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Tetrodotoxin (TTX) matrix effects expressed as the relative difference between the slopes of the matrix curves and the solvent curves.
| Serial Number | Mussels | Oysters | Whelks |
|---|---|---|---|
| 1 | +6.0% | +8.9% | +11.6% |
| 2 | +5.2% | +0.7% | +4.5% |
| 3 | +6.7% | −2.8% | +4.9% |
| 4 | −0.8% | −5.7% | +3.3% |
| Mean | +4.3% | +0.3% | +6.1% |
