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Cellular uptake of iron (Fe) or gadolinium (Gd) measured on ICP-AES.
| Incubation medium [Fe] (mM) | Mass of Fe (pg/cell) | Incubation medium [Gd] (mM) | Mass of Gd (pg/cell) |
|---|---|---|---|
| 0 | 0 | 0 | 0 |
| 0.0036 | 0.77 | 0.002 | 0.71 |
| 0.009 | 1.87 | 0.02 | 7.26 |
| 0.018 | 3.21 | 0.1 | 34.1 |
| 0.036 | 6.17 | 0.2 | 84.9 |
A linear correlation exists between Fe incubation concentration and cellular uptake (r = 0.9997, P < 1e − 6) and between Gd incubation concentration and cellular uptake (r = 0.995, P < 1e − 4).
