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. 2016 Nov 17;6:35814. doi: 10.1038/srep35814

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Copyright © 2016, The Author(s)

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(a) Fluorescence signal on ROS generation with or without trapping treatment and UV-emitted bacteria, which is the positive control set by 8 W ultraviolet lamp (254 nm) emission on bacterial cell for 1 min to increase ROS level dramatically. (b) Fluorescence emission spectrum of the stained E. coli with or without trapping treatment, with heat-killed bacteria control. (c) Green/Red fluorescence ratio (530 nm/635 nm) from (b). (d) Bacteria growth rate. Results are mean ± SEM (n = 3 independent experiments).