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Extraction solvent evaluation following incubation of clinical hair samples for 18 hours
| Extraction Solvent | Normalized DTG Response |
|---|---|
| Acetonitrile | 4% |
| Methanol | 13% |
| 50:50 Acetonitrile:Methanol | 29% |
| 25:25:50 Methanol:Acetonitrile:Water | 18% |
| 50:50 Acetonitrile:Methanol (2% Formic Acid) | 100% |
