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The results of spiked saliva samples (n = 6).
| Saliva Samples | Added amount of SARS-CoV-2 spike antigen | SARS-CoV-2 spike antigen found (mean ± standard deviation) | Recovery (%) (mean ± standard deviation) | RSD (%) |
|---|---|---|---|---|
| Optical Method | 500 ng mL-1 | 471.0 ± 10.4 ng mL-1 | 94.1 ± 2.1 | 2.2 |
| Electrochemical Method | 10 pg mL-1 | 10.2 ± 0.5 pg mL-1 | 102.2 ± 4.9 | 4.8 |
