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The impact of solvents on the toxicity of the banned parathion insecticide.
Chem Biol Interact
September 2023
IIT Research Institute, Chicago, IL, 60616, USA.
The aerial crop dusting and spraying of fields with the phosphorothioate insecticide parathion in the late 1900s, significantly improved crop yields but resulted in high levels of occupational toxicity in handlers and agricultural workers, as well as cases of intentional self-harm poisoning, culminating in its banning in many western countries by early 2000s. However because of the low solubility and volatility of parathion, most available products were formulated using organic solvents e.g.
View Article and Find Full Text PDFRecombinant organophosphorus hydrolase (OPH) expression in E. coli for the effective detection of organophosphate pesticides.
Protein Expr Purif
October 2021
Discipline of Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, Simrol, Khandwa Road, Indore, 453552, India. Electronic address:
Accumulation and exposure of organophosphate pesticides are of great concern today owing to their abundant usage and potential health hazards. Harmful effects of organophosphate pesticide exposure and limitations of the available treatment methods necessitate the development of reliable, selective, cost-effective, and sensitive methods of detection. We developed a novel biosensor based on the enzymatic action of recombinant organophosphorus hydrolase (OPH) expressed in E.
View Article and Find Full Text PDFImpact of pesticide polarity and lipid phase dimensions on the bioaccessibility of pesticides in agricultural produce consumed with model fatty foods.
Food Funct
July 2020
Department of Food Science, University of Massachusetts Amherst, Amherst, MA 01003, USA. and Laboratory for Environmental Health NanoScience, Center for Nanotechnology and Nanotoxicology, T. H. Chan School of Public Health, Harvard University, 665 Huntington Avenue, Boston, MA 02115, USA.
Article Synopsis
- Pesticide residues in agricultural products pose health risks, influenced by the types of foods consumed alongside them and their structure.
- The study investigated how different sizes of lipid phases in fatty foods affect the bioaccessibility of various pesticides mixed with tomato puree.
- Findings revealed that the bioaccessibility of pesticides varies based on their hydrophobicity and the size of lipid droplets, with less hydrophobic pesticides showing high bioaccessibility regardless of droplet size and more hydrophobic ones showing increased bioaccessibility with smaller droplets.
Impact of Pesticide Type and Emulsion Fat Content on the Bioaccessibility of Pesticides in Natural Products.
Molecules
March 2020
Department of Food Science, University of Massachusetts Amherst, Amherst, MA 01003, USA.
Article Synopsis
- Researchers are exploring the use of nanoemulsions in foods and beverages for their potential benefits, including enhancing the absorption of helpful nutrients from fruits and vegetables.
- The study focused on how these nanoemulsions could also increase the absorption of harmful substances, particularly pesticides, using tomatoes treated with different pesticides as a case study.
- Results showed that the impact of nanoemulsions on pesticide absorption varied, with more hydrophobic pesticides absorbing better when oil content in the nanoemulsions increased, raising concerns about their use in food products containing pesticides.
Sono-coprecipitation synthesis of ZnO/CuO nanophotocatalyst for removal of parathion from wastewater.
Environ Sci Pollut Res Int
April 2020
Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
Semiconductor photocatalysis is an effective method used to degrade organophosphorus compounds. Here, the potential of a commonly mixed oxide semiconductor, ZnO/CuO, has been examined to degrade methyl parathion. Sono-coprecipitation method was used to provide ZnO/CuO nanocomposites, and it was applied to photocatalytic and sono-photocatalytic degradation of methyl parathion under solar light irradiation.
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