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. Author manuscript; available in PMC: 2018 May 16.
Published in final edited form as: ACS Appl Mater Interfaces. 2018 Mar 6;10(11):9269–9279. doi: 10.1021/acsami.7b18653

Figure 5.

Figure 5

Accumulation of NO2− in cancer cells. MDA-MB-231 breast cancer cells (a,b) and U87 glioblastoma cells (c,d) were treated with a CAP output voltage of 3.16 or 3.71 kV for 60 s and were monitored over the course of 48 h. Accumulation of NO2− in cancer cells after CAP exposure was estimated by Griess reagent assay. NO2− levels in CAP-treated cells were measured and compared with those of untreated cells (control 1) and plasma-treated media (control 2).