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Residue Analysis and Dietary Risk Assessment of 10 Neonicotinoid Insecticides in from Hainan Province of China.
Foods
December 2024
Key Laboratory of Tropical Fruits and Vegetables Quality and Safety, State Administration for Market Regulation, Hainan Academy of Inspection and Testing, Haikou 571199, China.
In this study, residues of 10 neonicotinoid insecticides were tested with 143 fresh samples of using the QuEChERS method combined with UPLC-MS/MS. Based on the residue results, the point estimation method was used to assess dietary risks for adults and children, and the cumulative risk was assessed according to the hazard index () and relative potency factor () methods. The results showed that 71 out of 143 samples of fresh sold in Hainan tested positive for neonicotinoid insecticides, with a detection rate of 49.
View Article and Find Full Text PDFImproving Sphenophorus levis Adult Mortality Through Solid Insecticide Applications and Increased Insecticide Dose.
Neotrop Entomol
December 2024
Instituto Biológico, São Paulo, SP, Brazil.
The sugarcane weevil (Sphenophorus levis Vaurie, 1978) is currently considered the most important sugarcane pest in Brazil, causing significant yield losses. Application methods of insecticides for S. levis control have not been effective, mostly due to the insect's cryptic behavior below the soil surface which suppresses the correct placement of insecticide active ingredients on target.
View Article and Find Full Text PDFIn vivo tracing of cyromazine and three neonicotinoids in cowpea under field conditions by solid-phase microextraction combined with ultra-performance liquid chromatography-tandem mass spectrometry.
Anal Chim Acta
July 2024
Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences, Hainan, 571101, China. Electronic address:
Background: Excessive pesticide residues in agricultural products could accumulate in organisms through the food chain, causing potential harm to human health. The investigation of dissipation kinetics and residues of pesticides in crops is crucial for the scientific application of pesticides and the mitigation of their adverse effects on human health. In vivo solid-phase microextraction (in vivo SPME) has unique advantages, but the research on field plants is still lacking and the quantitative correction methods need to be further developed.
View Article and Find Full Text PDFThymol's modulation of cellular macromolecules, oxidative stress, DNA damage, and NF-kB/caspase-3 signaling in the liver of imidacloprid-exposed rats.
Environ Toxicol Pharmacol
August 2024
Department of Forensic Medicine and Clinical Toxicology, Faculty of medicine, Al-Azhar University, Cairo, Egypt.
We evaluated whether thymol (THY) (30 mg/kg b.wt) could relieve the adverse effects of the neonicotinoid insecticide imidacloprid (IMD) (22.5 mg/kg b.
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