Heavy metals in seawater, sediments, and biota from the coastal area of Yancheng City, China.

abstract：:The N-2-hydroxyethylpiperazine-N'-2-ethanesulfonic acid (HEPES) is extensively used as pH buffer in culture media for testing chemicals. However, this study demonstrates that 0.01 M HEPES significantly reduces the rate of Cu, Pb, and Cd binding to Porphyra spp. and Enteromorpha spp. marine macroalgae. The HEPES also d...

journal_title：Environmental toxicology and chemistry

authors： Vasconcelos MT,Leal MF

更新日期：2002-02-01 00:00:00

abstract：:Flexible, rapid, and predictive approaches that do not require the use of large numbers of vertebrate test animals are needed because the chemical universe remains largely untested for potential hazards. Development of robust new approach methodologies and nontesting approaches requires the use of existing information...

journal_title：Environmental toxicology and chemistry

authors： Connors KA,Beasley A,Barron MG,Belanger SE,Bonnell M,Brill JL,de Zwart D,Kienzler A,Krailler J,Otter R,Phillips JL,Embry MR

更新日期：2019-05-01 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：: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：:In the Midwestern United States, waterways such as the Elkhorn River experience an annual spring pulse of runoff that carries sediments, nutrients, and organic compounds downstream. The objective of the present study was to elucidate relationships between contaminant load in Elkhorn River water and biological impacts ...

journal_title：Environmental toxicology and chemistry

authors： Ali JM,Kolok AS

更新日期：2015-06-01 00:00:00

abstract：:The present study evaluated Se bioaccumulation in four waterbird species (n=206 birds) that breed within San Francisco Bay, California, U.S.A.: American avocets (Recurvirostra americana), black-necked stilts (Himantopus mexicanus), Forster's terns (Sterna forsteri), and Caspian terns (Hydroprogne caspia). Selenium con...

journal_title：Environmental toxicology and chemistry

authors： Ackerman JT,Eagles-Smith CA

更新日期：2009-10-01 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：: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：: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：:This article reports the results of various biodegradation experiments on polychlorinated biphenyl (PCB)-contaminated sandy soil employing a mixed culture of acclimatized bacteria. Following the optimization of different variables without chemical pretreatment, the elimination rate achieved of Aroclor 1242 in slurry-p...

journal_title：Environmental toxicology and chemistry

authors： Manzano MA,Perales JA,Sales D,Quiroga JM

更新日期：2003-04-01 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：:In this study, biphenyl-2,2',6,6'-tetracarbaldehyde, an initial byproduct formed from the ozonation of pyrene, and biphenyl-2,2',6,6'-tetracarboxylic acid, a subsequent pyrene ozonation byproduct, were evaluated using two toxicology assays to compare the toxicity of ozonation byproducts with that of the parent compoun...

journal_title：Environmental toxicology and chemistry

authors： Luster-Teasley SL,Ganey PE,DiOrio M,Ward JS 3rd,Maleczka RE Jr,Trosko JE,Masten SJ

更新日期：2005-03-01 00:00:00

abstract：:The majority of studies on pesticide impacts have evaluated the effects of single exposures. However, multiple exposures to a pesticide may be more prevalent. The objective of our study was to determine how multiple exposures versus single exposure at different times during development affected survival to metamorphos...

journal_title：Environmental toxicology and chemistry

authors： Boone MD,Bridges CM

更新日期：2003-11-01 00:00:00

abstract：:Intersex in wild fish populations has received considerable attention in the scientific literature and public media. Conventional detection of testicular oocytes, the presence of immature oocytes within testis of male fish, commonly employs transverse sectioning of excised testis and is lethal. The present study used ...

journal_title：Environmental toxicology and chemistry

authors： MacLeod AH,Blazer VS,Matsche MA,Yonkos LT

更新日期：2017-07-01 00:00:00

abstract：:Ionic silver is toxic to aquatic organisms at low concentrations. However, complexation to binding sites on natural organic matter has been shown to reduce silver toxicity. Research indicates that there is a need to develop reliable methods for characterizing silver binding at very low silver ion concentrations where ...

journal_title：Environmental toxicology and chemistry

authors： Rader KJ,Shadi TS,Mahony JD,Di Toro DM

更新日期：2005-11-01 00:00:00

abstract：:Sheepshead minnows (Cyprinodon variegatus) were continuously exposed to two concentrations of polycyclic aromatic hydrocarbons (PAHs) dissolved in seawater (sigma PAH = 7.57 and 72.31 microg/L) for 36 d, followed by 8 d of depuration. The PAHs studied were naphthalene (NPH or C0-NPH), phenanthrene (PHE or C0-PHE), pyr...

journal_title：Environmental toxicology and chemistry

authors： Jonsson G,Bechmann RK,Bamber SD,Baussant T

更新日期：2004-06-01 00:00:00

abstract：:To evaluate the use of morphological abnormalities for standard testing of endocrine-disrupting substances (EDS), we tested the hypothesis that developmental abnormalities are a sensitive indicator of exposure to waterborne estrogenic and antiestrogenic EDS during embryonic, larval, and juvenile stages in the common e...

journal_title：Environmental toxicology and chemistry

authors： Boudreau M,Courtenay SC,MacLatchy DL,Bérubé CH,Parrott JL,Van der Kraak GJ

