نتایج جستجو برای: organophosphates

تعداد نتایج: 6926  

Journal: :asia pacific journal of medical toxicology 0
tesemma sileshi chala department of pharmacy, school of medicine and health sciences, ambo university, ambo, ethiopia hailemikail gebramariam department of pharmacy, school of medicine and health sciences, ambo university, ambo, ethiopia mohammed hussen department of pharmacy, school of medicine and health sciences, ambo university, ambo, ethiopia

background: research on poisoning epidemiology in different regions is highly important for evidence-informed health planning. the present study was conducted with the aim of evaluating the two-year epidemiologic pattern of acute poisoning cases treated at adama hospital medical college (ahmc) in adama, ethiopia. methods: in this retrospective descriptive study, medical records of emergency dep...

2007
Thorvald Staaf

In this thesis methods concerning sampling and analysis of organophosphorus triesters in indoor environments are investigated. Organophosphate esters are widely used as plasticizers and flame-retardants in plastic materials, which in turn are extensively used in all indoor environments. The organophosphates are ubiquitous indoor pollutants and humans will consequently be exposed to them. Some o...

Journal: :Biotechnology progress 2005
Yu Lei Ashok Mulchandani Wilfred Chen

Pseudomonas putida JS444, isolated from p-nitrophenol (PNP) contaminated waste sites, was genetically engineered to simultaneously degrade organophosphorus pesticides (OP) and PNP. A surface anchor system derived from the ice-nucleation protein (INP) from Pseudomonas syringae was used to target the organophosphorus hydrolase (OPH) onto the surface of Pseudomonas putida JS444, reducing the poten...

Journal: :Indian journal of experimental biology 2006
Mohan Singh Rajat Sandhir Ravi Kiran

Erythrocytes are excellent models for the study of interactions of xenobiotics with biomembranes. Present work is designed to study the in vitro effects of some organophosphates (ethion, chlorpyrifos, dimethoate and monocrotophos) on rat erythrocytes. Treatment of erythrocytes with organophosphates resulted in decreased erythrocyte glucose-6-phosphate dehydrogenase (G-6-PD) activity, whereas ac...

Journal: :Environmental Health Perspectives 1976
V H Freed R Haque D Schmedding R Kohnert

Organophosphates in increasing amounts and wider varieties of molecular structure are being used to replace the organochlorine pesticides. It has been assumed that the organophosphates as a class would have a minimal chronic toxicity due to rapid hydrolysis and an unfavorable partitioning as regards to lipids. The physicochemical properties of a number of representative organophosphates were de...

Journal: :Occupational and environmental medicine 1996
J R Beach A Spurgeon R Stephens T Heafield I A Calvert L S Levy J M Harrington

OBJECTIVES Organophosphates are effective pesticides which are frequently used in several agricultural settings. Although their acute effects are well characterised, it remains unclear whether long term exposure can damage the human nervous system. This study sought to investigate their long term effects by comparing abnormalities on neurological examination between groups of workers exposed to...

Journal: :International Journal of Mosquito Research 2023

Japanese encephalitis (JE) is a mosquito-borne viral disease and several species of the Culex genera can transmit JE. The present study was conducted to observe resistance in Cx. vishnui subgroup against organophosphates, widely used fogging controlling 12 localities Dibrugarh Tinsukia districts Assam, endemic for Susceptibility tests performed revealed both pseudovishnui tritaeniorhynchus were...

Journal: :Investigative ophthalmology & visual science 2017
Vincent Migneron-Foisy Maryse F Bouchard Ellen E Freeman Dave Saint-Amour

Purpose Previous research suggests that exposure to pesticides might be associated with human myopia, although data were obtained only from highly exposed individuals. The present study aimed to assess whether exposure to organophosphates and pyrethroids in the United States general population was associated with the prevalence of myopia. Methods Data were obtained from the National Health an...

Journal: :applied biotechnology reports 0
safar ali ahmadizad firozjaei ali mohammad latifi samaneh khodi shamsozzoha abolmaali ali choopani

daily, organophosphorus compounds (ops) in human life, has found wide applications. although ops have biodegradability potential, they induce clinical problems in humans and other organism. different methods are used to detoxify these compounds. in the meantime, biodegradation is preferred as a compatible way to the environment since it produces less toxic compounds. enzymes capable to degrade ...

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