Heavy metal content in liver and kidneys of grey seals (Halichoerus grypus) in various life stages correlated with metallothionein levels: Some metal-binding characteristics of this protein.

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：:Soil tests have been widely developed to predict trace metal uptake by plants. The prediction of metal toxicity, however, has rarely been tested. The present study was set up to compare 8 established soil tests for diagnosing phytotoxicity in contaminated soils. Nine soils contaminated with Zn or Cu by metal mining, s...

journal_title：Environmental toxicology and chemistry

authors： Hamels F,Malevé J,Sonnet P,Kleja DB,Smolders E

更新日期：2014-11-01 00:00:00

abstract：:Phthalic acid esters are frequently detected in aquatic environments. In the present study, zebrafish were exposed to low concentrations (0 µg/L, 0.46 µg/L, 4.0 µg/L, and 37.5 µg/L) of mono-(2-ethylhexyl) phthalate (MEHP) for 81 d, and the effects on reproduction, gamete quality, plasma vitellogenin (VTG), sex steroid...

journal_title：Environmental toxicology and chemistry

authors： Zhu Y,Hua R,Zhou Y,Li H,Quan S,Yu Y

更新日期：2016-08-01 00:00:00

abstract：:The Cache Slough complex is an area of tidal sloughs in the Sacramento-San Joaquin River Delta of California (USA), and is surrounding by irrigated agricultural lands. Among the species of concern in the area is the delta smelt (Hypomesus transpacificus), a federally listed threatened species. Releases of the organoph...

journal_title：Environmental toxicology and chemistry

authors： Weston DP,Asbell AM,Lesmeister SA,Teh SJ,Lydy MJ

更新日期：2014-04-01 00:00:00

abstract：:Polycyclic aromatic hydrocarbons (PAH) and black carbon (BC) were measured in alpine Lake Planina (Slovenia) sediment. Lake Planina is a remote mountain lake with almost no direct anthropogenic influence. Long-distance atmospheric deposition is a major pathway for the loading of contaminants to the sediment. The PAH w...

journal_title：Environmental toxicology and chemistry

authors： Muri G,Wakeham SG,Faganeli J

更新日期：2003-05-01 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 2 most abundant polycyclic aromatic hydrocarbons (PAHs) measured in Deepwater Horizon crude oil, naphthalene and phenanthrene, and their associated homologs have both been shown to be acutely toxic in fish. Although fish have a relatively high metabolic capacity for PAHs, hydroxylated PAH (OH-PAH) derivatives form...

journal_title：Environmental toxicology and chemistry

authors： Pulster EL,Main K,Wetzel D,Murawski S

更新日期：2017-11-01 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：:We examined the subcellular partitioning of zinc (Zn) in Daphnia magna both under acute and chronic exposures. In the acute Zn toxicity tests, the daphnids were exposed to different Zn concentrations for 48 h or to one lethal concentration (1,000 microg/L) for different durations (time to death for up to 47 h). Signif...

journal_title：Environmental toxicology and chemistry

authors： Wang WX,Guan R

更新日期：2010-08-01 00:00:00

abstract：:Pharmaceuticals released into aquatic systems are expected to sorb to sediments to varying degrees. Their sorption is likely to influence their fate and, ultimately, the risk they pose to aquatic organisms. This has led to the European Medicines Agency requiring an assessment of affinity to solids, using batch sorptio...

journal_title：Environmental toxicology and chemistry

authors： Williams M,Ong PL,Williams DB,Kookana RS

更新日期：2009-12-01 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：:The European Union System for the Evaluation of Substances (EUSES) is a computerized model system to facilitate and harmonize health and environmental risk assessment of previously notified and new substances. For calculation of regional background exposure, a multimedia distribution model is used. In the present stud...

journal_title：Environmental toxicology and chemistry

authors： Matthies M,Berding V,Beyer A

更新日期：2004-10-01 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：:Potentially toxic levels of 3 naturally occurring chemical stressors (dissolved sulfide, ammonia, and iron) can appear in freshwater sediments, although their roles in shaping ecosystem structure (i.e., plant and animal communities) and function (e.g., biologically mediated elemental cycles) have received little study...

