Aquatic photochemistry of chlorinated triclosan derivatives: potential source of polychlorodibenzo-p-dioxins.

abstract：:The reference method for the Canada-wide standard (CWS) for petroleum hydrocarbons (PHCs) in soil provides laboratories with methods for generating accurate and reproducible soil analysis results. The CWS PHC tier 1 generic soil-quality guidelines apply to 4 carbon ranges/fractions: F1 (C6-C10), F2 (C10-C16), F3 (C16-...

journal_title：Environmental toxicology and chemistry

authors： Kelly-Hooper F,Farwell AJ,Pike G,Kennedy J,Wang Z,Grunsky EC,Dixon DG

更新日期：2014-08-01 00:00:00

abstract：:Per- and polyfluoroalkyl substances (PFAS) often occur together as contamination in exposure media such as drinking water or food. The relative potency factor (RPF) methodology facilitates the risk assessment of mixture exposure. A database of liver endpoints was established for 16 PFAS, using data with the same speci...

journal_title：Environmental toxicology and chemistry

authors： Bil W,Zeilmaker M,Fragki S,Lijzen J,Verbruggen E,Bokkers B

更新日期：2020-07-30 00:00:00

abstract：:Bromoxynil (3,5-dibromo-4-hydroxybenzonitrile) is a halogenated aromatic nitrile herbicide used on a variety of crops for the postemergence control of annual broad-leaved weeds. The anaerobic biodegradability of bromoxynil and its aerobic transformation product, 3,5-dibromo-4-hydroxybenzoate, were examined in enrichme...

journal_title：Environmental toxicology and chemistry

authors： Knight VK,Berman MH,Häggblom MM

更新日期：2003-03-01 00:00:00

abstract：:Inorganic fluorides were declared toxic under the Canadian Environmental Protection Act in 1993 based on their potential to cause long-term harmful effects in aquatic and terrestrial ecosystems, but information on the toxicity of sediment-associated fluoride to freshwater benthic organisms was considered incomplete. T...

journal_title：Environmental toxicology and chemistry

authors： Metcalfe-Smith JL,Holtze KE,Sirota GR,Reid JJ,de Solla SR

更新日期：2003-01-01 00:00:00

abstract：:Genetic diversity among laboratory and field populations of Chironomus riparius was investigated using microsatellite DNA analysis. Individuals of midge cultures reared in 10 different laboratories showed a clear reduction in the number of alleles per locus and in the level of heterozygosity compared to two natural po...

journal_title：Environmental toxicology and chemistry

authors： Nowak C,Vogt C,Diogo JB,Schwenk K

更新日期：2007-05-01 00:00:00

abstract：:The dose-response relationship for hepatic 7-ethoxyresorufin-O-deethylase (EROD) induction in barramundi (Lates calcarifer) was examined under controlled laboratory conditions for 15 d using farm-reared barramundi. These results were compared with EROD activity measured in barramundi collected from two rivers catchmen...

journal_title：Environmental toxicology and chemistry

authors： Codi S,Humphrey C,Klumpp D,Delean S

更新日期：2004-11-01 00:00:00

abstract：:Understanding the environmental risks of pharmaceuticals and personal care products (PPCPs) has become very important in the field of aquatic toxicology. Hydroxylpropyl-β-cyclodextrin (HPβCD) is an amphiphilic, toroidal shaped molecule with the ability to form noncovalent inclusion complexes with a variety of guest mo...

journal_title：Environmental toxicology and chemistry

authors： Anderson JC,Beyger L,Guchardi J,Holdway D

更新日期：2016-06-01 00:00:00

abstract：:The present study investigated new or lesser-studied and legacy organochlorine (OC) contaminants and metabolites in plasma and eggs of glaucous gulls (Larus hyperboreus) collected from major breeding colonies on Bear Island in the Norwegian Arctic. Hexachlorobutadiene was below the method limit of detection (< 0.07 ng...

journal_title：Environmental toxicology and chemistry

authors： Verreault J,Letcher RJ,Muir DC,Chu S,Gebbink WA,Gabrielsen GW

更新日期：2005-10-01 00:00:00

abstract：:Ten agronomic plant species were exposed to different concentrations of nano-titanium dioxide (nTiO2 ) or nano-cerium oxide (nCeO2 ) (0 μg/mL, 250 μg/mL, 500 μg/mL, and 1000 μg/mL) to examine potential effects on germination and early seedling development. The authors modified a standard test protocol developed for so...

journal_title：Environmental toxicology and chemistry

authors： Andersen CP,King G,Plocher M,Storm M,Pokhrel LR,Johnson MG,Rygiewicz PT

更新日期：2016-09-01 00:00:00

abstract：:In tissues of freshwater fish-feeding mammals, 3,4-didehydroretinol (A2) is a major form of vitamin A. In mink liver, with organochlorine exposure, this analog has been found to decrease more than retinol (A1) and thus has potential as a sensitive freshwater biomarker. The presence of the analogs A1 and A2 as alcohol ...

