Table 1 Prepared and calculated values of pH, contrast agent concentrations (C), oxygen partial pressures (pO2) and phosphate buffer concentrations (Pi) and standard deviations (SD) for phantom samples presented in Fig. 5.
phantom | vial | prepared | calculated mean values ± SD | ||||||
|---|---|---|---|---|---|---|---|---|---|
pH | C, mM | pO2, mmHg | Pi, mM | pH | C, mM | pO2, mmHg | Pi, mM | ||
1 | 1 | 6.77 | 1.2 | 0 | 0 | 6.76 ± 0.02 | fixed | 3 ± 4 | none |
2 | 7.12 | 1.2 | 15.2 | 0 | 7.10 ± 0.02 | fixed | 11 ± 7 | none | |
3 | 7.33 | 1.2 | 38 | 0 | 7.35 ± 0.02 | fixed | 33 ± 8 | none | |
4 | 7.51 | 1.2 | 76 | 0 | 7.47 ± 0.04 | fixed | 75 ± 10 | none | |
2 | 1 | 7.0 | 2 | 15.2 | 0 | 6.97 ± 0.02 | 1.80 ± 0.16 | 12 ± 6 | none |
2 | 7.0 | 1 | 0 | 0 | 7.05 ± 0.02 | 1.1 ± 0.2 | 0 ± 2 | none | |
3 | 7.0 | 0.4 | 15.2 | 0 | 7.03 ± 0.03 | 0.43 ± 0.06 | 16 ± 4 | none | |
4 | 7.0 | 0.2 | 0 | 0 | 7.00 ± 0.03 | 0.20 ± 0.03 | 3 ± 2 | none | |
3 | 1 | 6.8 | 1 | 76 | 0 | 6.83 ± 0.03 | fixed | 66 ± 8 | 0.1 ± 0.2 |
2 | 6.8 | 1 | 38 | 1 | 6.79 ± 0.02 | fixed | 29 ± 4 | 1.1 ± 0.5 | |
3 | 6.8 | 1 | 15.2 | 2 | 6.74 ± 0.02 | fixed | 12 ± 5 | 2.0 ± 0.6 | |
4 | 6.8 | 1 | 0 | 4 | 6.76 ± 0.02 | fixed | 0.3 ± 1.2 | 4.3 ± 0.4 | |