abstract：:Despite extensive studies of methylmercury (MeHg) toxicity in birds, molecular effects on birds are poorly characterized. To improve our understanding of toxicity pathways and identify novel indicators of avian exposure to Hg, the authors investigated genomic changes, glutathione status, and oxidative status indicator...

journal_title：Environmental toxicology and chemistry

authors： Jenko K,Karouna-Renier NK,Hoffman DJ

更新日期：2012-11-01 00:00:00

abstract：:An urgent need exists to identify suitable tropical marine species for use in the development of sensitive and reliable test methods for routine laboratory ecotoxicological testing. Corals are a group of organisms not represented in routine ecotoxicology due to inherent difficulties in laboratory husbandry, and sea an...

journal_title：Environmental toxicology and chemistry

authors： Howe PL,Reichelt-Brushett AJ,Clark MW

更新日期：2012-11-01 00:00:00

abstract：:Herbicides are commonly used in agriculture and silviculture to reduce interspecific competition among plants and thereby enhance crop growth, quality, and volume. Internationally, glyphosate-based herbicides are the most widely used herbicides in both of these sectors. Laboratory and mesocosm studies have demonstrate...

journal_title：Environmental toxicology and chemistry

authors： Edge CB,Thompson DG,Hao C,Houlahan JE

更新日期：2012-10-01 00:00:00

abstract：:To examine the behavior of the estrogenic biomarker vitellogenin (VTG) under the combined impact of estrogens and pathogens, parasite-infected or noninfected rainbow trout were exposed to two doses of 17β-estradiol (E2). Infected and E2-exposed fish showed significantly lower hepatic VTG mRNA levels than healthy fish....

journal_title：Environmental toxicology and chemistry

authors： Burki R,Krasnov A,Bettge K,Rexroad CE 3rd,Afanasyev S,Antikainen M,Burkhardt-Holm P,Wahli T,Segner H

更新日期：2012-10-01 00:00:00

abstract：:Traditional risk assessment guidelines employ acute or chronic toxicity tests for a maximum of one generation of organisms. These tests are usually performed in the laboratory at a constant standard temperature, although in the field organisms may experience different temperatures, which may be a source of additional ...

journal_title：Environmental toxicology and chemistry

authors： Tassou KT,Schulz R

更新日期：2012-10-01 00:00:00

abstract：:Northern elephant seal (Mirounga angustirostris) pups undergo a substantial intertissue reorganization of protein, minerals, and other cellular components during their postweaning development, which might entail the mobilization of associated contaminants. The authors investigated the changes in concentrations of 11 e...

journal_title：Environmental toxicology and chemistry

authors： Habran S,Crocker DE,Debier C,Das K

更新日期：2012-10-01 00:00:00

abstract：:Polybrominated diphenyl ethers (PBDEs) were measured in surface sediments from 121 locations within the Southern California Bight. Site selection was based on a probabilistic approach to determine the spatial extent and magnitude of PBDE concentrations with known confidence intervals. Coastal embayments (including est...

journal_title：Environmental toxicology and chemistry

authors： Dodder NG,Maruya KA,Lauenstein GG,Ramirez J,Ritter KJ,Schiff KC

更新日期：2012-10-01 00:00:00

abstract：:Triclosan (TCS) is an antimicrobial compound commonly found in biosolids. Thus, plants grown in biosolids-amended soil may be exposed to TCS. We evaluated the plant toxicity and accumulation potential of biosolids-borne TCS in two vegetables (lettuce and radish) and a pasture grass (bahia grass). Vegetables were grown...

journal_title：Environmental toxicology and chemistry

authors： Pannu MW,Toor GS,O'Connor GA,Wilson PC

更新日期：2012-09-01 00:00:00

abstract：:The recently reported quantification of the atmospheric sampling artifact for perfluorooctanoic acid (PFOA) was applied to existing gas and particle concentration measurements. Specifically, gas phase concentrations were increased by a factor of 3.5 and particle-bound concentrations by a factor of 0.1. The correlation...

journal_title：Environmental toxicology and chemistry

authors： Webster EM,Ellis DA

更新日期：2012-09-01 00:00:00

abstract：:Nitrobenzene, although widely used in industry, is a highly toxic environmental pollutant. To evaluate the toxicity of nitrobenzene to tobacco seedlings, seedlings were exposed to varying concentrations of nitrobenzene (0-100 mg/L) for 24 h. The contents of reactive oxygen species (hydrogen peroxide [H(2)O(2)] and sup...

journal_title：Environmental toxicology and chemistry

authors： Si L,Guo C,Cao Y,Cong W,Yuan Z

更新日期：2012-09-01 00:00:00

abstract：:The availability of standardized protocols for both organism culture and bioassay with ecologically relevant species is of great concern in ecotoxicology. Acartia tonsa represents an important, often dominant, member of zooplankton communities and meets all the practical criteria suggested for model species. New stand...