journal_title：Environmental toxicology and chemistry

authors： Käkelä A,Käkelä R,Hyvärinen H

更新日期：2002-02-01 00:00:00

abstract：:We propose a biologically based approach to analyze reproductive data for the midge (Chironomus riparius). We showed in a previous study that its larval development can be divided in two distinct phases regarding the use of energy: The somatic growth period and the gametic growth period. We hypothesize here the gameti...

journal_title：Environmental toxicology and chemistry

authors： Ducrot V,Péry AR,Mons R,Garric J

更新日期：2004-01-01 00:00:00

abstract：:Prior to the implementation of any new technology, possible environmental and health repercussions first must be researched. Fullerenes are to be produced soon on an industrial scale, with applications quickly following. To investigate the possible environmental impact of fullerenes, a C60-water suspension (nano-C60) ...

journal_title：Environmental toxicology and chemistry

authors： Lyon DY,Fortner JD,Sayes CM,Colvin VL,Hughe JB

更新日期：2005-11-01 00:00:00

abstract：:The subject of the present study was the piscivorous common mergansers (Mergus merganser). The total mercury (THg), methylmercury (MeHg), selenium (Se) inorganic mercury (InHg; THg - MeHg), percentage of THg that is MeHg (%MeHg), molar ratios (THg:Se, MeHg:Se, InHg:Se), and their mutual relations in livers and kidneys...

journal_title：Environmental toxicology and chemistry

authors： Kalisinska E,Gorecki J,Okonska A,Pilarczyk B,Tomza-Marciniak A,Budis H,Lanocha N,Kosik-Bogacka DI,Kavetska KM,Macherzynski M,Golas J

更新日期：2014-02-01 00:00:00

abstract：:We examined the subcellular partitioning of zinc (Zn) in Daphnia magna both under acute and chronic exposures. In the acute Zn toxicity tests, the daphnids were exposed to different Zn concentrations for 48 h or to one lethal concentration (1,000 microg/L) for different durations (time to death for up to 47 h). Signif...

journal_title：Environmental toxicology and chemistry

authors： Wang WX,Guan R

更新日期：2010-08-01 00:00:00

abstract：:Instream flows of the rapidly urbanizing watersheds and estuaries of the Gulf of Mexico in Texas (USA) are increasingly dominated by reclaimed waters. Though ionizable pharmaceuticals have received increasing attention in freshwaters, many research questions remain unanswered, particularly in tidally influenced urban ...

journal_title：Environmental toxicology and chemistry

authors： Scott WC,Du B,Haddad SP,Breed CS,Saari GN,Kelly M,Broach L,Chambliss CK,Brooks BW

更新日期：2016-04-01 00:00:00

abstract：:In Nebraska, fish are exposed to herbicides in agricultural runoff. The study objectives were to determine 1) if fathead minnows and northern leopard frogs exposed to atrazine experience alterations in gene expression, and 2) whether these changes are elicited by a simulated herbicide mixture. Following a 7-d exposure...

journal_title：Environmental toxicology and chemistry

authors： Ali JM,Knight LA,D'Souza DL,Kolok AS

更新日期：2018-04-01 00:00:00

abstract：:The Athabasca River basin, located in Alberta, Canada, covers 157, 000 km(2) and holds significant cultural and economic importance. Recent research assessed changes in several water quality and quantity parameters that have changed both spatially (along the river continuum) and temporally (pre-development and present...

journal_title：Environmental toxicology and chemistry

authors： Squires AJ,Dubé MG,Rozon-Ramilo LD

更新日期：2013-03-01 00:00:00

abstract：:Heavy metal contamination may have adverse effects on wetland biota, particularly on amphibians. Severe immunotoxic effects elicited in Euphlyctis hexadactylus (Indian green frog) because of metal exposure (Cd, Cr, Cu, Pb, and Zn) in the Bellanwila-Attidiya Sanctuary, a polluted urban wetland in Sri Lanka, provided th...

journal_title：Environmental toxicology and chemistry

authors： Jayawardena UA,Angunawela P,Wickramasinghe DD,Ratnasooriya WD,Udagama PV

更新日期：2017-10-01 00:00:00

abstract：:Laboratory-based algal assays were developed to explore the bioavailability of copper to the marine alga Thalassiosira weissflogii. A calibration strategy was developed that avoided use of the synthetic ligand ethylenediaminetetraacetic acid (EDTA) in the Aquil growth medium, thereby allowing ambient metal speciation....

journal_title：Environmental toxicology and chemistry

authors： Karner DA,Shafer MM,Overdier JT,Hemming JD,Sonzogni WC

更新日期：2006-04-01 00:00:00

abstract：:Phthalic acid esters are frequently detected in aquatic environments. In the present study, zebrafish were exposed to low concentrations (0 µg/L, 0.46 µg/L, 4.0 µg/L, and 37.5 µg/L) of mono-(2-ethylhexyl) phthalate (MEHP) for 81 d, and the effects on reproduction, gamete quality, plasma vitellogenin (VTG), sex steroid...

