abstract：:Current pesticide risk assessment does not specifically consider amphibians. Amphibians in the aquatic environment (aquatic life stages or postmetamorphic aquatic amphibians) and terrestrial living juvenile or adult amphibians are assumed to be covered by the risk assessment for aquatic invertebrates and fish, or mamm...

journal_title：Environmental toxicology and chemistry

authors： Brühl CA,Pieper S,Weber B

更新日期：2011-11-01 00:00:00

abstract：:Ecotoxicity tests were performed with fish, invertebrates, and algae to investigate the effect of water quality parameters on Mn toxicity. Models were developed to describe the effects of Mn as a function of water quality. Calcium (Ca) has a protective effect on Mn toxicity for both fish and invertebrates, and magnesi...

journal_title：Environmental toxicology and chemistry

authors： Peters A,Lofts S,Merrington G,Brown B,Stubblefield W,Harlow K

更新日期：2011-11-01 00:00:00

abstract：:Equilibrium distribution models of hydrophobic neutral partitioning of the perfluorinated carboxylic and sulfonic acids were shown, without the need for any physical chemical properties, to successfully predict the sediment-water distribution (D(SW) ) directly from independently measured equilibrium tissue distributio...

journal_title：Environmental toxicology and chemistry

authors： Webster EM,Ellis DA

更新日期：2011-10-01 00:00:00

abstract：:Yeast estrogen screen (YES) has been used since 1996 as a bioassay to quantify activity in wastewater. Here we present a modification of YES to measure estrogenic activity in water. This modification, called yeast estrogen screen no extraction (YESne), is faster and easier than the common method. The modified method c...

journal_title：Environmental toxicology and chemistry

authors： Colosi JC,Kney AD

更新日期：2011-10-01 00:00:00

abstract：:It has been argued that current approaches for ecological risk assessment (ERA) do not provide value relevance for risk managers and that the uncertainty in the predictions is large. One important reason for this is that current approaches are based on individual-level endpoints, but the environmental protection goals...

journal_title：Environmental toxicology and chemistry

authors： Hanson N,Stark JD

更新日期：2011-10-01 00:00:00

abstract：:Polybrominated diphenyl ethers (PBDEs) are flame retardants used in a variety of consumer products. The solid vapor pressures of BDE 15 and BDE 209 were determined by using the Knudsen effusion method, and the values measured extrapolated to 298.15 K are 3.12 × 10(-3) and 9.02 × 10(-13) Pa, respectively. The enthalpie...

journal_title：Environmental toxicology and chemistry

authors： Fu J,Suuberg EM

更新日期：2011-10-01 00:00:00

abstract：:A Unit World approach has been used extensively to rank chemicals for their hazards and to understand differences in chemical behavior. Whereas the fate and effects of an organic chemical in a Unit World Model (UWM) analysis vary systematically according to one variable (fraction of organic carbon), and the chemicals ...

journal_title：Environmental toxicology and chemistry

authors： Gandhi N,Bhavsar SP,Diamond ML

更新日期：2011-09-01 00:00:00

abstract：:Weathered crude oil in the Gulf of Mexico can result from oil spills such as the Deepwater Horizon incident that occurred on April 20, 2010 or from natural seeps. Adult waterbirds of the Gulf Coast region may become exposed to weathered crude oil while foraging, wading, or resting, and residues can then be transferred...

journal_title：Environmental toxicology and chemistry

authors： Finch BE,Wooten KJ,Smith PN

更新日期：2011-08-01 00:00:00

abstract：:A combination of forward and reverse heteronuclear ((19)F/(1)H) saturation transfer difference (STD) nuclear magnetic resonance (NMR) spectroscopic techniques were applied to characterize the noncovalent interactions between perfluorinated aromatic xenobiotics and dissolved humic acid. These NMR techniques produce det...

journal_title：Environmental toxicology and chemistry

authors： Longstaffe JG,Simpson AJ

更新日期：2011-08-01 00:00:00

abstract：:The present study assessed and compared the oxidative and reductive biotransformation of brominated flame retardants, including established polybrominated diphenyl ethers (PBDEs) and emerging decabromodiphenyl ethane (DBDPE) using an in vitro system based on liver microsomes from various arctic marine-feeding mammals:...

journal_title：Environmental toxicology and chemistry

authors： McKinney MA,Dietz R,Sonne C,De Guise S,Skirnisson K,Karlsson K,Steingrímsson E,Letcher RJ

