Results 41 to 50 of about 9,193 (209)

Pesticide Residues in Some Salted Fish [PDF]

Benha Veterinary Medical Journal, 2015
A total of 90 random samples of salted fish products represented by salted sardine, salted Mugil cephalus(fesiekh) and salted Hydrocynus froskahlii (Mellouha) (30 of each) were collected from differentsupermarkets at El-Kalyoubia governorate.
Saad M., Eman Mostafa, Enas Hassan, Amani Salem, Edris M.   +4 more
doaj   +1 more source

Organic and Inorganic Pollutants, Oxidative Stress Biomarkers, and Electrophoretic Protein Profiles in an Endangered Thresher Shark (Alopias vulpinus) From Southeastern Brazil: A Case Study

Environmental Toxicology, Volume 41, Issue 10, Page 833-848, October 2026.
ABSTRACT A comprehensive screening of different environmental contaminants (total metals, thermostable metal fractions associated with detoxification, and persistent organic pollutants) was conducted in an endangered common thresher shark (Alopias vulpinus ) individual incidentally captured in southeastern Brazil.
Sidney Fernandes Sales Junior, Amanda Pontes Lopes, Heloíse Martins de Souza, Regina Fonseca, Enrico Mendes Saggioro, Francielli Monteiro Casanova, Kamila Cezar Gramlich, Tatiana Dillenburg Saint'Pierre, Carlos German Massone, Renato Carreira, Rachel Ann Hauser‐Davis   +10 more
wiley   +1 more source

Effects of Tributyltin Chloride on Human Neuronal Differentiation and Mice Brain Development

Environmental Toxicology, Volume 41, Issue 10, Page 906-921, October 2026.
ABSTRACT According to the developmental origins of health and disease hypothesis, perinatal exposure to an environmental toxicant during the development of the nervous system could cause a permanent cellular modification that may promote the appearance of neurodegenerative diseases at an older age.
Ester López‐Gallardo, Patricia Meade, Irene Jiménez‐Salvador, Carmen Hernández‐Ainsa, Eldris Iglesias, Alba Pesini, Nuria Garrido‐Pérez, Sonia Emperador, David Pacheu‐Grau, Pilar Bayona‐Bafaluy, Eduardo Ruiz‐Pesini   +10 more
wiley   +1 more source

Effect of Dieldrin Exposure on Detour Behavior in Sheep

, 1968
Two experiments were conducted to investigate the effect of a chlorinated hydrocarbon insecticide (dieldrin) on detour behavior in sheep. The visibility of the goal object and its distance behind the barrier were also studied.
G. A. Van Gelder, W. B. Buck, G. G. Karas, B. E. Sandler   +3 more
core   +1 more source

Guidance on default values and uncertainty factors to be used by the EFSA Scientific Committee, Scientific Panels and Units in the absence of actual measured data

EFSA Journal, Volume 24, Issue 10, October 2026.
Abstract The European Food Safety Authority (EFSA) has updated its 2012 guidance on selected default values (DVs) to be used by the EFSA Scientific Committee (SC), Scientific Panels and Units in the absence of actual measured data. DVs are meant to be typical values, being not necessarily conservative, while uncertainty factors (UFs) tend to be ...
EFSA Scientific Committee (SC), Susanne Hougaard Bennekou, Ana Allende, Angela Bearth, Josep Casacuberta, Laurence Castle, Tamara Coja, Amélie Crépet, Thorhallur Halldorsson, Laurentius (Ron) Hoogenboom, Pikka Jokelainen, Helle Knutsen, Claude Lambré, Søren Nielsen, Dominique Turck, Antonio Vicent Civera, Roberto Edoardo Villa, Holger Zorn, Kyriaki Machera, Josef Schlatter, Maria Anastassiadou, Dayana Buzle, Agnès De Sesmaisons‐Lecarrè, Jean‐Lou Dorne, Petra Gergelová   +24 more
wiley   +1 more source

Cuantificación de tres pesticidas COP en agua por el método de HPLC-UV

Revista Científica y Tecnológica UPSE, 2018
Fue validado un método de HPLC-UV-visible para la determinación de los pesticidas Aldrin, 4,4´-DDT y Dieldrin en agua. Para ello se empleó una columna C18 en fase reversa, una fase móvil que consistió en una mezcla acetonitrilo/agua, (v/v = 85:15) a una ...
Katya Reategui Palomino, Bernardo Leal Carrasco   +1 more
doaj   +1 more source

Multi-residue Analysis of Organochlorine Pesticides in Cocoa Beans (Theobroma cacao) and Soils from Ondo, Nigeria

Pakistan Journal of Analytical & Environmental Chemistry, 2020
Organochlorine pesticides (OCPs) residues were determined in a total of 160 samples comprising of cocoa beans and soil collected from four major cocoa farms in Ondo, Nigeria.
Ihedioha Janefrances N, Ejalonibu Murtala A, Ekere Nwachukwu R   +2 more
doaj   +1 more source

Chronic Paraquat Neurotoxicity and Dopaminergic Degeneration: A Mechanistic Review

Chemistry &Biodiversity, Volume 23, Issue 9, September 2026.
Occurrence of Parkinson's disease (PD) based on several neurotoxins. Advanced and comprehensive mechanisms based on Paraquat‐induced PD. Mechanism of oxidative stress, ROS and RNS formation, and death of dopaminergic neurons. The modulation of genes and proteins by paraquat leads to Parkinsonism.
Saima Riaz, Shaukat Ali, Muhammad Summer, Amina Iqbal, Rimsha Ashraf, Ramzana Bibi   +5 more
wiley   +1 more source

Oxidative stress in honey bees (Apis mellifera) and small carpenter bees (Ceratina calcarata) across different landscapes

Physiological Entomology, Volume 51, Issue 3, Page 526-536, September 2026.
First comparative study in oxidative stress between wild bees and managed bees. Bees collected from organic landscapes exhibited the lowest OX levels. Pesticide profiles were different among landscapes. Abstract Oxidative stress (OX) is a state of imbalance between antioxidants and reactive oxygen species, which are the byproducts of oxidative ...
Keiana Briscoe, Mia Byarlay, Rameshwor Pudasaini, Reed Johnson, Sandra Rehan, Hongmei Li‐Byarlay   +5 more
wiley   +1 more source

Effects of Dieldrin on Reproduction of Penned Hen Pheasants [PDF]

, 1967
Pen studies to determine the effects of dieldrin on reproduction of the hen pheasant were conducted for two breeding seasons, Hen pheasants were caged individually and administered encapsulated dieldrin at weekly intervals.
Atkins, Thomas Donald
core