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. 2019 Feb 7;9:1659. doi: 10.1038/s41598-018-38132-y

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© The Author(s) 2019

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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(A) Cell viability (black squares) and ROS formation (orange circles) in 661 W cells. 661 W cells were exposed to light for 0–180 min. (B) Area under the curve (t = 30 min) from fluorescence intensity data (black square) and GSH enzymatic measurements (orange circles) at different light exposure times. The results are expressed as a means ± SEM. (n = 3 in the AUC and n = 8 in the rest of the data).