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Parallelism evaluation.
| Dilution factor | Blood, PPIX (nM) | Brain tumor, PPIX (nM)* |
|---|---|---|
| 1 | 1710 | 12000 |
| 2 | 1640 | 10100 |
| 5 | 1640 | 10500 |
| 10 | 1640 | 10500 |
| 20 | 1660 | 10800 |
| Mean | 1660 | 10780 |
| Standard deviation | 30.3 | 725.9 |
| %CV | 1.8 | 6.7 |
*Reported concentrations represent the PPIX concentration in the tissue sample before homogenization.
