Distinctive effects of nano-sized permethrin in the environment

Pesticides are an essential tool in integrated pest management. Nanopermethrin was prepared by solvent evaporation from an oil-in-water volatile microemulsion. The efficacy of the formulated nanopermethrin was tested against Aedes aegypti and the results compared to those of regular, microparticular...

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Bibliographic Details
Published in:Environmental science and pollution research international 2013-04, Vol.20 (4), p.2593-2602
Main Authors: Suresh Kumar, R. S., Shiny, P. J., Anjali, C. H., Jerobin, Jayakumar, Goshen, Katrin Margulis, Magdassi, Shlomo, Mukherjee, Amitava, Chandrasekaran, N.
Format: Article
Language:English
Subjects:
Aedes
Aedes aegypti
Agriculture
Allium cepa
Animals
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Bacillus subtilis
Bacillus subtilis - drug effects
Cucumis sativus
Cucumis sativus - drug effects
E coli
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Environmental impact
Escherichia coli
Escherichia coli - drug effects
Food supply
Gram-positive bacteria
Insecticides - chemistry
Insecticides - toxicity
Laboratories
Larva
Lethal Dose 50
Lycopersicon esculentum - drug effects
Microemulsions
Microscopy, Electron, Transmission
Mitotic Index
Mutagenicity Tests
Nanomaterials
Nanoparticles
Nanoparticles - chemistry
Nanoparticles - toxicity
Nanotechnology
Onions - drug effects
Permethrin - chemistry
Permethrin - toxicity
Pest control
Pesticides
Phytotoxicity
Plant Roots - drug effects
Research Article
Seeds - drug effects
Studies
Toxicity
Transmission electron microscopy
Waste Water Technology
Water Management
Water Pollution Control
Zea mays
Zea mays - drug effects
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Summary:Pesticides are an essential tool in integrated pest management. Nanopermethrin was prepared by solvent evaporation from an oil-in-water volatile microemulsion. The efficacy of the formulated nanopermethrin was tested against Aedes aegypti and the results compared to those of regular, microparticular permethrin. The 24 h LC 50 for nanopermethrin and permethrin was found to be 0.0063 and 0.0199 mg/L, respectively. The formulated nanopermethrin was tested for toxicity against non-target organisms. Nanopermethrin did not show antibacterial activity against Escherichia coli (ATCC 13534 and 25922) or against Bacillus subtilis . Phytotoxicity studies of nanopermethrin to the seeds of Lycopersicum esculentum , Cucumis sativus , and Zea mays showed no restraint in root length and germination percentage. In the Allium cepa test, regular microparticular permethrin treatment of 0.13 mg/L showed a mitotic index (MI) of 46.8 % and chromosomal aberration of 0.6 %, which was statistically significant ( p  
ISSN:0944-1344
1614-7499
DOI:10.1007/s11356-012-1161-0