Dicofol residues in eggs and carcasses of captive American kestrels.

abstract：:Stenotrophomonas sp. CD02 was isolated from a site that previously had been contaminated with high concentrations of the heavy metals cadmium (3 mg kg(-1)) and chromium (115 mg kg(-1)). This strain was able to grow on complex (Luria Bertani) medium containing high concentrations of cadmium ion (up to 4 mM). Additional...

journal_title：Environmental toxicology and chemistry

authors： Chien CC,Hung CW,Han CT

更新日期：2007-04-01 00:00:00

abstract：:Melano-macrophage aggregates, collections of specialized cells of the innate immune system of fish, are considered a general biomarker for contaminant toxicity. To elucidate further the relationship between macrophage aggregates and metals exposure, yelloweye rockfish (Sebastes ruberrimus), a long-lived species, were ...

journal_title：Environmental toxicology and chemistry

authors： Barst BD,Bridges K,Korbas M,Roberts AP,Van Kirk K,McNeel K,Drevnick PE

更新日期：2015-08-01 00:00:00

abstract：:New techniques and software have enabled ubiquitous use of structure-activity relationships (SARs) in the pharmaceutical industry and toxicological sciences. We review the status of SAR technology by using examples to underscore the advances as well as the unique technical challenges. Applying SAR involves two steps: ...

journal_title：Environmental toxicology and chemistry

authors： Tong W,Welsh WJ,Shi L,Fang H,Perkins R

更新日期：2003-08-01 00:00:00

abstract：:Sediments in urban waterways of Guangzhou, China, were contaminated by a variety of chemicals and showed prevalent toxicity to benthic organisms. A combination of whole-sediment toxicity identification evaluation (TIE) and bioavailability-based extraction was used to identify the causes of sediment toxicity. Of the 6 ...

journal_title：Environmental toxicology and chemistry

authors： Yi X,Li H,Ma P,You J

更新日期：2015-08-01 00:00:00

abstract：:Loewe's additivity (concentration addition) is a well-known model for predicting the toxic effects of chemical mixtures under the additivity assumption of toxicity. However, from the perspective of chemical risk assessment and/or management, it is important to identify chemicals whose toxicities are additive when pres...

journal_title：Environmental toxicology and chemistry

authors： Takeshita J,Seki M,Kamo M

更新日期：2016-07-01 00:00:00

abstract：:A selective pressurized liquid extraction technique was developed for the simultaneous extraction of polychlorinated dibenzo-p-dioxins/dibenzofurans (PCDD/Fs) and dioxin-like polychlorinated biphenyls (dl-PCBs) from contaminated sediments. The final method incorporated cleanup adsorbents (Florisil, alumina, and silica...

journal_title：Environmental toxicology and chemistry

authors： Aguilar L,Williams ES,Brooks BW,Usenko S

更新日期：2014-07-01 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：:This study investigates reproductive impairment and biochemical changes in fathead minnow (Pimephales promelas) exposed for 39 d to varying concentrations of perfluorooctanoic acid (PFOA) under microcosm conditions. While the concentrations tested in this study were much higher than those normally found in the environ...

journal_title：Environmental toxicology and chemistry

authors： Oakes KD,Sibley PK,Solomon KR,Mabury SA,Van der Kraak GJ

更新日期：2004-08-01 00:00:00

abstract：:Quantitative mussel biomonitoring studies often use laboratory-measured whole-body elimination rate coefficients (k(tot) in conjunction with concentration data from field-deployed mussels to estimate bioavailable steady-state contaminant concentrations (C(m(ss)) in aquatic systems. However, the validity of applying la...

journal_title：Environmental toxicology and chemistry

authors： Raeside AA,O'Rourke SM,Drouillard KG

更新日期：2009-02-01 00:00:00

abstract：:The risk associated with wood extractives, biocides, and other additives in pulp and paper mill effluents was evaluated by performing a characterization of process waters and effluents in terms of toxicity and chemical analysis. The individual toxicity of 10 resin acids, two unsaturated fatty acids, and three biocides...

journal_title：Environmental toxicology and chemistry

authors： Rigol A,Latorre A,Lacorte S,Barceló D

更新日期：2004-02-01 00:00:00

abstract：:Bis(2-ethylhexyl) tetrabromophthalate (TBPH), a high production volume flame retardant chemical used as a replacement for banned flame retardants, has been detected in media and human and wildlife tissues globally. We describe bioaccumulation and biological effects from dietary exposure of TBPH to an estuarine fish, A...

journal_title：Environmental toxicology and chemistry

authors： Nacci D,Clark B,La Guardia MJ,Miller K,Champlin D,Kirby I,Bertrand A,Jayaraman S

更新日期：2018-09-01 00:00:00

abstract：:As part of the University of Michigan Dioxin Exposure Study, soil samples were collected from 766 residential properties near the Tittabawassee River between Midland and Saginaw; near the Dow Chemical Facility in Midland; and, for comparison, in the other areas of Midland and Saginaw Counties and in Jackson and Calhou...

journal_title：Environmental toxicology and chemistry

authors： Towey TP,Chang SC,Demond A,Wright D,Barabás N,Franzblau A,Garabrant DH,Gillespie BW,Lepkowski J,Luksemburg W,Adriaens P