更新日期：2011-07-01 00:00:00

abstract：:The Strait of Georgia (British Columbia, Canada) is a hydrologically complex inland sea with a rich abundance and diversity of species of aquatic life. Marine sediments, as both a sink for hydrophobic contaminants and a potential source for aquatic food webs, were collected from 41 sites throughout the 6,900-km(2) Str...

journal_title：Environmental toxicology and chemistry

authors： Grant PB,Johannessen SC,Macdonald RW,Yunker MB,Sanborn M,Dangerfield N,Wright C,Ross PS

更新日期：2011-07-01 00:00:00

abstract：:Pulp and paper mill effluents have been linked to effects on fish reproduction for more than 25 years. To date, the causes of these effects and remedial strategies have eluded investigators. Recent work has shown that the degree of reproductive effect caused by a mill effluent is related to the overall organic content...

journal_title：Environmental toxicology and chemistry

authors： Kovacs TG,Martel PH,O'Connor BI,Parrott JL,McMaster ME,Van Der Kraak GJ,MacLatchy DL,van den Heuvel MR,Hewitt LM

更新日期：2011-06-01 00:00:00

abstract：:Agriculture-related pollution is among the major causes of global amphibian population declines. The multiple stressors to which amphibians are exposed in the field, such as predation pressure, can make agrochemicals far more deadly than when they act in isolation. Even within a small area, diffuse agricultural pollut...

journal_title：Environmental toxicology and chemistry

authors： Ortiz-Santaliestra ME,Fernández-Benéitez MJ,Lizana M,Marco A

更新日期：2011-06-01 00:00:00

abstract：:A new short life-cycle test methodology is presented to evaluate sublethal effects of contaminated sediments to the harpacticoid copepod species Nitocra spinipes. The method combines a 4-d survival-gravidity test with a 7-d development test. For water-only Cu exposures, the sensitivity of the development test endpoint...

journal_title：Environmental toxicology and chemistry

authors： Perez-Landa V,Simpson SL

更新日期：2011-06-01 00:00:00

abstract：:This study evaluated the effects of dietary methylmercury (MeHg) on immune system development in captive-reared nestling American kestrels (Falco sparverius) to determine whether T cell-mediated and antibody-mediated adaptive immunity are targets for MeHg toxicity at environmentally relevant concentrations. Nestlings ...

journal_title：Environmental toxicology and chemistry

authors： Fallacara DM,Halbrook RS,French JB

更新日期：2011-06-01 00:00:00

abstract：:To develop a multimetal toxicity model requires insight into the relationships between the composition of metal mixtures and their toxicological effects on organisms. As a first step in developing such a model, quantitative data from binary and higher mixture studies of Cu, Cd, and Zn were compiled and used to assess ...

journal_title：Environmental toxicology and chemistry

authors： Vijver MG,Elliott EG,Peijnenburg WJ,de Snoo GR

更新日期：2011-06-01 00:00:00

abstract：:Seasonality in biomagnification of persistent organic pollutants (POPs; polychlorinated biphenyls, chlorinated pesticides, and brominated flame retardants) in Arctic marine pelagic food webs was investigated in Kongsfjorden, Svalbard, Norway. Trophic magnification factors (TMFs; average factor change in concentration ...

journal_title：Environmental toxicology and chemistry

authors： Hallanger IG,Warner NA,Ruus A,Evenset A,Christensen G,Herzke D,Gabrielsen GW,Borgå K

更新日期：2011-05-01 00:00:00

abstract：:Vitellogenin (VTG) is a precursor of egg-yolk protein and is therefore present at high concentrations in the plasma of female fish. In male fish, VTG concentrations are usually undetectable or low but can be induced upon exposure to estrogenic substances either via the water or the diet. This work was performed to det...

journal_title：Environmental toxicology and chemistry

authors： Beresford N,Brian JV,Runnalls TJ,Sumpter JP,Jobling S

更新日期：2011-05-01 00:00:00

abstract：:The present study investigated the impact of nano titanium dioxide (nTiO(2) ) exposure on the cellular structures of the nitrogen-fixing cyanobacteria Anabaena variabilis. Results of the present study showed that nTiO(2) exposure led to observable alteration in various intracellular structures and induced a series of ...

journal_title：Environmental toxicology and chemistry

authors： Cherchi C,Chernenko T,Diem M,Gu AZ

更新日期：2011-04-01 00:00:00

abstract：:OECD (Organisation for Economic Co-operation and Development) Guideline 203, Fish Acute Toxicity Test, states that the test should be performed using at least five concentrations in a geometric series with a separation factor not exceeding 2.2, with at least seven fish per concentration. However, the efficiency of thi...