journal_title：Environmental toxicology and chemistry

authors： Gorbi G,Invidia M,Savorelli F,Faraponova O,Giacco E,Cigar M,Buttino I,Leoni T,Prato E,Lacchetti I,Sei S

更新日期：2012-09-01 00:00:00

abstract：:Use of solid-phase microextraction (SPME) fibers as a dose metric for toxicity testing was evaluated for hydrophobic pesticides to the midge Chironomus dilutus and the amphipod Hyalella azteca. Test compounds included p,p'-dichlorodiphenyltrichloroethane (p,p'-DDT), p,p'-dichlorodiphenyldichloroethane (p,p'-DDD), p,p'...

journal_title：Environmental toxicology and chemistry

authors： Ding Y,Landrum PF,You J,Harwood AD,Lydy MJ

更新日期：2012-09-01 00:00:00

abstract：:Cucurbita pepo spp pepo (zucchini) is known as an exceptional weathered dichlorodiphenyldichloroethylene (DDE) accumulator, whereas Cucurbita pepo ssp ovifera (squash) is termed a nonaccumulator. Experiments were conducted with hybridized zucchini and squash to assess the inheritance pattern of DDX (the sum of p,p'-di...

journal_title：Environmental toxicology and chemistry

authors： Isleyen M,Sevim P,White JC

更新日期：2012-08-01 00:00:00

abstract：:Silver nanoparticles (Ag NPs) have been classified as the most abundant NP found in commercial products. In the present study, zebrafish (Danio rerio) and bacteria (Escherichia coli; ATCC 25922) were used to test the size-dependent toxicological effects of Ag NPs, the effects of ionic silver versus Ag NPs, and Ag NP e...

journal_title：Environmental toxicology and chemistry

authors： Bowman CR,Bailey FC,Elrod-Erickson M,Neigh AM,Otter RR

更新日期：2012-08-01 00:00:00

abstract：:The current terrestrial risk assessment of insecticides regarding nontarget arthropods considers exclusively beneficial organisms, whereas herbivorous insects, such as grasshoppers, are ignored. However, grasshoppers living in field margins or meadows adjacent to crops may potentially be exposed to insecticides due to...

journal_title：Environmental toxicology and chemistry

authors： Bundschuh R,Schmitz J,Bundschuh M,Brühl CA

更新日期：2012-08-01 00:00:00

abstract：:Populations of Cascades frogs (Rana cascadae) have declined precipitously in the Mount Lassen area, but remain abundant in the other half of their California range in the Klamath Mountains. To evaluate the role of contaminants in Cascade frog declines, we sampled sediment and frog tadpole tissue at 31 sites where Casc...

journal_title：Environmental toxicology and chemistry

authors： Davidson C,Stanley K,Simonich SM

更新日期：2012-08-01 00:00:00

abstract：:One target of development and application of TiO(2) nanoparticles (nano-TiO(2) ) is photochemical degradation of contaminants and photo-killing of microbes and fouling organisms. However, few ecotoxicological studies have focused on this aspect of nano-TiO(2) , specifically whether this photoreactivity might significa...

journal_title：Environmental toxicology and chemistry

authors： Ma H,Brennan A,Diamond SA

更新日期：2012-07-01 00:00:00

abstract：:Freshwater mussels are among the most sensitive aquatic organisms to many contaminants and have complex life-cycles that include several distinct life stages with unique contaminant exposure pathways. Standard acute (24-96 h) and chronic (28 d) toxicity tests with free larva (glochidia) and juvenile mussels are effect...

journal_title：Environmental toxicology and chemistry

authors： Hazelton PD,Cope WG,Pandolfo TJ,Mosher S,Strynar MJ,Barnhart MC,Bringolf RB

更新日期：2012-07-01 00:00:00

abstract：:The present study evaluated if the element profiles in hair and nails of children from the Lake Victoria region in Kenya reflect uptake from food and the environment. To this purpose, the element concentrations in hair and nails were related to element concentrations measured in food items, water, and soil. The highes...

journal_title：Environmental toxicology and chemistry

authors： Oyoo-Okoth E,Admiraal W,Osano O,Kraak MH

更新日期：2012-07-01 00:00:00

abstract：:The authors derive predicted-no-effect concentrations (PNECs) for the steroid estrogens (estrone [E1], 17β-estradiol [E2], estriol [E3], and 17α-ethinylestradiol [EE2]) appropriate for use in risk assessment of aquatic organisms. In a previous study, they developed a PNEC of 0.35 ng/L for EE2 from a species sensitivit...