更新日期：2010-01-01 00:00:00

abstract：:Few studies have investigated the effects of mercury (Hg) on wild fish from remote areas, even though these fish can have high total Hg concentrations. In Kejimkujik National Park and National Historic Site (KNPNHS), Nova Scotia, Canada, concentrations of total Hg in many yellow perch (Perca flavescens) currently exce...

journal_title：Environmental toxicology and chemistry

authors： Batchelar KL,Kidd KA,Drevnick PE,Munkittrick KR,Burgess NM,Roberts AP,Smith JD

更新日期：2013-03-01 00:00:00

abstract：:Glyphosate is a commonly used herbicide known for its high performance in killing certain plants and grasses; however, its use is regulated due to its harmful effects on the aquatic environment. The present study investigated and compared the toxic mechanisms of glyphosate on Microcystis aeruginosa (a toxin-producing ...

journal_title：Environmental toxicology and chemistry

authors： Wang W,Jiang M,Sheng Y

更新日期：2021-02-01 00:00:00

abstract：:Firemaster 550 and Firemaster BZ-54 are two brominated formulations that are in use as replacements for polybrominated diphenyl ether (PBDE) flame retardants. Two major components of these mixtures are 2,3,4,5-tetrabromo-ethylhexylbenzoate (TBB) and 2,3,4,5-tetrabromo-bis(2-ethylhexyl) phthalate (TBPH). Both have been...

journal_title：Environmental toxicology and chemistry

authors： Bearr JS,Stapleton HM,Mitchelmore CL

更新日期：2010-03-01 00:00:00

abstract：:Hydrocarbon-inducible cytochrome P4501A (CYP1A) expression was measured, as ethoxyresorufin-O-deethylase (EROD) activity, in livers of wintering harlequin ducks (Histrionicus histrionicus) captured in areas of Prince William Sound, Alaska, USA, oiled by the 1989 Exxon Valdez spill and in birds from nearby unoiled area...

journal_title：Environmental toxicology and chemistry

authors： Esler D,Trust KA,Ballachey BE,Iverson SA,Lewis TL,Rizzolo DJ,Mulcahy DM,Miles AK,Woodin BR,Stegeman JJ,Henderson JD,Wilson BW

更新日期：2010-05-01 00:00:00

abstract：:The present study assessed the effects of maternal copper or cadmium exposure in a live-bearing fish. After a 10-d exposure to background levels (control) or 0.15 μM copper or cadmium, gravid females were transferred to clean water. Once a female gave birth, the authors analyzed her newborn offspring for lipid peroxid...

journal_title：Environmental toxicology and chemistry

authors： Cazan AM,Klerks PL

更新日期：2015-06-01 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：:The aim of the present study was to assess the responses of the gonopodium morphology and the gonadal and liver histology of adult male Cnesterodon decemmaculatus to sublethal long-term exposure concentrations of 17α-ethinylestradiol (EE2). Two experiments were conducted exposing the fish to waterborne concentrations ...

journal_title：Environmental toxicology and chemistry

authors： Young BJ,López GC,Cristos DS,Crespo DC,Somoza GM,Carriquiriborde P

更新日期：2017-07-01 00:00:00

abstract：:Physiologically based toxicokinetic (PBTK) modeling enables researchers to predict internal tissue concentrations for various species exposed to exogenous compounds through different routes at varying concentrations without having to run in vivo experiments for each scenario. Parameters for the models may be gathered ...

journal_title：Environmental toxicology and chemistry

authors： Edhlund I,Lee C

更新日期：2019-05-01 00:00:00

abstract：:Multispecies stream microcosms were used to test the toxicity of the pyrethroid fenvalerate (FV) associated with suspended particles in order to simulate a typical runoff exposure scenario. Stream microcosms were exposed for 1 h in triplicate to 0.0, 13.6, 136, or 1,365 microg/kg FV and effects were monitored for 93 d...

journal_title：Environmental toxicology and chemistry

authors： Schulz R,Liess M

更新日期：2001-04-01 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：: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：: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：:In vitro extraction of sediments using digestive fluid of deposit-feeding invertebrates has been advocated as a measure of in vivo bioavailability, but the standard procedure used for the extractions alters fluid properties relative to in vivo conditions. In vivo fluid properties (redox potential [Eh], pH, dissolved o...

journal_title：Environmental toxicology and chemistry

authors： Weston DP,Judd JR,Mayer LM

更新日期：2004-08-01 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：: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：: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：:Mercury contamination in wetland biota is often dynamic, difficult to predict, and costly to track. In this paper, we present results from a six-year study of growing feathers of piscivorous birds as monitors of wetland Hg exposure in Florida, USA, wetlands. Between 1994 and 2000, we collected feathers of growing grea...

journal_title：Environmental toxicology and chemistry

authors： Frederick PC,Spalding MG,Dusek R

更新日期：2002-01-01 00:00:00

abstract：:Huge aggregations of flightless locust nymphs pose a serious threat to agriculture when they reach plague proportions but provide a very visible and nutritious resource for native birds. Locust outbreaks occur in spring and summer months in semiarid regions of Australia. Fenitrothion, an organophosphate pesticide, is ...

journal_title：Environmental toxicology and chemistry

authors： Fildes K,Astheimer LB,Story P,Buttemer WA,Hooper MJ

更新日期：2006-11-01 00:00:00