نتایج جستجو برای: organophosphate pesticides

تعداد نتایج: 22258  

Journal: :Applied sciences 2022

Corn cultivation represents the largest type of agricultural production in Mexico, with great economic, social, and cultural importance. The health corn producers could be compromised by extensive accumulated use pesticides. effects pesticides terms their cytotoxic genotoxic damage two groups peasant maize Tlaxcala, were considered here. buccal micronucleus cytome assay was used as an indicator...

Journal: یافته 2008
ghafar ali Mahmoudi , raheleh Asaee ,

Abstract Background: poisoning is one of the most common medical emergencies. Every year many people refer to emergency wards due to poisoning and some of them are treated and some die because of severe complications. Most patients who refer to emergency wards are those who commit intentionally to suicide. This study is conducted to determine the prevalence of poisoning with pesticide (organop...

Journal: :Human & experimental toxicology 2010
Amirhossein Ahmadi Nasrin Pakravan Zeynab Ghazizadeh

This descriptive and retrospective study was conducted at the poisoning ward of Imam teaching hospital, Sari, Iran, with the aim of evaluating the pattern of poisoning. Hence, the medical profiles of 2057 patients, who were admitted, were carefully reviewed during the period from April 2006 to March 2008 for 2 years. During this period, 2057 cases, 53.9% female and 46.1% male, were admitted wit...

2011
Stephanie M. Engel James Wetmur Jia Chen Chenbo Zhu Dana Boyd Barr Richard L. Canfield Mary S. Wolff

BACKGROUND Prenatal exposure to organophosphate pesticides has been shown to negatively affect child neurobehavioral development. Paraoxonase 1 (PON1) is a key enzyme in the metabolism of organophosphates. OBJECTIVE We examined the relationship between biomarkers of organophosphate exposure, PON1, and cognitive development at ages 12 and 24 months and 6-9 years. METHODS The Mount Sinai Chil...

2009
M. E. Sánchez I. B. Estrada O. Martínez A. Aller

The laboratory trial consisted in incubating samples of soil and soil treated with sewage sludge, with the application of organophosphate pesticides with different active ingredients under controlled conditions of temperature and moisture. On the basis of a previous study of the influence of the application of sludge on the degradation of pesticides in the soil, a kinetic study is included of t...

2012
Hayati Filik Sema Demirci Çekiç

Pesticides including organochlorine pesticides (OCPs), organophosphorus pesticides (OPPs), and nitrogen-containing herbicides are types of well-known environmental contaminants. Pesticides are generally categorized based upon their persistence in the environment. Organochlorine pesticides are considered persistent pesticides. These pesticides have long environmental half-lives and tend to bioac...

Journal: :Journal of economic entomology 2001
J F Brunner J E Dunley M D Doerr E H Beers

Pesticides were evaluated for their effect on two parasitoid species, Colpoclypeus flouts and Trichogramma platneri, that are potential biological control agents of leafrollers in apple orchards. Organophosphate and carbamate insecticides were highly toxic to both parasitoids in topical applications, but foliar residues of some products were nontoxic after 7 d. At reduced rates, topically appli...

2012
G. Satyavani G. Chandrasehar K. Krishna Varma A. Goparaju S. Ayyappan P. Neelakanta Reddy P. Balakrishna Murthy

In order to investigate the effect of expired pesticides on the yield and growth rate of green algae Pseudokirchneriella subcapitata, a study was conducted as per the Organisation for Economic Cooperation and Development (OECD) guideline number 201. Fifteen expired pesticide formulations, most commonly used in Indian agriculture, were tested in comparison with their unexpired counterparts. The ...

2014
John D. Beard David M. Umbach Jane A. Hoppin Marie Richards Michael C.R. Alavanja Aaron Blair Dale P. Sandler Freya Kamel

BACKGROUND Pesticide exposure may be positively associated with depression. Few previous studies have considered the episodic nature of depression or examined individual pesticides. OBJECTIVE We evaluated associations between pesticide exposure and depression among male private pesticide applicators in the Agricultural Health Study. METHODS We analyzed data for 10 pesticide classes and 50 s...

Journal: :American journal of epidemiology 2009
Katherine T Mills Aaron Blair Laura E Beane Freeman Dale P Sandler Jane A Hoppin

Acute organophosphate and carbamate pesticide poisonings result in adverse cardiac outcomes. The cardiac effects of chronic low-level pesticide exposure have not been studied. The authors analyzed self-reported lifetime use of pesticides reported at enrollment (1993-1997) and myocardial infarction mortality through 2006 and self-reported nonfatal myocardial infarction through 2003 among male pe...

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