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Quantitation of streptomycin (m/z 582) in urine, using OSX polymer. Spray solvent: 1:1 (v/v) methanol water with 0.1% (v/v) formic acid. Spray voltage: 5 kV. Sample loading: 1 μL. Dihydrostreptomycin as internal standard (m/z 584).
| Substrate | Sample 1 (n=3) μg/mL |
Sample 2 (n=3) μg/mL |
Sample 3 (n=3) μg/mL |
|---|---|---|---|
| OSX | 39.0 ± 4.9 | 28.5 ± 1.5 | 31.3 ± 1.6 |
| Actual concentration | 40 | 30 | 25 |