journal_title：Environmental toxicology and chemistry

authors： Caldwell DJ,Mastrocco F,Anderson PD,Länge R,Sumpter JP

更新日期：2012-06-01 00:00:00

abstract：:The authors conducted 150 tests of the acute toxicity of resident fish and invertebrates to Cd, Pb, and Zn, separately and in mixtures, in waters from the South Fork Coeur d'Alene River watershed, Idaho, USA. Field-collected shorthead sculpin (Cottus confusus), westslope cutthroat trout (Oncorhynchus clarkii lewisi), ...

journal_title：Environmental toxicology and chemistry

authors： Mebane CA,Dillon FS,Hennessy DP

更新日期：2012-06-01 00:00:00

abstract：:Surface sediments collected from the coastal region off South China were analyzed for persistent organic pollutants (POPs), including polybrominated diphenyl ethers (PBDEs), polycyclic aromatic hydrocarbons (PAHs), and organochlorine pesticides (OCPs). The concentrations of BDE-209, Σ(12)PBDE, Σ(15)PAH, Σ(7)PAH, and Σ...

journal_title：Environmental toxicology and chemistry

authors： Liu LY,Wang JZ,Qiu JW,Liang Y,Zeng EY

更新日期：2012-06-01 00:00:00

abstract：:In the present study, microbial community responses to exposure to unweathered Macondo Well crude oil and conventional diesel in a sandy beach environment were determined. Biodegradation was assessed in mesocosm experiments with differing fuel amounts (2,000 and 4,000 mg/kg) and with or without inorganic nutrient amen...

journal_title：Environmental toxicology and chemistry

authors： Horel A,Mortazavi B,Sobecky PA

更新日期：2012-05-01 00:00:00

abstract：:Studies concerning the impact of nanomaterials, especially fullerene (C(60) ), in fresh water environments and their effects on the physiology of aquatic organisms are still scarce and conflicting. We aimed to assess in vitro effects of fullerene in brain and gill homogenates of carp Cyprinus carpio, evaluating redox ...

journal_title：Environmental toxicology and chemistry

authors： Ferreira JL,Barros DM,Geracitano LA,Fillmann G,Fossa CE,de Almeida EA,de Castro Prado M,Neves BR,Pinheiro MV,Monserrat JM

更新日期：2012-05-01 00:00:00

abstract：:Currently, environmental studies describing levels of polychlorinated biphenyls (PCBs) in imported shrimp are limited, particularly studies of aquaculture shrimp. In the present study, we measured concentrations of the 209 PCB congeners in 84 uncooked, warm-water shrimp samples from the United States and 14 other coun...

journal_title：Environmental toxicology and chemistry

authors： Fillos D,Scott LL,De Sylor MA,Grespin M,Luksemburg WJ,Finley B

更新日期：2012-05-01 00:00:00

abstract：:High levels of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs), mono- and non-ortho-polychlorinated biphenyls (PCBs), and polybrominated dibenzo-p-dioxins (PBDDs) are found in fish from coastal areas in the Baltic Sea, which may cause ecotoxicological effects. To increase our understanding of the persist...

journal_title：Environmental toxicology and chemistry

authors： Arnoldsson K,Haldén AN,Norrgren L,Haglund P

更新日期：2012-04-01 00:00:00

abstract：:Environmental factors, in particular temperature, have been shown to affect the toxicity of chemicals. In the present study the authors exposed the nematode Caenorhabditis elegans to five concentrations of Cd (2, 4, 6, 8, and 10 mg Cd/L agar) at four constant temperatures (11, 15, 18, and 21°C) and monitored survival ...

journal_title：Environmental toxicology and chemistry

authors： Nørhave NJ,Spurgeon D,Svendsen C,Cedergreen N

更新日期：2012-04-01 00:00:00

abstract：:Differences in soil properties can influence the fate of plant protection agents in the environment. The present study aims to investigate the sorption behavior and related aging processes of imidacloprid (IMI; insecticide), methabenzthiazuron (MBT; herbicide), and N,N-dimethylsulfamide (DMSA; degradate of the fungici...

journal_title：Environmental toxicology and chemistry

authors： Dalkmann P,Menke U,Schäfer D,Keppler J,Pätzold S

更新日期：2012-03-01 00:00:00

abstract：:Triclosan (TCS) is a common constituent of personal care products and is frequently present in biosolids. Application of biosolids to land transfers significant amounts of TCS to soils. Because TCS is an antimicrobial and is toxic to some aquatic organisms, concern has arisen that TCS may adversely affect soil organis...

