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Concentration of salivary nitrite in samples collected from the three males and three females volunteers.
| Sample # | μPAD Signal (AU) | μPAD [NO2−] (μmol L−1) | UV [NO2−] (μmol L−1) |
|---|---|---|---|
| 1 | 26 ± 12 | 25 ± 14 | 26.1 ± 0.2 |
| 2 | 70 ± 6 | 209 ± 59 | 161.7 ± 0.2 |
| 3 | 89 ± 3 | 521 ± 79 | 434.2 ± 0.2 |
| 4 | 97 ± 3 | 766 ± 99 | 765.6 ± 2.8 |
| 5 | 26 ± 13 | 25 ± 15 | 25.7 ± 0.0 |
| 6 | 33 ± 9 | 35 ± 15 | 37.3 ± 0.2 |
