Table 1.
Linear regression equations based on UCNP-LFIC of OP pesticides (n = 5).
| Pesticide | Standard Curve | R2 | IC50 (ng/mL) | Linear range (ng/mL) | MRLa (mg/kg) |
|---|---|---|---|---|---|
| Parathion | y = 7.575 ln(x) + 40.64 | 0.9907 | 3.44 | 0.98~250 | 0.01 |
| Parathion-methyl | y = 10.381 ln(x) + 35.67 | 0.9853 | 3.98 | 1.95~250 | 0.01 |
| Fenitrothion | y = 11.702 ln(x) + 20.45 | 0.9851 | 12.49 | 0.98~250 | 0.1 |
| Mixed solution | y = 11.517 ln(x) + 31.74 | 0.9776 | 4.88 | 1.95~250 | – |
a
MRL value refers to the maximum residue limit allowed in the national food safety standard method GB 2763-2016 of China.