Results 21 to 30 of about 31,641 (262)

Optimization and development of SPE-HPLC-DAD method for the determination of atrazine, malathion, fenitrothion and parathion pesticide residues in apple juice

open access: yesMacedonian Journal of Chemistry and Chemical Engineering, 2013
ultraviolet–diode array detection (UV-DAD) for the simultaneous determination of atrazine, malathion, fenitrothion, and parathion residues in apple juices has been developed. For the enrichment and cleanup of compounds of interest, Supelclean ENVI-18 SPE
Lenche Velkoska-Markovska   +1 more
doaj   +1 more source

Evaluation of the mutagenic potential of propoxur and methyl parathion using polytene chromosomes of Anopheles stephensi [PDF]

open access: yes, 2012
The mutagenicity of two pesticides, propoxur and methyl parathion was evaluated by using polytene chromosomes of Anopheles stephensi. The results were based on the frequency of various structural aberrations encountered in the polytene chromosomes of the
Bhinder, Preety   +3 more
core   +2 more sources

Electrochemical Sensor for Determination of Parathion Based on Electropolymerization Poly(Safranine) Film Electrode

open access: yesInternational Journal of Electrochemistry, 2011
Parathion has been determined with voltammetric technique based on a novel sensor fabricated by electropolymerization of safranine on a glassy carbon electrode (GCE). The electrochemical behavior of poly(safranine) film electrode and its electrocatalytic
Xingyuan Liu
doaj   +1 more source

The Effects of Fenarimol and Methyl Parathion on Glucose 6-Phosphate Dehydrogenase Enzyme Activity in Rats

open access: yesTürkiye Tarımsal Araştırmalar Dergisi, 2017
Fenarimol and methyl parathion are pesticides that have been used in agriculture for several years. These pesticides have significant effects on environmental and human health. Therefore, we investigated the effects of methyl parathion and fenarimol on
Ferda ARI   +3 more
doaj   +1 more source

Degradation of Methyl Parathion, a common pesticide and fluorescence quenching of Rhodamine B, a carcinogen using β-d glucan stabilized gold nanoparticles

open access: yesJournal of Saudi Chemical Society, 2018
Natural carbohydrate polymer β-d-glucan extracted from Tricholoma crassum (Berk.) Sacc. predominantly linked by β-glycosidic bonds have been used to synthesize gold nanoparticles (Au NPs).
Sutanuka Pattanayak   +4 more
doaj   +1 more source

Chemotaxis and degradation of organophosphate compound by a novel moderately thermo-halo tolerant Pseudomonas sp. strain BUR11: evidence for possible existence of two pathways for degradation [PDF]

open access: yesPeerJ, 2015
An organophosphate (OP) degrading chemotactic bacterial strain BUR11 isolated from an agricultural field was identified as a member of Pseudomonas genus on the basis of its 16S rRNA gene sequence.
Santanu Pailan, Pradipta Saha
doaj   +2 more sources

Electrochemical Organophosphorus Pesticide Detection Using Nanostructured Gold-Modified Electrodes

open access: yesSensors, 2022
In this study, nanostructured gold was successfully prepared on a bare Au electrode using the electrochemical deposition method. Nanostructured gold provided more exposed active sites to facilitate the ion and electron transfer during the ...
Han-Wei Chang   +5 more
doaj   +1 more source

Impact of parathion exposure on some biochemical parameters in rabbit as a non target organism

open access: yesAlexandria Journal of Medicine, 2015
Background: Pesticides are widely used in order to enhance the food protection by controlling the unwanted insects and disease vectors in agriculture. Aim: The aim of this study was to investigate the impact of repeated sublethal doses (0.2 mg kg−1 day−1
Nagat Aly, Kawther El-Gendy
doaj   +1 more source

Pesticide Exposure Alters Follicle-Stimulating Hormone Levels in Mexican Agricultural Workers [PDF]

open access: yes, 2005
Organophosphorous pesticides (OPs) are suspected of altering reproductive function by reducing brain acetylcholinesterase activity and monoamine levels, thus impairing hypothalamic and/or pituitary endocrine functions and gonadal processes. Our objective
Baldi I   +12 more
core   +2 more sources

Electrochemical Process for Diazinon Removal from Aqueous Media: Design of Experiments, Optimization, and DLLME-GC-FID Method for Diazinon Determination [PDF]

open access: yes, 2015
In the present study, electrochemical process was studied via removal of diazinon (O,O-diethyl O-2-isopropyl-6-methylpyrimidin-4-yl phosphorothioate) as an insecticide/ acaricide organic case study.
Daraei, H.   +4 more
core   +1 more source

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