Alternative methods for toxicity assessments in fish: comparison of the fish embryo toxicity and the larval growth and survival tests in zebrafish and fathead minnows.

abstract：:Antibiotics are used to maintain healthy livestock and to promote weight gain in concentrated animal feed operations. Antibiotics rarely are metabolized completely by livestock and, thus, are often present in livestock waste and in waste-treatment lagoons. The introduction of antibiotics into anaerobic lagoons commonl...

journal_title：Environmental toxicology and chemistry

authors： Loftin KA,Henny C,Adams CD,Surampali R,Mormile MR

更新日期：2005-04-01 00:00:00

abstract：:Octanol-water partition coefficients (KOW ) are widely used in fate and effects modeling of chemicals. Still, high-quality experimental KOW data are scarce, in particular for very hydrophobic chemicals. This hampers reliable assessments of several fate and effect parameters and the development and validation of new mo...

journal_title：Environmental toxicology and chemistry

authors： Jonker MT

更新日期：2016-06-01 00:00:00

abstract：:The toxicity of nitroaromatic (2,4-diaminonitrotoluene [2,4-DANT] and 1,3,5-trinitrobenzene [TNB]) and 14C-labeled cyclonitramine compounds (hexahydro-1,3,5-trinitro-1,3,5-triazine [RDX] and octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine [HMX]) to the marine polychaete Neanthes arenaceodentata and the estuarine amph...

journal_title：Environmental toxicology and chemistry

authors： Lotufo GR,Farrar JD,Inouye LS,Bridges TS,Ringelberg DB

更新日期：2001-08-01 00:00:00

abstract：:This three-year study evaluated the effects of best management practices (BMPs) in reducing surface water contamination at an urban golf course. Water samples were collected before BMP implementation from two ponds on Braeburn Golf Course (Wichita, KS, USA). The pesticides 2,4-dicholorodiphenoxyacetic acid (2,4-D) and...

journal_title：Environmental toxicology and chemistry

authors： Davis NM,Lydy MJ

更新日期：2002-05-01 00:00:00

abstract：:Soil samples spiked with five concentrations of pyrene and phenanthrene were aged for 0, 10, 40, and 120 d before toxicity was investigated using a standardized bioassay with the soil-dwelling collembolan Folsomia fimetaria L. Toxic effects were measured as reductions in survival and reproductive output after 3 weeks ...

journal_title：Environmental toxicology and chemistry

authors： Sverdrup LE,Jensen J,Krogh PH,Stenersen J

更新日期：2002-03-01 00:00:00

abstract：:Levels and distribution of polybrominated diphenyl ethers (PBDEs) in various tissues of hens foraging near an electronic wastes stack spot in Taizhou, China, were studied. With high-resolution gas chromatography/negative chemical ionization mass spectrometry analysis, 37 PBDE congeners from di- to hepta-brominated and...

journal_title：Environmental toxicology and chemistry

authors： Liang SX,Zhao Q,Qin ZF,Zhao XR,Yang ZZ,Xu XB

更新日期：2008-06-01 00:00:00

abstract：:In this study, mixtures of five herbicide-formulated products (atrazine, dicamba, fluometuron, metolachlor, and sulfentrazone) were applied to soil microcosm columns in increasing concentrations. The toxic impact of herbicides on the indigenous beta-subclass Proteobacteria autotrophic ammonia-oxidizer (beta-AAO) commu...

journal_title：Environmental toxicology and chemistry

authors： Chang YJ,Hussain AK,Stephen JR,Mullen MD,White DC,Peacock A

更新日期：2001-11-01 00:00:00

abstract：:Pyrethroids are insecticides widely used to control pests and disease vectors in residential areas and agricultural lands. Pyrethroids are emerging pollutants, and their use is a growing concern because of their toxicity potential to aquatic organisms. Todos Santos Bay and the Punta Banda estuary, 2 coastal bodies loc...

journal_title：Environmental toxicology and chemistry

authors： Hernández-Guzmán FA,Macías-Zamora JV,Ramírez-Álvarez N,Alvarez-Aguilar A,Quezada-Hernández C,Fonseca AP

更新日期：2017-11-01 00:00:00

abstract：:Daphnia magna is a widely used model organism for aquatic toxicity testing. In the present study, the authors investigated the hydrolytic enzyme activity of D. magna after exposure to toxicant stress. In vivo enzyme activity was quantified using 15 fluorogenic enzyme probes based on 4-methylumbelliferyl or 7-amino-4-m...

