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. 2021 Jul 1;12:631318. doi: 10.3389/fmicb.2021.631318

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Copyright © 2021 Mohammadi, Cheng, Aslam, Jakada, Wai, Ye, He, Luo, Ye, Dong, Hu, Priyadarshani, Wang-Pruski and Qin.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Lewis dot structure of oxygen and ROS. The name and chemical formula are given below each structure; bullets () represent an unpaired electron.

Inline graphic — Lewis dot structure of oxygen and ROS. The name and chemical formula are given below each structure; bullets () represent an unpaired electron.