更新日期：2004-02-01 00:00:00

abstract：:Six-month-old lesser scaup (Aythya affinis) and nestling tree swallows (Tachycineta bicolor) were injected intraperitoneally with beta-naphthoflavone (BNF) in corn oil or in vehicle alone. Liver samples were taken and stored at -80 degrees C until microsome preparation and monooxygenase assay. Skin samples were placed...

journal_title：Environmental toxicology and chemistry

authors： Melancon MJ,Kutay AL,Woodin BR,Stegeman JJ

更新日期：2006-10-01 00:00:00

abstract：:The U.S. National Institute of Standards and Technology (NIST) petroleum crude oil was used to generate NIST water-accommodated hydrocarbon fractions (WAFs) for standardized assessment of crude oil effects on the copepod Amphiascus tenuiremis. Effects were assessed using a 96-well microplate, full life-cycle test. Bri...

journal_title：Environmental toxicology and chemistry

authors： Bejarano AC,Chandler GT,He L,Cary TL,Ferry JL

更新日期：2006-07-01 00:00:00

abstract：:Pyrethroid insecticide use in California, USA, is growing, and there is a need to understand the fate of these compounds in the environment. Concentrations and toxicity were assessed in streambed sediment of the San Joaquin Valley of California, one of the most productive agricultural regions of the United States. Con...

journal_title：Environmental toxicology and chemistry

authors： Domagalski JL,Weston DP,Zhang M,Hladik M

更新日期：2010-04-01 00:00:00

abstract：:Deposit-feeders may be important in facilitating the removal of organic contaminants from bulk sediment. The relationship between uptake route (water vs sediment), depuration and toxicity was investigated in the deposit-feeding polychaete Capitella species I. Individual worms were exposed either to dissolved (i.e., < ...

journal_title：Environmental toxicology and chemistry

authors： Selck H,Palmqvist A,Forbes VE

更新日期：2003-10-01 00:00:00

abstract：:Pyrethroids are widely used insecticides, but minimal information has been published on their presence in municipal wastewater in the United States. Pyrethroids in wastewater from the Sacramento, California, USA, area consisted of permethrin, bifenthrin, cypermethrin, and cyhalothrin, with a combined concentration of ...

journal_title：Environmental toxicology and chemistry

authors： Weston DP,Ramil HL,Lydy MJ

更新日期：2013-11-01 00:00:00

abstract：:High-molecular weight petroleum hydrocarbons (HMWPHs) are a common pollutant in urban freshwater sediments. A previous study found that HMWPHs derived from synthetic oils are detrimental to aquatic benthic macroinvertebrates at concentrations greater than 840 mg/kg, but it is unclear what effect hydrocarbons derived f...

journal_title：Environmental toxicology and chemistry

authors： Anson JR,Pettigrove V,Carew ME,Hoffmann AA

更新日期：2008-05-01 00:00:00

abstract：:A set of 69 concentration-response curves from 5 acute ecotoxicity assays was fitted with a 2-parameter logistic equation. High correlation between values of regression parameters suggested similar slopes of the curves. This enabled derivation of the empirical single-parameter logistic equation with the sole median ef...

journal_title：Environmental toxicology and chemistry

authors： Trögl J,Benediktová K,Pilařová V,Synek V

更新日期：2013-10-01 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：: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：:The increased application of nanoparticles (NPs) is increasing the risk of their release into the environment. Although many toxicity studies have been conducted, the environmental risk is difficult to estimate, because uptake mechanisms are often not determined in toxicity studies. In the present study, the authors r...

journal_title：Environmental toxicology and chemistry

authors： Kettler K,Veltman K,van de Meent D,van Wezel A,Hendriks AJ

更新日期：2014-03-01 00:00:00

abstract：:The use of aqueous film-forming foam (AFFF) has resulted in the widespread occurrence of per- and polyfluoroalkyl substances (PFAS) in groundwater, drinking water, soils, sediments, and receiving waters throughout the United States and other countries. We present the research and development efforts to date by the Str...

journal_title：Environmental toxicology and chemistry

authors： Leeson A,Thompson T,Stroo HF,Anderson RH,Speicher J,Mills MA,Willey J,Coyle C,Ghosh R,Lebrón C,Patton C

更新日期：2021-01-01 00:00:00

abstract：:Atmospherically deposited contaminants in the Sierra Nevada mountains of California, USA have been implicated as adversely affecting amphibians and fish, yet little is known about the distributions of contaminants within the mountains, particularly at high elevation. The hypothesis that contaminant concentrations in a...

journal_title：Environmental toxicology and chemistry

authors： Bradford DF,Stanley K,McConnell LL,Tallent-Halsell NG,Nash MS,Simonich SM

更新日期：2010-05-01 00:00:00

abstract：:Sublethal test methods are being used with increasing frequency to measure sediment toxicity, but little is known about the relative sensitivity of these tests compared to the more commonly used acute tests. The present study was conducted to compare the sensitivity of several acute and sublethal methods and to invest...

journal_title：Environmental toxicology and chemistry

authors： Greenstein D,Bay S,Anderson B,Chandler GT,Farrar JD,Keppler C,Phillips B,Ringwood A,Young D

更新日期：2008-04-01 00:00:00