journal_title：Environmental toxicology and chemistry

authors： Ørsted M,Roslev P

更新日期：2015-08-01 00:00:00

abstract：:Marine sediments accumulate a variety of contaminants and, in some cases, demonstrate toxicity because of this contamination. Toxicity identification evaluation (TIE) methods provide tools for identifying the toxic chemicals causing sediment toxicity. Currently, whole-sediment TIE methods are not available for anionic...

journal_title：Environmental toxicology and chemistry

authors： Burgess RM,Perron MM,Cantwell MG,Ho KT,Pelletier MC,Serbst JR,Ryba SA

更新日期：2007-01-01 00:00:00

abstract：:The internalized speciation of lead in roots and leaves of Sesbania drummondii, a lead hyperaccumulator, grown in lead nitrate solution was studied using x-ray absorption near-edge structure and extended x-ray absorption fine structure. Lead was predominantly present as lead acetate in both plant tissues. The other do...

journal_title：Environmental toxicology and chemistry

authors： Sharma NC,Gardea-Torresdey JL,Parsons J,Sahi SV

更新日期：2004-09-01 00:00:00

abstract：:The use of passive sampling devices (PSDs) for monitoring hydrophobic organic contaminants in aquatic environments can entail logistical constraints that often limit a comprehensive statistical sampling plan, thus resulting in a restricted number of samples. The present study demonstrates an approach for using the res...

journal_title：Environmental toxicology and chemistry

authors： Matzke MM,Allan SE,Anderson KA,Waters KM

更新日期：2012-12-01 00:00:00

abstract：:A series of atomistic simulations was performed to assess the ability of the Schulten dissolved organic matter (DOM) molecule, a well-established model humic molecule, to reproduce the physical and chemical behavior of natural humic substances. The unhydrated DOM molecule had a bulk density value appropriate to humic ...

journal_title：Environmental toxicology and chemistry

authors： Sutton R,Sposito G,Diallo MS,Schulten HR

更新日期：2005-08-01 00:00:00

abstract：:As part of a research effort examining system-wide responses of the hypothalamic-pituitary-gonadal (HPG) axis in fish to endocrine-active chemicals (EACs) with different modes of action, zebrafish (Danio rerio) were exposed to 25 or 100 microg/L of the aromatase inhibitor fadrozole for 24, 48, or 96 h. Global transcri...

journal_title：Environmental toxicology and chemistry

authors： Villeneuve L,Wang RL,Bencic DC,Biales AD,Martinović D,Lazorchak JM,Toth G,Ankley GT

更新日期：2009-08-01 00:00:00

abstract：:A method is presented for extending the target lipid model (TLM) of narcotic toxicity to polar narcotic chemicals. The proposed polyparameter TLM extends the applicability of the TLM by including polar compounds and removing explicit chemical class corrections. The validity of the model is tested using a data set of 1...

journal_title：Environmental toxicology and chemistry

authors： Kipka U,Di Toro DM

更新日期：2009-07-01 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：:Ammonium nitrate (NH(4)NO(3)) is a common water pollutant associated with many industrial and municipal activities. One solution to reduce exposure of sensitive aquatic systems to nitrogenous compounds is to atomize (atmospherically disperse in fine particles) contaminated water over the Arctic tundra, which will redu...

journal_title：Environmental toxicology and chemistry

authors： Anaka A,Wickstrom M,Siciliano SD

更新日期：2008-08-01 00:00:00

abstract：:Locomotor behavior in terrestrial organisms is crucial for burrowing, avoiding predators, food seeking, migration, and reproduction; therefore, it is a parameter with ecological relevance. Acetylcholinesterase (AChE) is a nervous system enzyme inhibited by several compounds and widely used as an exposure biomarker in ...

journal_title：Environmental toxicology and chemistry

authors： Engenheiro EL,Hankard PK,Sousa JP,Lemos MF,Weeks JM,Soares AM

更新日期：2005-03-01 00:00:00

abstract：:The chronic toxicity of ammonia to tropical freshwater species is understudied, and thus data on temperate species have been used to derive water quality guideline values for tropical regions. Such practices may lead to underprotective guideline values due to differences in toxicities observed between tropical and tem...

journal_title：Environmental toxicology and chemistry

authors： Mooney TJ,Pease CJ,Hogan AC,Trenfield M,Kleinhenz LS,Humphrey C,van Dam RA,Harford AJ

