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34094
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关键词:'34094'
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Takamitsu Otake et al.
Journal of agricultural and food chemistry, 57(18), 8208-8212 (2009-08-26)
Brown rice powder certified reference material, NMIJ CRM 7504-a, for the analysis of pesticide residues was developed by the National Metrology Institute of Japan, part of the National Institute of Advanced Industrial Science and Technology. Brown rice sample was harvested
Kyu-Sik Chang et al.
Osong public health and research perspectives, 4(2), 76-80 (2013-10-26)
Over 20% of all malaria cases reported annually in the Republic of Korea (ROK) occur in Paju, Gyeonggi Province. Vector control for malaria management is essential, but the insecticide resistance of the vector, Anopheles mosquitoes, has been a major obstacle
Leslie Choi et al.
The Cochrane database of systematic reviews, 5, CD012688-CD012688 (2019-05-24)
Insecticide-treated nets (ITNs) and indoor residual spraying (IRS) are used to control malaria vectors. Both strategies use insecticides to kill mosquitoes that bite and rest indoors. For ITNs, the World Health Organization (WHO) only recommended pyrethroids until 2018, but mosquito
Pradya Somboon et al.
The Southeast Asian journal of tropical medicine and public health, 34(1), 87-93 (2003-09-16)
The susceptibility of Anopheles minimus s.l., Aedes aegypti, Ae. albopictus, and Culex quinquefasciatus to insecticide in northern Thailand was monitored by using the WHO standard susceptibility test. One- to two-day old female mosquitos, which were reared from wild caught females
Angela Suárez-Jacobo et al.
Food additives & contaminants. Part B, Surveillance, 10(3), 192-199 (2017-04-05)
Some international organisations established maximum residue limits (MRLs) in food to protect human health. Mexico lacks regulations in this matter, affecting national and international trade from agroindustry. The aim of this study was to diagnose pesticide residues in oranges from
Atsushi Yokoyama
Environmental toxicology and chemistry, 38(7), 1434-1445 (2019-03-19)
Although the egg of aquatic insects is one of the main life stages that can be exposed to contaminants in water, little is known about the detailed impacts of contaminants on eggs of aquatic insects. The present study aimed to
Alyssa M Piccolomini et al.
Journal of economic entomology, 111(3), 1001-1005 (2018-02-15)
Current regulatory requirements for insecticide toxicity to nontarget insects focus on the honey bee, Apis mellifera (L.; Hymenoptera: Apidae), but this species cannot represent all insect pollinator species in terms of response to insecticides. Therefore, we characterized the toxicity of
Rania Abdou et al.
The Journal of veterinary medical science, 72(4), 425-433 (2009-12-17)
Four commonly used pyrethroids (permethrin, bifenthrin, ethofenprox, and fenpropathrin) were orally administered to Sprague-Dawley rats for 5 days to study their effects on the liver cytochrome P450 (CYP) activities. Also Michaelis-Menten kinetics of the metabolic reactions catalyzed by liver CYPs
Eiki Watanabe et al.
Journal of chromatography. A, 1385, 35-41 (2015-02-11)
This paper describes a highly sensitive analytical method using high-performance liquid chromatography and fluorescence detection (HPLC-FLD) capable of quantifying trace amounts of synthetic pyrethroid insecticide etofenprox residue in six vegetable samples: bell pepper, cucumber, eggplant, Japanese mustard spinach, spinach, and
Huahua Sun et al.
Insect biochemistry and molecular biology, 118, 103292-103292 (2019-12-08)
Voltage-gated sodium channels (Nav) are essential for electrical signaling in the nervous system. They are also the primary targets of several classes of insecticides including pyrethroids. There is only one sodium channel gene in most insect species, whereas mammals possess
K Nishimura et al.
Pest management science, 57(6), 509-513 (2001-06-16)
Quaternary organosilicon pyrethroid-like ethers (five compounds) and alkanes (three compounds) were used for neurophysiological tests. Their activities in inducing repetitive firing in the central nervous cord of the American cockroach (Periplaneta americana) were evaluated by an extracellular recording method. The
Tatsuya Yoshimi et al.
Journal of biochemical and molecular toxicology, 16(1), 10-17 (2002-02-22)
Stress proteins (heat shock proteins, HSPs) have been proposed as general biomarkers for environmental monitoring. In the present study, we evaluated the environmental stress-burden on the aquatic midge Chironomus yoshimatsui using hsp70 expression. Larvae collected from streams receiving polluted runoff
Rabani Adamou et al.
Journal of fluorescence, 21(4), 1409-1415 (2011-01-12)
An analytical method based on the use of UV-irradiation to produce fluorescent derivatives from Etofenprox a non-fluorescent pyrethroid insecticide is described. The impact of cetyltrimethylammonium chloride (CTAC) micellar medium on the Etofenprox photochemically-induced fluorescence (PIF) is reported. Parameters influencing the
Jitka Stará et al.
PloS one, 14(9), e0214702-e0214702 (2019-09-21)
The cabbage stem flea beetle (CSFB), Psylliodes chrysocephala (Coleoptera: Chrysomelidae), has recently become a major pest species in winter oilseed rape in the Czech Republic. The susceptibility of CSFB populations from two localities to six pyrethroids, two neonicotinoids, one organophosphate
Committee on Pesticides and Disinfectant Formulations. Pesticide formulations: CIPAC studies. Collaborative International Pesticide Analytical Council.
Alan R Hanks
Journal of AOAC International, 85(1), 249-251 (2002-03-07)
Alexander Ccanccapa-Cartagena et al.
