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Assessment of recovery and matrix effect for cis- and trans-cefprozil (n = 6).
| Compound | Concentration (μg/mL) |
Recovery (%) Mean ± SD |
IS normalized matrix effect | |
|---|---|---|---|---|
| Mean (%) | CV (%) | |||
| Cis-cefprozil | 0.05 | 100.3±5.3 | 93.7 | 3.0 |
| 4.1 | 96.2±3.0 | NA | NA | |
| 12.4 | 99.1±7.7 | 92.6 | 3.8 | |
| Trans-cefprozil | 0.025 | 102.9±4.2 | 92.4 | 7.7 |
| 0.445 | 96.9±4.3 | NA | NA | |
| 1.33 | 105.1±2.8 | 91.6 | 6.0 | |
SD: standard deviation; CV: coefficient of variance; NA: not available.
