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Spike recovery testing.
| Spike recovery | sPD-1 | sPD-L1 | sCTLA-4 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Levela | L | M | H | L | M | H | L | M | H |
| n (Individual) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| spike conc. (pg/mL) | 100.7 | 248.2 | 962.2 | 89.8 | 235.6 | 938.9 | 96.2 | 237.1 | 949.5 |
| recovery (%) | 107.1 | 108.0 | 107.9 | 103.2 | 93.9 | 98.1 | 98.5 | 98.3 | 100.3 |
Ten normal human plasma specimens were spiked at three levels of concentration with recombinant PD-1, PD-L1 and CTLA-4.
aL, M, and H indicate low, middle, and high concentration controls, respectively.
