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. 2017 Jul 6;7:4662. doi: 10.1038/s41598-017-04910-3

Figure 4.

Figure 4

Effects of UVC-irradiated sodium/calcium perchlorate and sulfate on B. subtilis viability. UV = UVC irradiated control at given distance from light source; Ca = 0.6 wt% Ca(ClO4)2 at given distance from light source; Na = 0.6 wt% NaClO4 at given distance from light source; perchlorate = 0.6 wt % Mg(ClO4)2; sulfate = 30 wt% MgSO4. Letters shared in common between or among the groups indicate no significant difference (p > 0.05); error bars are + s.d. (n = 3). Vertical grey line indicates separate experiment with different control.