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Showing 1-30 of 78 results for "40124" within Papers
Francisco Javier Perez-Vazquez et al.
Environmental monitoring and assessment, 187(1), 4119-4119 (2014-12-07)
The aim of this study was to assess the levels of polybrominated diphenyl ethers (PBDEs), polychlorinated biphenyls (PCBs), p,p'-dichlorodiphenyltrichloroethane (DDT), p,p'-dichlorodiphenyldichloroethylene (DDE), and four heavy metals (arsenic, cadmium, lead, and mercury) in soil from the city of San Luis Potosí
Mengling Tang et al.
Environment international, 73, 208-215 (2014-08-28)
The greatest concern over DDT exposure in China arose since the early 1990s for the rising breast cancer incidence, and the cause still remains to be elucidated. An extensive survey of DDT background in agricultural soils, covered the entire region
Shemsu Ligani et al.
Bulletin of environmental contamination and toxicology, 93(5), 591-595 (2014-09-28)
In this study, the levels of DDT and its metabolite residues were determined in chewable parts of Catha edulis plants grown in the southern part of Ethiopia. The levels of p,p'-DDT and p,p'-DDE were found to be in the range
Lifang Feng et al.
Aquatic toxicology (Amsterdam, Netherlands), 149, 126-132 (2014-03-13)
Analysis of metabolic mechanisms of dichlorodiphenyltrichloroethane (DDT) accumulation and degradation in microorganisms, which could be used to reduce its hazard to higher organisms at the higher in the food chain, have not been investigated. Robust resistance to DDT (grows well
Motohiro Tomizawa et al.
Journal of medicinal chemistry, 51(14), 4213-4218 (2008-06-24)
Neonicotinoid agonists with a nitroimino or cyanoimino pharmacophore are the newest of the four most important classes of insecticides. Our studies on the nicotinic receptor structure in the neonicotinoid-bound state revealed a unique niche of about 6 A depth beyond
Henrieta Patayová et al.
Environmental science and pollution research international, 20(12), 8557-8566 (2013-05-17)
The aim of this study was to relate placental transfer, quantified by the cord to maternal serum concentration ratio (C/M), of five organochlorine pesticides (OCP) hexachlorobenzene (HCB), β-hexachlorocyclohexane (β-HCH), γ-hexachlorocyclohexane (γ-HCH) , p,p'-DDT, p,p'-DDE and 15 polychlorinated biphenyl (PCB) congeners
Qingxiang Zhou et al.
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 48(3), 191-197 (2013-01-30)
The goal of the present study was to investigate the feasibility of silicon dioxide (SiO(2)) microspheres without special modification to enrich dichlorodiphenyltrichloroethane (DDT) and its main metabolites, p,p'-dichlorodiphenyl-2,2-dichloroethylene (p,p'-DDD) and p,p'-dichlorodiphenyldichloroethylene (DDE) in combination with gas chromatography-electron-capture detection. The experimental results
Yuliya A Kazantseva et al.
Toxicology and applied pharmacology, 271(2), 137-143 (2013-05-21)
Dichlorodiphenyltrichloroethane (DDT) is a widely used organochlorine pesticide and a xenoestrogen that promotes rodent hepatomegaly and tumours. A recent study has shown significant correlation between DDT serum concentration and liver cancer incidence in humans, but the underlying mechanisms remain elusive.
Rachel M Kwiatkowska et al.
Gene, 519(1), 98-106 (2013-02-06)
With the exception of target site mutations, insecticide resistance mechanisms in the principle malaria vector Anopheles gambiae, remains largely uncharacterized in Burkina Faso. Here we detected high prevalence of resistance in Vallée du Kou (VK) to pyrethroids, DDT and dieldrin
DDT, chlordane, toxaphene and PCB residues in Newport Bay and Watershed: assessment of hazard to wildlife and human health.
James L Byard et al.
Reviews of environmental contamination and toxicology, 235, 49-168 (2014-11-08)
Li Song et al.
Toxicology letters, 229(1), 284-291 (2014-06-27)
Dichlorodiphenyltrichloroethane (DDT), an organochlorine pollutant, is associated with several types of cancer. However, the relationship between DDT and colorectal cancer is uncertain. In this study, the impact of p,p'-DDT on colorectal cancer growth was evaluated using both in vitro and
Yu Bon Man et al.
Environment international, 65, 73-82 (2014-01-30)
This study is a one of the very few investigating the dichloro-diphenyl-trichloroethanes (DDTs) (summation of o,p'-DDE, p,p'-DDE, o,p'-DDD, p,p'-DDD, o,p'-DDT, and p,p'-DDT) in multiple human matrices in mothers' milk, placenta and hair collected from residents from two coastal cities: Guiyu
Zhang Cheng et al.
Environment international, 73, 22-27 (2014-08-01)
The present study used food waste (collected from local hotels and restaurants) feed pellets in polyculture of low-trophic level fish [bighead (Aristichtys nobilis), grass carp (Ctenopharyngodon idellus), and mud carp (Cirrhina molitorella)] aiming at producing safe and quality products for
Natsuko Takakura et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 52, 153-162 (2012-11-21)
Although human populations may be constantly exposed to complex pesticide mixtures through their diet, the human health risk of pesticide exposure is currently assessed on the basis of toxicity data on individual compounds. To investigate the combined toxic effects of
Philippe Nwane et al.
Parasites & vectors, 6, 41-41 (2013-02-26)
Increasing incidence of DDT and pyrethroid resistance in Anopheles mosquitoes is seen as a limiting factor for malaria vector control. The current study aimed at an in-depth characterization of An. gambiae s.l. resistance to insecticides in Cameroon, in order to
Put DDT residues and human health in perspective.
