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. 2002 Sep;68(9):4350–4356. doi: 10.1128/AEM.68.9.4350-4356.2002

FIG. 4.

FIG. 4.

Effect of cytochrome c (Cyt. c) on the formation of H2O2 during oxidation of NADH (250 μM) by NADH oxidase in CE of anaerobically grown cells as measured with an oxygen electrode. Panels: A, assay without initial addition of cytochrome c; B, assay with initial addition of cytochrome c. After complete oxidation of NADH, catalase was added to the assay to detect H2O2.