Results 141 to 150 of about 118,277 (182)

A piezoelectric detector for organophosphorus pesticides in the air

Analytica Chimica Acta, 1974
Abstract A quartz piezoelectric crystal coated with a substrate has been used for the detection of organophosphorus pesticides via selective sorption. The crystal is incorporated in a mixer circuit to allow read-out by either an ammeter or a recorder, and is sufficiently sensitive to allow detection of organophosphorus pesticides at levels of less ...
W M, Shackelford, G G, Guilbault
openaire   +2 more sources

Polyamide Layer Chromatography of Organophosphorus Pesticides

Journal of Pharmaceutical Sciences, 1968
Thin-layer chromatographic system and spray reagents are described for rapid differentiation of 11 organophosphorus pesticides.
J T, Huang, H C, Hsiu, T B, Shih, U T, Chou, K T, Wang, C T, Cheng   +5 more
openaire   +2 more sources

Postmortem blood concentrations of organophosphorus pesticides

Forensic Science International, 2009
Cases involving acute fatalities due to ingestion of organophosphorus pesticides (OPs), such as chlorpyrifos, diazinon, malathion and parathion, are presented. Solid-phase extraction (SPE) and gas chromatography/mass spectrometry (GC/MS) were used for the analysis of OPs in postmortem blood.
Mee-Jung, Park, Sang-Whan, In, Sang-Ki, Lee, Wha-Kyung, Choi, Yoo-Sin, Park, Hee-Sun, Chung   +5 more
openaire   +2 more sources

Contact dermatitis from organophosphorus pesticides

Contact Dermatitis, 2001
Keywords: allergic contact dermatitis; organophosphorus pesticides; chlorpyriphos-methyl; fenthion; methidathion; parathion-methyl; malathion; cross-sensitivity; occupational ...
BONAMONTE, Domenico, FOTI, Caterina, Cassano N, Rigano G, Angelini G.   +4 more
openaire   +2 more sources

Toxicity of organophosphorus pesticides to Dugesia dorotocephala

Bulletin of Environmental Contamination and Toxicology, 1993
David Villar, 1'2 Mei-Hui Li, 1 and David J. Schaeffer ~ 1University of Illinois, Department of Veterinary Biosciences, 2001 South Lincoln Avenue, Urbana, Illinois 61801 USA and 2Departamento de Pharmacologia y Toxicologia, Universidad de Cordoba, Avda, Madina Azahara, 9, 14071-Cordoba ...
D, Villar, M H, Li, D J, Schaeffer
openaire   +2 more sources

Chlorination of organophosphorus pesticides in natural waters

Journal of Hazardous Materials, 2008
Unknown second-order rate constants for the reactions of three organophosphorus pesticides (chlorpyrifos, chlorfenvinfos and diazinon) with chlorine were determined in the present study, and the influence of pH and temperature was established. It was found that an increase in the pH provides a negative effect on the pesticides degradation rates ...
Juan L, Acero, F Javier, Benítez, Francisco J, Real, Manuel, González   +3 more
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Organophosphorus pesticide poisoning

The Netherlands Journal of Medicine, 2008
Self-poisoning with organophosphate pesticides is a major health problem world-wide. Through the inhibition of acetylcholinesterase, organophosphorus poisoning is characterised by the clinical picture of acute cholinergic crisis. Other manifestations are the intermediate neurotoxic syndrome and delayed polyneuropathy.In the Western world, the ...
Aardema, H., Ligtenberg, J. J. M., Peters-Polman, O. M., Tulleken, J. E., Zijlstra, J. G., Meertens, John H. J. M.   +5 more
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Contamination of honey with organophosphorus pesticides

Bulletin of Environmental Contamination and Toxicology, 1995
M A, García, M I, Fernández, M J, Melgar   +2 more
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Organophosphorus Pesticides

2018
Alfred S.Y. Chau, Allan E. Smith
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The chemistry of organophosphorus pesticides

Pesticide Biochemistry and Physiology, 1973
Christa Fest, Karl-Julius Schmidt
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