Comparison of Distribution of Radioactivity Determined by 3 SPE Methods
| Fraction | European | American | Simplified |
|---|---|---|---|
| Hydrophilic impurities | 4.33 ± 0.73 | 5.24 ± 0.89 | 3.54 ± 1.78 |
| 99mTc-MAG3, fraction 1 | 74.36 ± 6.10 | 68.44 ± 5.00 | 87.47 ± 2.97 |
| 99mTc-MAG3, fraction 2 | 17.45 ± 6.48 | 20.42 ± 4.28 | 7.70 ± 1.84 |
| 99mTc-MAG3, fraction 3 | 1.81 ± 0.41 | 3.06 ± 1.71 | NA |
| 99mTc-MAG3, fraction 4 | 1.03 ± 0.28 | 1.52 ± 0.59 | NA |
| Lipophilic impurities + colloid | 1.03 ± 0.28 | 1.32 ± 0.40 | 1.29 ± 0.36 |
Each value is mean ± SD percentage (n = 6). NA = not applicable.