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Characteristics of commercially-available conventional ELISA assays.
| NfL (n=49): | Tau (n=36): | |
|---|---|---|
| Immunoassay format: | ||
| Sandwich n (%): | 39 (79.6) | 35 (97.2) |
| Competitive n (%): | 8 (16.3) | 0 (0.0) |
| Unknown n (%): | 2 (4.1) | 1 (2.8) |
| Mode of detection: | ||
| Colormetric n (%): | 40 (81.6) | 28 (77.8) |
| Chemiluminesent n (%): | 5 (10.2) | 3 (8.3) |
| Flourescent n (%): | 0 (0.0) | 1 (2.8) |
| Unknown n (%): | 4 (8.2) | 4 (11.1) |
| LLOD mean (range): | 36.9 (12.4–156.0) pg/mL | 42.1 (6.3–500.0) pg/mL |
LLOD, lower limit of detection.