Richard Tren et al.
Chemosphere, 114, 347-347 (2012-03-14)
Heloísa H P Oliveira et al.
Ecotoxicology and environmental safety, 96, 67-74 (2013-07-23)
In an attempt to explore complex metabolic interactions between toxicants present in polluted freshwater, hepatic metabolism of benzo(a)pyrene (BaP) and tributyltin (TBT) in fish was investigated when these compounds were administrated alone, mixed together and along with dichlorodiphenyltrichloroethane (DDT). Ten
Luisa Torres-Sánchez et al.
Ciencia & saude coletiva, 12(1), 51-60 (2007-08-08)
Based on the systematic revision of 32 articles published in PubMed-Medline until January of 2006 and using like key words DDT exposure, human, milk and Mexico; this study analyzes the situation about the exposure of difenildicloroetano (DDT) and its main
Residues, distributions, sources, and ecological risks of OCPs in the water from Lake Chaohu, China.
Wen-Xiu Liu et al.
TheScientificWorldJournal, 2012, 897697-897697 (2012-12-20)
The levels of 18 organochlorine pesticides (OCPs) in the water from Lake Chaohu were measured by a solid phase extraction-gas chromatography-mass spectrometer detector. The spatial and temporal distribution, possible sources, and potential ecological risks of the OCPs were analyzed. The
Ezra J Mrema et al.
Toxicology, 307, 74-88 (2012-12-12)
Persistent organic pollutants comprised of organic chemicals like polychlorinated biphenyls, dibenzo-p-dioxins, dibenzofurans and organochlorinated pesticides which have many characteristics in common. Once released in the environment they resist physical, biological, chemical and photochemical breakdown processes and thus persist in the
A W Garrison et al.
Environmental pollution (Barking, Essex : 1987), 194, 224-234 (2014-08-26)
In the 1950s and 60s, discharges from a DDT manufacturing plant contaminated a tributary system of the Tennessee River near Huntsville, Alabama, USA. Regulatory action resulted in declaring the area a Superfund site which required remediation and extensive monitoring. Monitoring
Marijke de Cock et al.
Environment international, 70, 15-24 (2014-06-01)
Hormonal actions and activation of receptors involved in adipogenesis and brain development during the prenatal period may be affected by exposure to certain chemicals. Experimental studies have shown that amongst others polychlorinated biphenyl (PCB)-153 and dichlorodiphenyltrichloroethane (DDT) may have obesogenic
Vera Verhaert et al.
Environment international, 59, 290-302 (2013-07-23)
The present study aimed to evaluate the occurrence of persistent organic pollutants (POPs: (PCBs, PBDEs, DDTs, HCHs, CHLs and HCB) in sediments and biota from the middle Congo River Basin (CRB) and to investigate their trophic transfer through the aquatic
Le-Huan Yu et al.
Environmental pollution (Barking, Essex : 1987), 188, 118-123 (2014-03-04)
Contamination of organohalogen pollutants (OHPs), including dichlorodiphenyl trichloroethane and its metabolites (DDTs), polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), decabromodiphenylethane (DBDPE), hexabromocyclododecanes (HBCDs), and dechlorane plus (DP) in three metropolises of China, Beijing, Wuhan, and Guangzhou, and a reference rural
Hongxuan Lu et al.
Environmental monitoring and assessment, 187(1), 4159-4159 (2014-11-26)
The concentrations and distributions of hexachlorocyclohexanes (HCHs), dichlorodiphenyltrichloroethanes (DDTs), and polychlorinated biphenyls (PCBs) in an agricultural soil core in the Guanzhong Basin, China were determined. Overall, p,p'-DDT and p,p'-DDE were dominant contaminants and accounted for approximately 48.4 and 23.3% of
Santhi Armugam Veerasingam et al.
Journal of water and health, 11(2), 311-323 (2013-05-28)
The presence of endocrine disruptors in source water is of great concern because of their suspected adverse effects on humans, even when present at very low levels. As the main source of potable water supply, rivers in Malaysia are highly
M D Chanyshev et al.
Life sciences, 103(2), 95-100 (2014-04-15)
In this study, we determined the expression level of miRNAs and the induction of CYP1A1 and CYP2B1 in the livers and ovaries of female Wistar rats treated with DDT, benzo[a]pyrene (BP), and 3-methylcholanthrene (MC). This study compared CYP1A/2B induction and
Cesilie Granum Castellanos et al.
Toxicology and applied pharmacology, 267(3), 247-255 (2013-01-22)
3-Methylsulfonyl-DDE (MeSO₂-DDE) is a potent adrenal toxicant formed from the persistent insecticide DDT. MeSO₂-DDE is widely present in human plasma, milk and fat, and in tissues of marine mammals. In the present study, we investigated endocrine-disrupting properties of MeSO₂-DDE in
Joshua C Kwekel et al.
Toxicology and applied pharmacology, 273(3), 532-541 (2013-10-08)
1,1,1-Trichloro-2,2-bis(2-chlorophenyl-4-chlorophenyl)ethane (o,p'-DDT) is an organochlorine pesticide and endocrine disruptor known to activate the estrogen receptor. Comprehensive ligand- and species-comparative dose- and time-dependent studies were conducted to systematically assess the uterine physiological, morphological and gene expression responses elicited by o,p'-DDT and
Esther Vizcaino et al.
Environment international, 65, 107-115 (2014-02-04)
Prenatal life is the most sensitive stage of human development to environmental pollutants. Early exposure to persistent organic pollutants (POPs) may increase the risk of adverse health effects during childhood. The mechanisms of transference of POPs during pregnancy are still
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