journal_title：Environmental toxicology and chemistry

authors： Pannu MW,O'Connor GA,Toor GS

更新日期：2012-03-01 00:00:00

abstract：:This study evaluated the interactions of flight, fasting, and 1,1,1-trichloro-bis(4-chlorophenyl)ethane (p,p'-DDT) loading on residue metabolism and distribution in recently exposed white-crowned sparrows (Zonotrichia leucophrys). Female sparrows were dosed with 5 mg p,p'-DDT per kg body weight over 3 d. Following 1 d...

journal_title：Environmental toxicology and chemistry

authors： Scollon EJ,Carr JA,Rintoul DA,McMurry ST,Cobb GP

更新日期：2012-02-01 00:00:00

abstract：:Many chiral pesticides are introduced into the environment as racemates, although their pesticidal activity is usually the result of preferential reactivity of only one enantiomer, while the other enantiomer may have toxic effects against nontarget organisms. Methamidophos (O,S-dimethyl phosphoramidothioate), a chiral...

journal_title：Environmental toxicology and chemistry

authors： Emerick GL,Oliveira RV,Belaz KR,Gonçalves M,DeOliveira GH

更新日期：2012-02-01 00:00:00

abstract：:Polybrominated diphenyl ethers (PBDEs) are bioaccumulative, persistent organic pollutants used as flame retardants in consumer goods. Concentrations of PBDEs in North American wildlife have been increasing for decades and been shown to have estrogenic effects on sexual development. No studies, however, have examined t...

journal_title：Environmental toxicology and chemistry

authors： Van Schmidt ND,Cary TL,Ortiz-Santaliestra ME,Karasov WH

更新日期：2012-02-01 00:00:00

abstract：:The fish toxicity assay most commonly used to establish chronic effects is the Organisation for Economic Co-operation and Development (OECD) 210, fish early-life stage test. However, the authors are not aware of any systematic analysis of the experimental design or statistical characteristics of the test since the tes...

journal_title：Environmental toxicology and chemistry

authors： Oris JT,Belanger SE,Bailer AJ

更新日期：2012-02-01 00:00:00

abstract：:The environmental prevalence of engineered nanomaterials, particularly nanoparticulate silver (AgNP), is expected to increase substantially. The ubiquitous use of commercial products containing AgNP may result in their release to the environment, and the potential for ecological effects is unknown. Detecting engineere...

journal_title：Environmental toxicology and chemistry

authors： Mitrano DM,Lesher EK,Bednar A,Monserud J,Higgins CP,Ranville JF

更新日期：2012-01-01 00:00:00

abstract：:Recently it was discovered that the perfluorooctane sulfonate (PFOS) detected in wildlife, such as fish-eating birds, had a greater proportion of linear PFOS (L-PFOS) than the manufactured technical product (T-PFOS), which contains linear and branched isomers. This suggests toxicological studies based on T-PFOS data m...

journal_title：Environmental toxicology and chemistry

authors： O'Brien JM,Austin AJ,Williams A,Yauk CL,Crump D,Kennedy SW

更新日期：2011-12-01 00:00:00

abstract：:We evaluated the utility of gene-transcriptional responses in the liver of mosquitofish (Gambusia affinis), a species introduced to many countries and therefore widely available, for detecting endocrine-disrupting activity in water. Exposure to β-naphthoflavone, an aryl hydrocarbon receptor (AhR) agonist, significantl...

journal_title：Environmental toxicology and chemistry

authors： Kamata R,Itoh K,Nakajima D,Kageyama S,Sawabe A,Terasaki M,Shiraishi F

更新日期：2011-12-01 00:00:00

abstract：:Copper toxicity in different embryonic and larval stages of the common South American toad Rhinella arenarum was evaluated by means of continuous and 24-h pulse treatments in 12 different developmental stages. Lethal concentrations (LC) of 10, 50, and 90% of continuous treatment with Cu from early blastula (S.4), comp...

journal_title：Environmental toxicology and chemistry

authors： Aronzon CM,Sandoval MT,Herkovits J,Pérezcoll CS

更新日期：2011-12-01 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 reproductive biology of amphipods is reviewed to update the knowledge of the male and female reproductive processes of oogenesis and spermatogenesis as well as the endocrine systems of amphipods with the aim of advancing studies of reproductive toxicology. The ovarian and reproduction cycles of female gammaridean ...

journal_title：Environmental toxicology and chemistry

authors： Hyne RV

更新日期：2011-12-01 00:00:00

abstract：:Hepatic vitellogenin (VTG) mRNA and plasma protein assays were developed for the Murray rainbowfish (Melanotaenia fluviatilis), a native freshwater fish species in Australia. Adult male Murray rainbowfish were exposed to 17β-estradiol (E2) or 17α-ethynylestradiol (EE2) at 0, 1, 5, 10, 50, or 100 ng/L in a semistatic s...

journal_title：Environmental toxicology and chemistry

authors： Woods M,Kumar A

更新日期：2011-11-01 00:00:00