Results 81 to 90 of about 1,900 (176)

Hemoglobin Levels Modulate Nitrite Toxicity to Daphnia magna

Scientific Reports, 2018
Nitrogenous compounds enter the environment through various anthropogenic sources. Among these are nitrate (NO3 −) and nitrite (NO2 −) which can oxidize the heme moiety of hemoglobin and reduce the oxygen-carrying capacity of the molecule resulting in ...
Stephanie A. Eytcheson, Gerald A. LeBlanc   +1 more
doaj   +1 more source

Performance of reproductive system of Dichelops melacanthus (Hemiptera: Pentatomidae) subjected to buprofezin and pyriproxyfen: morphological analysis of ovarioles and testes

Semina: Ciências Agrárias, 2017
The use of insecticides known as insect growth regulators, which are considered more selective to natural enemies, may be an alternative to integrated pest management of stink bugs of the main crops in Brazil.
Paulo Sérgio Gimenez Cremonez, Daniela de Oliveira Pinheiro, Ângela Maria Ferreira Falleiros, Pedro Manuel Oliveira Janeiro Neves   +3 more
doaj   +1 more source

Effects of pyriproxyfen and imidacloprid on mortality and reproduction of Menochilus sexmaculatus (Coleoptera: Coccinellidae), predator of Agonoscena pistaciae

Journal of Crop Protection, 2016
The effect of two insecticides, imidacloprid and pyriproxyfen, were investigated on some biological parameters of ladybird beetle Menochilus sexmaculatus (F.) (Coleoptera: Coccinellidae) under laboratory condition.
Mahsa Nazari, Shahnaz Shahidi Noghabi, Kamran Mahdian   +2 more
doaj  

Three Different Spectrophotometric Methods for Simultaneous Determination of Pyriproxyfen and Chlorothalonil Residues in Cucumber and Cabbage Samples

Journal of Spectroscopy, 2019
In this study, three simple and accurate spectrophotometric methods for simultaneous determination of pyriproxyfen and chlorothalonil residues in cucumbers and cabbages grown in experimental greenhouse were studied. The first method was based on the zero-
Shilan A. Omer, Nabil A. Fakhre
doaj   +1 more source

Pyriproxyfen for the Control of Australian Salt-Marsh Mosquito, Aedes vigilax

Journal of the American Mosquito Control Association, 2012
The efficacy of pyriproxyfen against the Australian salt-marsh mosquito, Aedes vigilax, was examined in 2 laboratory and 1 semi-field study using both technical grade and formulated products. In a dose-response study, the median emergence inhibition (EI50) and EI95 values were determined to be 0.019 and 0.076 ppb, respectively, for pyriproxyfen ...
Garry, Webb, Peter, Miller, Bryce, Peters   +2 more
openaire   +2 more sources

Pyriproxyfen Contamination in Daphnia magna: Identifying Early Warning Biomarkers

Journal of Xenobiotics
Pyriproxyfen is an insecticide currently employed in numerous countries for the management of agricultural and indoor pests. Several studies indicate that this insecticide has been detected in multiple rivers, with concentrations reaching as high as 99.59 ng/L in the Júcar River in Spain.
Beatriz Salesa, Javier Torres-Gavilá, María Dolores Ferrando-Rodrigo, Encarnación Sancho   +3 more
openaire   +5 more sources

A24 Metabolism of pyriproxyfen in the housefly

Medical Entomology and Zoology, 1997
Y. Takada, M. Takahashi, H. Kawada, M. Hirano   +3 more
openaire   +2 more sources

Determination of D-Cyphenothrin and Pyriproxyfen residuals in blood serum and eggs of laying hens after their external treatment with an insectoacaricide aqueous emulsion

Российский паразитологический журнал
The purpose of the research is to determine D-cyphenothrin and Pyriproxyfen residuals in blood serum and eggs of laying hens before and after their external treatment with an aqueous emulsion of insectoacaricide D-Cyphenothrin Combo.Materials and methods.
E. N. Indyuhova, M. V. Arisov, A. V. Balyshev   +2 more
doaj   +1 more source

Acute toxicity of a combined fipronil and pyriproxyfen shampoo

Russian Journal of Parasitology
The purpose of the research is to study the acute oral and dermal toxicity of a veterinary drug (fipronil, pyriproxyfen) in mice and rats.Materials and methods. The studies were performed according to the Methodical Guidelines of the State Pharmacological Committee in the vivarium of the VNIIP – FSC VIEV from February to April 2021.
openaire   +2 more sources

Semifield evaluation of autodissemination systems in Aedes notoscriptus and Culex quinquefasciatus and laboratory analysis of In2Care formulation effects. [PDF]

J Med Entomol
Paris V, Bell N, Hoffmann AA.
europepmc   +1 more source