Fig. 2.
Fig. 2. FACS scan analysis of H2O2accumulation. (A) NB4 cells were labled with DCFH-DA fluorescent probe for 1 hour and then treated with or without 50 μmol/L H2O2 for 1 hour as a positive control. (B) NB4 and U937 cells were treated with 1 μmol/L As2O3 for the indicated times, with DCFH-DA fluorescent probe being added 1 hour before the addition of As2O3. The oxidized DCF was analyzed by FACS.

FACS scan analysis of H2O2accumulation. (A) NB4 cells were labled with DCFH-DA fluorescent probe for 1 hour and then treated with or without 50 μmol/L H2O2 for 1 hour as a positive control. (B) NB4 and U937 cells were treated with 1 μmol/L As2O3 for the indicated times, with DCFH-DA fluorescent probe being added 1 hour before the addition of As2O3. The oxidized DCF was analyzed by FACS.

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