journal_title：Environmental toxicology and chemistry

authors： Rufli H,Springer TA

更新日期：2011-04-01 00:00:00

abstract：:Silver nanoparticles (AgNP) are now widely used as antibacterial products, and their potential toxicities in aquatic organisms are a matter of increasing concern. In the present study, we conducted experiments to reveal the acute and chronic toxicities of AgNP and its bioaccumulation from both aqueous and dietary sour...

journal_title：Environmental toxicology and chemistry

authors： Zhao CM,Wang WX

更新日期：2011-04-01 00:00:00

abstract：:Northern leopard frogs (Rana pipiens) have been disappearing throughout their range. The causes for extirpations have been elusive, although habitat alteration appears to be a major factor. Pesticides have been implicated in declines in western amphibians, but no mechanism has been identified. We tested the hypothesis...

journal_title：Environmental toxicology and chemistry

authors： Distel CA,Boone MD

更新日期：2011-03-01 00:00:00

abstract：:Eutrophication (i.e., nutrient enrichment, organic enrichment, and oxygen depletion) is one of the most common sources of impairment in Clean Water Act 303(d)-listed waters in the United States. Although eutrophication can eventually cause adverse effects to the benthos, it may be difficult to diagnose. Sediment organ...

journal_title：Environmental toxicology and chemistry

authors： Pelletier MC,Campbell DE,Ho KT,Burgess RM,Audette CT,Detenbeck NE

更新日期：2011-03-01 00:00:00

abstract：:We studied the influence of sediment geochemistry on bioavailability of As, Cd, and Cr in deposit-feeding polychaetes. Metal phase speciation in sediments was determined with a sequential extraction scheme, and assimilation efficiencies (AEs) of ingested metals were determined by pulse-chase feeding experiments using ...

journal_title：Environmental toxicology and chemistry

authors： Baumann Z,Fisher NS

更新日期：2011-03-01 00:00:00

abstract：:The rapid development of new technologies such as transcriptomics, proteomics, and metabolomics (Omics) are changing the way ecotoxicology is practiced. The data deluge has begun with genomes of over 65 different aquatic species that are currently being sequenced, and many times that number with at least some level of...

journal_title：Environmental toxicology and chemistry

authors： Garcia-Reyero N,Perkins EJ

更新日期：2011-02-01 00:00:00

abstract：:We quantified the uncertainty due to biota-related parameters in estimated bioaccumulation factors (BAFs) of persistent organic pollutants for fish through Monte Carlo simulations. For this purpose, the bioaccumulation model OMEGA (Optimal Modeling for EcotoxicoloGical Applications) was parameterized based on data fro...

journal_title：Environmental toxicology and chemistry

authors： Hauck M,Hendriks HW,Huijbregts MA,Ragas AM,van de Meent D,Hendriks AJ

更新日期：2011-02-01 00:00:00

abstract：:Although laboratory toxicology tests are generally easy to perform, cost effective, and readily interpreted, they have been questioned for their environmental relevance. In contrast, field tests are considered realistic while producing results that are difficult to interpret and expensive to obtain. Toxicology tests w...

journal_title：Environmental toxicology and chemistry

authors： Pfleeger T,Olszyk D,Lee EH,Plocher M

更新日期：2011-02-01 00:00:00

abstract：:Waterborne Cu effects on the transcription of genes encoding ion-transporting proteins and the activities of these proteins were evaluated in gills of the blue crab Callinectes sapidus acclimated to diluted (2‰) and full (30‰) seawater. Crabs were exposed (96 h) to an environmentally relevant concentration of dissolve...

journal_title：Environmental toxicology and chemistry

authors： Martins CM,Almeida DV,Marins LF,Bianchini A

更新日期：2011-01-01 00:00:00

abstract：:Safety factors are used in ecological risk assessments to extrapolate from the toxic responses of laboratory test species to all species representing that group in the environment. More accurate extrapolation of species responses is important. Advances in understanding the mechanistic basis for toxicological responses...

journal_title：Environmental toxicology and chemistry

authors： Celander MC,Goldstone JV,Denslow ND,Iguchi T,Kille P,Meyerhoff RD,Smith BA,Hutchinson TH,Wheeler JR

更新日期：2011-01-01 00:00:00

abstract：:Exposure to metal-contaminated water has been shown to result in a number of reproductive abnormalities in adult and larvae fish, such as failure of oocyte maturation and teratogenic effects. Recently, dietary uptake of metals by fish has been recognized as a critical route of exposure, however, the mechanisms of meta...