journal_title：Environmental toxicology and chemistry

authors： Kinsman-Costello LE,O'Brien JM,Hamilton SK

更新日期：2015-03-01 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：:A theoretical analysis was performed to examine the role of naphthalene dioxygenase (NDO) enzymes in determining differences in biodegradability and biodegradation rates of two- to four-ring polycyclic aromatic hydrocarbons (PAHs) via oxygenation and desaturation reactions. Investigation of the thermodynamics of PAH b...

journal_title：Environmental toxicology and chemistry

authors： Wammer KH,Peters CA

更新日期：2006-04-01 00:00:00

abstract：:The fish acute toxicity test method is foundational to aquatic toxicity testing strategies, yet the literature lacks a concise sample size assessment. Although various sources address sample size, historical precedent seems to play a larger role than objective measures. We present a novel and comprehensive quantificat...

journal_title：Environmental toxicology and chemistry

authors： Carr GJ,Bailer AJ,Rawlings JM,Belanger SE

更新日期：2018-06-01 00:00:00

abstract：:Halogenated derivatives of nonylphenol and of its alkylates are generated during drinking water disinfection and treatment procedures. In this paper we analyze the potential of these compounds to interact with the estrogen receptor and to activate hormone-regulated gene promoters. We used the recombinant yeast assay (...

journal_title：Environmental toxicology and chemistry

authors： García-Reyero N,Requena V,Petrovic M,Fischer B,Hansen PD,Díaz A,Ventura F,Barceló D,Piña B

更新日期：2004-03-01 00:00:00

abstract：:We conducted a seasonal study of the uptake of Cd, Se(IV), and Zn by natural phytoplankton assemblages collected from two locations in Hong Kong coastal waters. Marine phytoplankton in Port Shelter was dominated by diatoms and cyanobacteria, while phytoplankton in Tolo Harbour was dominated by dinoflagellates. The nat...

journal_title：Environmental toxicology and chemistry

authors： Wang WX,Dei RC,Hong H

更新日期：2005-01-01 00:00:00

abstract：:Insectivorous passerines often bioaccumulate polychlorinated biphenyls (PCBs) via trophic transfer processes. Tree swallows (Tachycineta bicolor) frequently are used for estimating PCB bioaccumulation, yet the focus on specific trophic links between contaminated sediment and bird has been limited. Bioaccumulation of P...

journal_title：Environmental toxicology and chemistry

authors： Maul JD,Belden JB,Schwab BA,Whiles MR,Spears B,Farris JL,Lydy MJ

更新日期：2006-04-01 00:00:00

abstract：:Nanoparticles of TiO2, ZrO2, AL2O3, CeO2, fullerene (C60), single-walled carbon nanotubes, and polymethylmethacrylate were tested for ecotoxic effects using one or more ecotoxicity endpoints: Microtox (bacteria), pulse-amplitude modulation (algae), Chydotox (crustaceans), and Biolog (soil enzymes). No appreciable effe...

journal_title：Environmental toxicology and chemistry

authors： Velzeboer I,Hendriks AJ,Ragas AM,Van de Meent D

更新日期：2008-09-01 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：: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：:Ecotoxicology research on polychlorinated biphenyl (PCB) mixtures has focused principally on short-term effects on reproduction, growth, and other physiological endpoints. Latent cognitive effects from early life exposure to low-level PCBs were examined in an avian model, the European starling (Sturnus vulgaris). Thir...

journal_title：Environmental toxicology and chemistry

authors： Zahara AR,Michel NL,Flahr LM,Ejack LE,Morrissey CA

更新日期：2015-11-01 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：:Pharmaceuticals and personal care products (PPCPs) are emerging contaminants that have been found ubiquitously in wastewater and surface waters around the world. A major source of these compounds is incomplete metabolism in humans and subsequent excretion in human waste, resulting in discharge into surface waters by w...

journal_title：Environmental toxicology and chemistry

authors： Niemuth NJ,Jordan R,Crago J,Blanksma C,Johnson R,Klaper RD

更新日期：2015-02-01 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：:We conducted acute lethality tests with white sturgeon (Acipenser transmontanus) and Ceriodaphnia dubia exposed to copper and zinc at dissolved organic carbon concentrations ranging from 0.5 to 5.5 mg/L. Dissolved organic carbon had minimal effects on zinc toxicity but did have a protective effect on acute copper toxi...

journal_title：Environmental toxicology and chemistry

authors： Ivey CD,Besser JM,Steevens JA,Walther MJ,Melton VD

更新日期：2019-12-01 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：: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