journal_title：Environmental toxicology and chemistry

authors： Zhu Y,Hua R,Zhou Y,Li H,Quan S,Yu Y

更新日期：2016-08-01 00:00:00

abstract：:Although many studies have reported that nitroaromatics such as 2,4,6-trinitrotoluene (TNT) have strong mutagenicity, the mechanism of mutagenic activity in these compounds has not yet been reported. We examined the mutagenicity versus reactivity and biodegradation by bacteria using TNT and its analogs (1,3,5-trinitro...

journal_title：Environmental toxicology and chemistry

authors： Maeda T,Nakamura R,Kadokami K,Ogawa HI

更新日期：2007-02-01 00:00:00

abstract：:Toxic effects of many persistent organic pollutants (e.g., polychlorinated biphenyls or polychlorinated dibenzo-p-dioxins and furans) are mediated via the aryl hydrocarbon receptor (AhR). Although polycyclic aromatic hydrocarbons (PAHs) and their derivatives also activate AhR, their toxic effects remain to be fully el...

journal_title：Environmental toxicology and chemistry

authors： Sovadinová I,Bláha L,Janosek J,Hilscherová K,Giesy JP,Jones PD,Holoubek I

更新日期：2006-05-01 00:00:00

abstract：:A dike failure at the Tennessee Valley Authority Kingston Fossil Plant in East Tennessee, United States, in December 2008, released approximately 4.1 million m(3) of coal ash into the Emory River. From 2009 through 2012, samples of mayfly nymphs (Hexagenia bilineata) were collected each spring from sites in the Emory,...

journal_title：Environmental toxicology and chemistry

authors： Smith JG,Baker TF,Murphy CA,Jett RT

更新日期：2016-05-01 00:00:00

abstract：:A study of the ecotoxicity of different short aliphatic protic ionic liquids (PILs) on terrestrial organisms was conducted. Tests performed within the present study include those assessing the effects of PILs on soil microbial functions (carbon and nitrogen mineralization) and terrestrial plants. The results show that...

journal_title：Environmental toxicology and chemistry

authors： Peric B,Martí E,Sierra J,Cruañas R,Iglesias M,Garau MA

更新日期：2011-12-01 00:00:00

abstract：:The authors investigated the uptake and depuration of fullerene aqueous suspensions (nC(60)) in 2 aquatic organisms: Daphnia magna and zebrafish. The effects of humic acid were examined to elucidate its possible mechanisms in the aquatic environment. The uptake was concentration-dependent in both organisms, and the ma...

journal_title：Environmental toxicology and chemistry

authors： Chen Q,Yin D,Li J,Hu X

更新日期：2014-05-01 00:00:00

abstract：:Field-related influences on polychlorinated biphenyl (PCB) exposure were evaluated by employing caged deposit-feeders, Neanthes arenaceodentata, along with polyoxymethylene (POM) samplers using parallel in situ and ex situ bioassays with homogenized untreated or activated carbon (AC) amended sediment. The AC amendment...

journal_title：Environmental toxicology and chemistry

authors： Janssen EM,Oen AM,Luoma SN,Luthy RG

更新日期：2011-01-01 00:00:00

abstract：:Diluted bitumen (dilbit; the product of oil sands extraction) is transported through freshwater ecosystems critical to Pacific salmon. This is concerning, because crude oil disrupts cardiac development, morphology, and function in embryonic fish, and cardiac impairment in salmon can have major consequences on migrator...

journal_title：Environmental toxicology and chemistry

authors： Alderman SL,Lin F,Farrell AP,Kennedy CJ,Gillis TE

更新日期：2017-02-01 00:00:00

abstract：:Sediment-quality assessment often is hindered by the lack of agreement between chemical and biological lines of evidence. One limitation is that the bulk sediment toxicant concentration, the most widely used chemical parameter, does not always represent the bioavailable concentration, particularly for hydrophobic orga...

journal_title：Environmental toxicology and chemistry

authors： Maruya KA,Zeng EY,Tsukada D,Bay SM

更新日期：2009-04-01 00:00:00

abstract：:Military activities associated with training have resulted in soil residues of munition compounds and their breakdown products. Often, these areas are valuable habitats used by birds. To evaluate the possibility of adverse effects in birds, the effects from oral exposures of 2,6-dinitrotoluene (2,6-DNT) and 1,3,5-trin...

journal_title：Environmental toxicology and chemistry

authors： Johnson MS,Quinn MJ,Bazar MA,Gust KA,Escalon BL,Perkins EJ

更新日期：2007-07-01 00:00:00

abstract：:Two analytical methods were developed for the determination of 48 organic compounds and 20 of their main by-products in fish matrices. The targeted compounds belong to various chemical classes of metabolizable (phthalates, polycyclic aromatic hydrocarbons, insecticides [pyrethroids and N,N-diethyl-meta-toluamide]) and...

journal_title：Environmental toxicology and chemistry

authors： Molbert N,Alliot F,Santos R,Chevreuil M,Mouchel JM,Goutte A

更新日期：2019-09-01 00:00:00