journal_title：Environmental toxicology and chemistry

authors： Simon O,Mottin E,Geffroy B,Hinton T

更新日期：2011-01-01 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：:The Organisation for Economic Co-operation and Development (OECD) terrestrial plant test is often used for the ecological risk assessment of contaminated land. However, its origins in plant protection product testing mean that the species recommended in the OECD guidelines are unlikely to occur on contaminated land. S...

journal_title：Environmental toxicology and chemistry

authors： Sinnett DE,Lawrence VK,Hutchings TR,Hodson ME

更新日期：2011-01-01 00:00:00

abstract：:The concentrations of metal contaminants often fluctuate in estuarine waters; yet we have limited knowledge about the effects of intermittent exposures on estuarine organisms. Using 10-d lethality bioassays with the epibenthic amphipod Melita plumulosa, different combinations of intermittent (pulsed) dissolved Cu expo...

journal_title：Environmental toxicology and chemistry

authors： Angel BM,Simpson SL,Jolley DF

更新日期：2010-12-01 00:00:00

abstract：:A detailed study was conducted to determine the current status of the heavy metals Cd, Cu, Cr, Fe, Hg, Mn, Ni, Pb, and Zn in Eskisehir, Turkey. The 15 different locations (n =270) studied were specifically selected to identify the effects of soil pollution on the tramway, which has been in service since December 2004 ...

journal_title：Environmental toxicology and chemistry

authors： Malkoc S,Yazıcı B,Savas Koparal A

更新日期：2010-12-01 00:00:00

abstract：:The current study describes the effect of cypermethrin, fluoxetine, and thiabendazole, at environmentally relevant concentrations, on the expression of heat shock protein 70 (HSP70) and interleukin 1β (IL-1β), using Xenopus laevis larvae as animal model. Cytokines and interleukins are considered good predictors of the...

journal_title：Environmental toxicology and chemistry

authors： Martini F,Fernández C,Segundo LS,Tarazona JV,Pablos MV

更新日期：2010-11-01 00:00:00

abstract：:The uptake of polar organic contaminants into polar organic chemical integrative samplers (POCIS) varies with environmental factors, such as water flow rate. To evaluate the influence of water flow rate on the uptake of contaminants into POCIS, flow-controlled field experiments were conducted with POCIS deployed in ch...

journal_title：Environmental toxicology and chemistry

authors： Li H,Vermeirssen EL,Helm PA,Metcalfe CD

更新日期：2010-11-01 00:00:00

abstract：:We have developed a new analytical procedure for determining insoluble Ca and Mg fatty acid salts (soaps) in agricultural soil and sewage sludge samples. The number of analytical methodologies that focus in the determination of insoluble soap salts in different environmental compartments is very limited. In this work,...

journal_title：Environmental toxicology and chemistry

authors： Cantarero S,Zafra-Gómez A,Ballesteros O,Navalón A,Vílchez JL,Crovetto G,Verge C,de Ferrer JA

更新日期：2010-11-01 00:00:00

abstract：:Soils and sediments in the floodplain of the Tittabawassee River downstream of Midland, Michigan, USA contain elevated concentrations of polychlorinated dibenzofurans (PCDF) and polychlorinated dibenzo-p-dioxins (PCDD). As a long-lived, resident top predator, the great horned owl (Bubo virginianus; GHO) has the potent...

journal_title：Environmental toxicology and chemistry

authors： Coefield SJ,Zwiernik MJ,Fredricks TB,Seston RM,Nadeau MW,Tazelaar DL,Moore JN,Kay DP,Roark SA,Giesy JP

更新日期：2010-10-01 00:00:00

abstract：:Microcystis aeruginosa is a dominant cyanobacterium commonly found in Chinese freshwater ecosystems during phytoplankton blooms, and copper sulfate is one of the most frequently used algicides for controlling the nuisance blooms. In this study, we examined the effects of varied water chemistry (dissolved organic matte...

journal_title：Environmental toxicology and chemistry

authors： Zeng J,Yang L,Wang WX

更新日期：2010-10-01 00:00:00

abstract：:The present study aims at investigating the effects of Zn, Ca, and dissolved organic carbon (DOC) on the waterborne Cd bioaccumulation of a freshwater bivalve (Dreissena polymorpha). Mussels were exposed for 48 h at 3 µg/L of Cd in different media. Their physiological activities were assessed by separately measuring t...

journal_title：Environmental toxicology and chemistry

authors： Bourgeault A,Gourlay-Francé C,Tusseau-Vuillemin MH

更新日期：2010-10-01 00:00:00