更新日期：2019-01-01 00:00:00

abstract：:Total mercury and stable isotopes of nitrogen (δ(15) N) were measured in samples from 57 species of invertebrates (17 species) and finfish (40 species) from the coastal waters off southwest Florida, USA, to evaluate the biomagnification of mercury through the food web. Mercury concentrations (wet wt) and δ(15) N value...

journal_title：Environmental toxicology and chemistry

authors： Thera JC,Rumbold DG

更新日期：2014-01-01 00:00:00

abstract：:The present study reports a 48-h aquatic metal-toxicity assay based on daily growth rates of the red seaweed Gracilaria domingensis (Gracilariales, Rhodophyta) in synthetic seawater. The median inhibitory concentration (IC50) for each metal cation was experimentally determined, and the ratios of free ions (aqueous com...

journal_title：Environmental toxicology and chemistry

authors： Mendes LF,Zambotti-Villela L,Yokoya NS,Bastos EL,Stevani CV,Colepicolo P

更新日期：2013-11-01 00:00:00

abstract：:As a persistent bioaccumulative compound, perfluorooctanoic acid (PFOA) is found in various ecosystems and receives growing attention. The acute toxicity of PFOA was tested on 2 freshwater microalgae, Chlamydomonas reinhardtii and Scenedesmus obliquus. The 96-h concentration for 50% of maximal effect (EC50) values wer...

journal_title：Environmental toxicology and chemistry

authors： Hu C,Luo Q,Huang Q

更新日期：2014-05-01 00:00:00

abstract：:The effects of chromium on the life history and demography of Dinophilus gyrociliatus (Polychaeta) were studied on a control and three treated cohorts kept in artificial seawater enriched with nominal concentrations of chromium at 1.0, 1.4, and 1.6 microg/ml. Survival and fecundity were significantly reduced by chromi...

journal_title：Environmental toxicology and chemistry

authors： Mauri M,Simonini R,Baraldi E

更新日期：2002-09-01 00:00:00

abstract：:The influence of dissolved organic carbon (DOC) and water composition on the toxicity of copper to juvenile freshwater mussels (fatmucket, Lampsilis siliquoidea) were evaluated in natural and reconstituted waters. Acute 96-h copper toxicity tests werec onducted at four nominal DOC concentrations (0, 2.5, 5, and 10 mg/...

journal_title：Environmental toxicology and chemistry

authors： Wang N,Mebane CA,Kunz JL,Ingersoll CG,May TW,Arnold WR,Santore RC,Augspurger T,Dwyer J,Barnhart MC

更新日期：2009-11-01 00:00:00

abstract：:We measured concentrations of polychlorinated biphenyls (PCBs), polychlorinated dibenzo-p-dioxins (PCDDs), and polychlorinated dibenzofurans (PCDFs) in northern leopard frogs collected from the Green Bay ecosystem and explored the catalytic activity of hepatic cytochrome P450-associated monooxygenase (P450 enzyme) as ...

journal_title：Environmental toxicology and chemistry

authors： Huang YW,Karasov WH,Patnode KA,Jefcoate CR

更新日期：1999-10-01 00:00:00

abstract：:Knowledge of Hg speciation in tissue is valuable for assessing potential toxicological effects in fish. Direct Hg analyzers, which use thermal decomposition and atomic absorption spectrometry, have recently gained popularity for determining organic Hg after procedural solvent extraction from some environmental media, ...

journal_title：Environmental toxicology and chemistry

authors： Barst BD,Hammerschmidt CR,Chumchal MM,Muir DC,Smith JD,Roberts AP,Rainwater TR,Drevnick PE

更新日期：2013-06-01 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：:A systematic comparison of Cu toxicity thresholds was made between freshly spiked soils and soils in which elevated Cu concentrations have been present for various times. Three uncontaminated soils were spiked and experimentally leached or incubated outdoors for up to 18 months. Additionally, five field-contaminated s...

journal_title：Environmental toxicology and chemistry

authors： Oorts K,Bronckaers H,Smolders E

更新日期：2006-03-01 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：:Organophosphate and carbamate compounds are among the most widely used pesticides. Contamination of surface water by these compounds is of concern because of potential toxicity to aquatic organisms, especially those at lower trophic levels. In this study we evaluated the persistence of diazinon, chlorpyrifos, malathio...

journal_title：Environmental toxicology and chemistry

authors： Bondarenko S,Gan J,Haver DL,Kabashima JN

更新日期：2004-11-01 00:00:00