| Iron concentration (M) | ||
Experience condition | Soluble extracellular | Absorbed at cell surface | Intracellular |
Positive control | 8.1 × 10−6 ± 0.01 | 5.4 × 10−6 ± 0.01 | 6.7 × 10−6 ± 0.01 |
Culture with Fe/SiO2 10−4 M | 4.3 × 10−5 ± 0.01 | 3.9 × 10−5 ± 0.01 | 1.6 × 10−5 ± 0.01 |
Iron released from the SiO2 capsule | |||
Molar unit | 3.5 × 10−5 ± 0.01 | 3.4 × 10−5 ± 0.01 | 9 × 10−6 ± 0.01 |
% | 35.6 | 34.6 | 9.5 |