Mitochondrial sample [MbO2] V1, polarographic τlag, spectrophotometric V1 из τlag, spectrophotometric V2, spectrophotometric V2/V1 mM μM / min min μМ / min μМ / min   Native coupled 0.11 0.25 15 ± 1.5 13.5 ± 1.5 17 ± 2 19 ± 2 14.7 ± 1.5 13.2 ± 1.5 15.6 ± 1.5 14 ± 1.5 1 ± 0.05 FCCP uncoupled 0.11 0.25 73 ± 8 78 ± 8 3 ± 0.5 3.1 ± 0.5 83 ± 8 81 ± 8 77 ± 8 80.5 ± 8 0.98 ± 0.05 Frozen 0.11 0.25 50 ± 5 43 ± 5 5.5 ± 0.5 5.3 ± 0.5 45.5 ± 5 47.2 ± 5 46 ± 5 48 ± 5 1.05 ± 0.05 Frozen *0.12 _ 6.5 ± 0.5 39.5 ± 4 21.6 ± 2 0.55 *Carboxymethylated sperm whale CM-MbO2

Table 1: The O2 uptake by rat liver mitochondria in the presence of MbO2 (V1) according to polarographic and spectrophotometric data, and the rate of MbO2 deoxygenation in the presence of mitochondria (V2).