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. Author manuscript; available in PMC: 2021 Mar 1.
Published in final edited form as: Sens Actuators B Chem. 2019 Nov 30;306:127446. doi: 10.1016/j.snb.2019.127446

Figure 6. Evaluation of NO2-Rosol in live cells under normoxic and hypoxic conditions.

Figure 6.

Confocal fluorescence microscopy of NO2-Rosol (10 μM) in U251 cells incubated under normoxic (pO2 = 20%) and hypoxic (pO2 = 0.5%) conditions. A) Fluorescence imaging (top panels). Emission was collected from 650–800 nm (λex = 550 nm). B) Brightfield imaging (bottom panels). Scale bar = 25 μm. C) Quantitative analysis of the mean cell fluorescence intensity. N = 50, P < 0.0001