Research Progress in Rapid Detection Technologies of Neonicotinoid Pesticide Residues in Agricultural Products

Abstract:

Neonicotinoid pesticides (NEOs) are widely used in global agricultural production because of their high efficiency, broad spectra, low toxicity, and low residues. However, improper use of NEOs will cause environmental pollution and pose a serious threat to human health. Therefore, developing new rapid detection technologies with field applicability and high throughput has become the focus of current research. The author reviewed the principles, advantages, and limitations of rapid detection technologies of neonicotinoid pesticide residues, and introduced in detail enzyme-linked immunosorbent assay, fluorescence immunoassay, immunochromatography, surface plasma resonance (SPR), surface-enhanced Raman scattering (SERS), fluorescence resonance energy transfer (FRET), molecular imprinting (MIT), and electrochemical sensors based on metal-organic frameworks (MOTs) and nanomaterials in the detection of neonicotinoid pesticide residues in agricultural products. With high sensitivity and high selectivity, the pesticide residue detection technologies represented by immunoassay, optical analysis, and electrochemical detection demonstrate great potential for the rapid detection of trace neonicotinoid pesticide residues, while they still have certain limitations in terms of detection limits, sensitivity, matrix treatment, etc. In the future practical testing, attention should be paid to the innovation and optimization in matrix effect elimination, intelligence and automation, and multi-functional integration.