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. 2017 May 30;9(6):61. doi: 10.3390/cancers9060061

Figure 4.

Figure 4

Figure 4

Relative methylene blue (MB) concentration for assessing the concentration of hydroxyl free radicals in He µCAP-treated DI water (a) and DMEM (b). Student t-test was performed, and the statistical significance compared to MB without µCAP treatment (0 s) is indicated as * p < 0.05, ** p < 0.01, *** p < 0.001. (n = 3).