL of sodium arsenite (black). * Indicates significative differences with the negative control (p < 0.05); § indicates significative differences with the positive control (p < 0.05). (b) Representative photographs of cells at different stages of mitosis. Images were obtained with a digital camera adapted to the microscope using a 40× objective.

Effects elicited by AgNPs, PVP, and AgNO₃ on mitosis of Allium cepa root cells. (a) Cell population in each phase of mitosis after 72 h of exposure to several concentrations of AgNPs (lined), PVP (dark gray), and AgNO₃ (grid). C- corresponds to untreated plants (light gray) and C+ to those exposed to 0.37 µg/mL of sodium arsenite (black). * Indicates significative differences with the negative control (p < 0.05); § indicates significative differences with the positive control (p < 0.05). (b) Representative photographs of cells at different stages of mitosis. Images were obtained with a digital camera adapted to the microscope using a 40× objective.