Table 2.
Standard Concentration | ||||
---|---|---|---|---|
Calibration Tube | MSD | CBA | ||
Vendor | Modified | Vendor | Modified | |
1 | 2500a | 2500 | 5000 | 2500 |
2 | 625 | 625 | 2500 | 625 |
3 | 156 | 156 | 1250 | 156 |
4 | 39 | 39 | 625 | 39 |
5 | 9.8 | 9.8 | 312.5 | 9.8 |
6 | - | 4.9b | 156 | 4.9 |
7 | 2.4 | 2.4 | 80 | 2.4 |
8 | - | 1.2 | 40 | 1.2 |
9 | 0.6 | 0.6 | 20 | 0.6 |
10 | - | 0.3 | - | 0.3 |
11 | - | 0.15 | - | 0.15 |
12 | 0 | 0 | 0 | 0 |
Approximate concentration of standards in pg/ml in each tube
Bold = added in the modified standard curve