| OPPs | Organophosphorous pesticides |
| IgG | immunoglobulin G |
| mAb | monoclonal antibody |
| scFv | single-chain variable fragment |
| VH, VL | variable heavy region, variable light region |
| CDRs | complementarity-determining regions |
| SOE-PCR | splicing by overlap extension polymerase chain reaction |
| IMAC | immobilized metal ion affinity chromatography |
| ic-ELISA | indirect competitive enzyme-linked immunosorbent assay |
| SPR | surface plasmon resonance |
| CV | coefficient of variation |