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Toxin emission wavelength ratios at 395/430 nm as measured by peak height. Monitoring calibration standards of dcSTX and B1 were spiked in toxin-free oyster C18 extract at 0.26 and 0.51 μM, respectively. Except for cleaned samples, values represent X ± SD from four separate oxidation rounds.
| Toxin | dcSTX | B1 |
|---|---|---|
| Standard in oyster | 2.87 ± 0.02 | 2.09 ± 0.01 |
| Patient A urine (Oct-11) | 2.87 ± 0.02 | 2.07 ± 0.01 |
| Patient B urine cleaned (Oct-14) | * | 2.07 |
| Patient B plasma cleaned (Oct-14) | * | 2.07 |
