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. 2017 Sep 7;7:10937. doi: 10.1038/s41598-017-11024-3

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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PM₁₀ from biomass burning emissions induces DNA damage in human lung cells. (A) Image of comet test after treating A549 human lung cells with PM₁₀; mean of comet tail moment after treatment with 200 and 400 μg.mL⁻¹ of PM_10, RET (30 ng. mL⁻¹) and PAHs mix (10 ng.mL⁻¹) for 24 h. (B) γ-H2AX formation after 24 and 72 h treatment with PM₁₀. *p < 0.05 and **p < 0.01 statistically significant compared to negative control (NC) (DMEM) according to Dunnett's test. DC: DMSO control (0.1%).