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. 1999 May;181(9):2719–2725. doi: 10.1128/jb.181.9.2719-2725.1999

FIG. 2.

FIG. 2

Oxygen consumption by NDO in the presence of naphthalene (Naph) and benzene (Benz). Additions of substrates (4 μl of 25 mM in methanol), catalase (1,000 U), and SOD (82.5 U) were made at the times indicated by arrows. Experimental details are described in Materials and Methods. Additions of 0.1 mM naphthalene (A); 0.1 mM naphthalene in the presence of 0.1 mM Fe(NH4)2(SO4)2 · 6H2O (B); 0.1 mM benzene, followed by additions of catalase, SOD, and 0.1 mM naphthalene (C); and 0.1 mM benzene in the presence of 0.1 mM Fe(NH4)2(SO4)2 · 6H2O (D).