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Linearity and LOD of 1,4-NQ in the presence of various initial GSH amount with 20 min of reaction time.
| Devices | GSH (nmol) | LOD of 1,4-NQ (ng) | Linearity of 1,4-NQ (ng) |
|---|---|---|---|
| 2.5 | 11.0 | 0 – 75 | |
| µPADs | 1.25 | 6.5 | 0 – 35 |
| 0.5 | 3.7 | 0 – 25 | |
| Distance-based | 1.25 | 10.0 | 5–25 |
| µPAD | 0.5 | 20.0 | 15–30 |