Analytical and bioanalytical chemistry, 409(20), 4787-4799 (2017-06-11)
A simple and environmentally friendly dispersive liquid-liquid microextraction (DLLME) method coupled with electrospray ionization liquid chromatography triple quadrupole mass spectrometry (LC-QqQ-MS/MS) was developed for the simultaneous determination of 17 synthetic and natural pyrethroids. A comparison of solid-phase extraction (SPE) versus
Guifang Jia et al.
Analytical and bioanalytical chemistry, 384(6), 1423-1427 (2006-02-24)
A method is described for determination of residues of the insecticide Etofenprox in environmental samples. Anionic surfactant micelle-mediated extraction (coacervation extraction) was evaluated for isolation of Etofenprox before HPLC. The optimum conditions used for extraction included: 0.09 g sodium dodecanesulfonate
Kyu-Sik Chang et al.
Journal of medical entomology, 51(4), 804-810 (2014-08-15)
An assessment was made of the toxicity of 12 insecticides and three essential oils as well as Bacillus thuringiensis subsp. israelensis (Bti) alone or in combination with the oil major constituents (E)-anethole (AN), (E) -cinnamaldehyde (CA), and eugenol (EU; 1:1
Determination of Etofenprox in environmental samples by HPLC after anionic surfactant micelle-mediated extraction (coacervation extraction)
Jia G, et al.
Analytical and Bioanalytical Chemistry, 384, 1423-1427 (2006)
Xinya Liu et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1140, 121995-121995 (2020-02-15)
In this study, low-density deep eutectic solvent combined with dispersive liquid-liquid microextraction was applied to the extraction of five benzoylurea insecticides (BUs, including diflubenzuron, triflumuron, hexaflumuron, flufenoxuron, and chlorfluazuron) from beverages. Then the extracted and concentrated samples were analyzed and
Y Takada et al.
Journal of economic entomology, 94(6), 1340-1343 (2002-01-05)
The toxicity of six insecticides, acephate, methomyl, ethofenprox, cartap, chlorfluazuron, and Bacillus thuringiensis (Bt) was tested on different developmental stages of the egg parasitoid, Trichogramma dendrolimi (Matsumura). Each of the insecticides tested showed different degrees of toxicity to the parasitoid
Toxicity of the insecticide etofenprox to three life stages of the grass shrimp, Palaemonetes pugio.
Marie E DeLorenzo et al.
Archives of environmental contamination and toxicology, 58(4), 985-990 (2010-03-20)
Opportunities for environmental contamination by the insecticide etofenprox are increasing as its uses expand from primarily indoor residential to rice cultivation and mosquito control. To provide toxicity data for sensitive saltwater species, effects of etofenprox were assessed using three life
Soil and glass surface photodegradation of etofenprox under simulated California rice growing conditions
Vasquez M, et al.
Journal of Agricultural and Food Chemistry, 59, 7874-7881 (2011)
Farag Malhat et al.
Bulletin of environmental contamination and toxicology, 88(6), 891-893 (2012-04-06)
Etofenprox residues were estimated by employing standardized QuEChERS technique in tomato following one application of Trebon(®) 20 % EC. The average recoveries of etofenprox on tomato for fortification levels 0.01, 0.1 and 0.5 mg/kg were observed to be 87.5 %
T Jeyalakshmi et al.
Indian journal of experimental biology, 50(6), 439-442 (2012-06-28)
Five insecticides (Bifenthrin, Deltamethrin, Etofenprox, Permethrin and Lamda cyhalothrin) recommended by WHO, at their recommended dose were compared for their efficacy and wash resistance through bioassay against mosquito vectors, Culex quinquefasciatus, Aedes aegypti and Anopheles stephensi. Etofenprox treated nettings exhibited
Idalyd Fonseca-González et al.
Pest management science, 67(4), 430-437 (2011-03-12)
To evaluate the insecticide susceptibility status of Aedes aegypti (L.) in Colombia, and as part of the National Network of Insecticide Resistance Surveillance, 12 mosquito populations were assessed for resistance to pyrethroids, organophosphates and DDT. Bioassays were performed using WHO
Francisco Sánchez-Bayo et al.
Ecotoxicology (London, England), 21(3), 667-680 (2011-11-29)
Assessment of ecological impacts of toxicants relies currently on extrapolation of effects observed at organismal or population levels. The uncertainty inherent to such extrapolations, together with the impossibility of predicting ecological effects of chemical mixtures, can only be resolved by
Yuri Hojo et al.
The Journal of toxicological sciences, 37(2), 297-306 (2012-04-03)
To investigate the liver tumor-promoting effects of etofenprox (ETF), a pyrethroid-like insecticide, 6 week-old male F344 rats were given an intraperitoneal injection of N-diethylnitrosamine (DEN). After 2 weeks from the DEN treatment, 12 rats per group received a powdered diet
Dae-Hyun Yoo et al.
Journal of insect science (Online), 13, 2-2 (2013-07-25)
The toxicities of 10 insecticides were examined against late third instar Culex tritaeniorhynchus Giles (Diptera: Culicidae) using the direct-contact mortality bioassay. Six geospatially-distant field mosquitoes were collected from Chuncheon-si, Hwaseong, Seosan. Jeonju, Daegu, and Busan in the Republic of Korea.
Martice E Vasquez et al.
Pest management science, 66(1), 28-34 (2009-08-18)
The pyrethroid insecticide etofenprox is of current interest to rice farmers in the Sacramento Valley owing to its effectiveness against the rice water weevil, Lissorhoptrus oryzophilus Kuschel. This study aimed to describe the partitioning of etofenprox under simulated rice field
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