| Sample | Matrix | LoD |
| Ricin | PBS | 3.0 pM |
| Soil | 0.03 pM | |
| Chopped Lettuce | 30.0 pM | |
| Tap Water | 3.0 pM | |
| SEB | PBS | 4.0 pM |
| Soil | 0.04 pM | |
| Milk | 4.0 pM | |
| Tap Water | 4.0 pM | |
| Serum | 40 pM |