Table 1.
Equilibrium dialysis results for PFAS-BSA binding at 37°C.
| PFAS | f a | KPW (105)a | Ka (105 M−1)a | Ka (105 M−1)b |
|---|---|---|---|---|
| PFOA | 0.755 (0.038) | 0.66 (0.13) | 3.77 (0.80) | 11 (1.1) |
| PFNA | 0.975 (0.005) | 8.52 (1.62) | 44.05 (8.37) | 14 (2.2) |
| PFDA | 0.983 (0.004) | 12.66 (3.23) | 61.62 (15.72) | 36 (3.1) |
| PFBSc | 0.249 (0.064) | 0.07 (0.02) | 0.93 (0.55) | 1.1 (0.28) |
| PFHxS | 0.842 (0.008) | 1.11 (0.06) | 6.48 (0.39) | 44 (3.5) |
| PFOS | 0.942 (0.004) | 3.39 (0.27) | 17.99 (1.44) | 32 (4.9) |
| Gen Xc | 0.265 (0.006) | 0.07 (0.002) | 0.65 (0.04) | 0.23 (0.05) |
a
Standard error shown in parentheses
b
Reported by Allendorf et al. (2019)
c
KPW and Ka determined at a PFAS:BSA molar ratio of 2:1. All other values are determined at a 0.1:1 molar ratio (Additional details in the Supplemental Information).