نتایج جستجو برای: dichlorvos

تعداد نتایج: 386  

Journal: :Revue d’élevage et de médecine vétérinaire des pays tropicaux 1979

Journal: :GSC biological and pharmaceutical sciences 2021

Introduction: Pesticide poisoning is a serious public health concern all over the world. Alternative therapies for organophosphorus are being explored, and this could be very useful especially in emergency situations of antidote shortages. This study therefore set out to determine effects chlorpheniramine on kidney liver function dichlorvos poisoning. Methodology: Chlorpheniramine (2mg/kg, 4mg/...

Journal: :Biotechnology progress 1999
Rogers Wang Mulchandani Chen

We report a rapid and versatile organophosphorus hydrolase (OPH)-based method for measurement of organophosphates. This assay is based on a substrate-dependent change in pH at the local vicinity of the enzyme. The pH change is monitored using fluorescein isothiocyanate (FITC), which is covalently immobilized to the enzyme. This method employs the use of poly(methyl methacrylate) beads to which ...

Journal: :Veterinary research 2002
Jean-Pierre Lumaret Faiek Errouissi

The overall purpose ofthis paperwas to review the major and most recent literature relating the effects of anthelmintics on dung breeding invertebrates and dung degradation. Faecal residues or metabolites of drugs belonging to the benzimidazole and levamisole/morantel groups are relatively harmless to dung fauna, on the contrary to other anthelmintics such as coumaphos, dichlorvos, phenothiazin...

Journal: :Arquivos de neuro-psiquiatria 2002
Luiz Felipe R Vasconcellos Ana Cláudia Leite Osvaldo J M Nascimento

Organophosphate induced delayed neuropathy (OPIDN) is an uncommon clinical condition. It occurs in association with the ingestion of great amounts of organophosphate after the stimulation of cholinergic receptor. The clinical picture is characterized by a distal paresis in lower limbs associated with sensitive symptoms. Electrodiagnostic studies show a motor axonal neuropathy. Involvement of th...

2010
Xia Sun Xiangyou Wang Wenping Zhao Shuyuan Du Qingqing Li Xiangbo Han

In this study, multi-walled carbon nanotubes (MWCNTs), gold nanoparticles (GNPs) and Prussian Blue (PB) were used for modifying glassy carbon working electrode (GCE) to construct acetylcholinesterase (AChE) biosensor respectively. Chitosan membrane was used for immobilizing AChE through glutaraldehyde cross-linking attachment to recognize pesticides selectively. Before the detection, the enzyme...

2014
Breno Cayeiro Cruz Welber Daniel Zanetti Lopes Willian Giquelin Maciel Gustavo Felipelli Weslen Fabricio Pires Teixeira Flavia Carolina Favero Luciana Prando Carolina Buzzulini Vando Edesio Sorares Lucas Vinicius Costa Gomes Murilo Abud Bichuette Alvimar José da Costa

The number of studies emphasizing the possible damage that acaricidal spray formulations can cause on engorged female ticks’ reproductive parameters is small. The present study evaluated the deleterious effects of a spray formulation (dichlorvos 60% + chlorpyrifos 20%) on the reproductive parameters of a susceptible population of Rhipicephalus (B.) microplus females, using the Stall Test. The t...

2011
Ashraf S. Alias Muna H.I. Al-Zubaidy Yaareb J. Mousa Fouad K. Mohammad

Plasma and brain cholinesterase activities were determined in three wild bird species to assess their exposure to organophosphate and carbamate insecticides which are used in agriculture and public health. In the present study, we used an electrometric method for measurement of cholinesterase activities in the plasma and whole brain of three indigenous wild birds commonly found in northern Iraq...

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