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. 2008 Nov 21;296(2):H237–H246. doi: 10.1152/ajpheart.00601.2008

Fig. 5.

Fig. 5.

Production of iron nitrosyl hemoglobin after introduction of nitrite into adult or fetal whole blood. Thirty seconds following addition of nitrite (500 μM initial concentration) to whole blood at ∼10% HbO2, fetal (n = 3) iron nitrosyl hemoglobin concentrations, measured by electron paramagnetic resonance, are significantly greater than those measured in adult blood (n = 3; *significant difference from adult, P < 0.01).