Research Article

Effects of a Nonthermal Atmospheric Pressure Plasma Jet on Human Gingival Fibroblasts for Biomedical Application

Figure 4

Intracellular reactive oxygen species (ROS) after air or air APPJ treatment on hTERT-hNOF cells. ROS was measured 20 minutes later after treatment. Statistic difference is shown between same letters in same treatment time. Asterisk indicates significant difference compared to NT (, ).