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. 2016 Dec 19;11(12):e0168595. doi: 10.1371/journal.pone.0168595

Fig 5. Detection of reactive oxygen species (ROS) using nitroblue tetrazolium.

Fig 5

Samples not exposed to current (shown as 0 μA) were compared with those exposed to 200 μA direct current (DC) after 5 and 10 minutes. A. ROS production in S. aureus *p = 0.0088; B. S. epidermidis *p = 0.0088 **p = 0.012; and C. P. aeruginosa *p = 0.009, compared with control.