Measurement of triclosan in wastewater treatment systems.

abstract：:Methylmercury is the predominant chemical form of mercury reported in the eggs of wild birds, and the embryo is the most sensitive life stage to methylmercury toxicity. Protective guidelines have been based mainly on captive-breeding studies with chickens (Gallus gallus), mallards (Anas platyrhynchos), and ring-necked...

journal_title：Environmental toxicology and chemistry

authors： Stebbins KR,Klimstra JD,Eagles-Smith CA,Ackerman JT,Heinz GH

更新日期：2009-03-01 00:00:00

abstract：:A suite of mechanistic atmospheric and mercury (Hg) cycling and bioaccumulation models is applied to simulate atmospheric Hg deposition and Hg concentrations in the water column and in fish in a Hg-impaired freshwater lake located in the northeastern United States that receives its Hg loading primarily through deposit...

journal_title：Environmental toxicology and chemistry

authors： Vijayaraghavan K,Levin L,Parker L,Yarwood G,Streets D

更新日期：2014-06-01 00:00:00

abstract：:Hepatic vitellogenin (VTG) mRNA and plasma protein assays were developed for the Murray rainbowfish (Melanotaenia fluviatilis), a native freshwater fish species in Australia. Adult male Murray rainbowfish were exposed to 17β-estradiol (E2) or 17α-ethynylestradiol (EE2) at 0, 1, 5, 10, 50, or 100 ng/L in a semistatic s...

journal_title：Environmental toxicology and chemistry

authors： Woods M,Kumar A

更新日期：2011-11-01 00:00:00

abstract：:Uptake of cadmium from water by freshwater animals has been well documented. However, little attention has been given to the importance of dietary and combined exposure as the source for uptake. In the present study, we compared cadmium uptake from waterborne (water-only), dietary (food-only), and combined (water plus...

journal_title：Environmental toxicology and chemistry

authors： Sofyan A,Rosita G,Price DJ,Birge WJ

更新日期：2007-03-01 00:00:00

abstract：:Wetlands are important habitats and spawning grounds to a diverse wildlife population and are particularly vulnerable to adverse effects of endocrine disruptors. Many pesticides possess hormonal activity and have thus been classified as endocrine disruptors. A new analytical method based on ultrasonic-assisted extract...

journal_title：Environmental toxicology and chemistry

authors： Xue N,Li F,Hou H,Li B

更新日期：2008-05-01 00:00:00

abstract：:Strong positive correlations between selenium (Se) and total mercury (HgT) contents in the liver of marine mammals and mercury mine workers in modern times have been documented in numerous investigations. Herein, we report a positive correlation between Se and HgT concentrations over the past 1,500 years in the seal h...

journal_title：Environmental toxicology and chemistry

authors： Yin X,Sun L,Zhu R,Liu X,Ruan D,Wang Y

更新日期：2007-03-01 00:00:00

abstract：:Equilibrium passive sampling methods (EPSMs) allow quantification of freely dissolved contaminant concentrations (Cfree ) in sediment porewater. Polydimethylsiloxane (PDMS) is a convenient sampling polymer that can be equilibrated in field (in situ) or laboratory (ex situ) sediments to determine Cfree , providing reli...

journal_title：Environmental toxicology and chemistry

authors： Reininghaus M,Parkerton TF,Witt G

更新日期：2020-11-01 00:00:00

abstract：:Rapid expression of heat shock protein (hsp) families in response to a variety of stressors has been demonstrated in many organisms, including fish. The present 60-d challenge study was designed to compare hsp induction in juvenile Chinook salmon following exposure to individual pesticides, virus, and both stressors c...

journal_title：Environmental toxicology and chemistry

authors： Eder KJ,Köhler HR,Werner I

更新日期：2007-06-01 00:00:00

abstract：:In the presented study a laboratory experiment was conducted to investigate the transfer of polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and dioxin-like polychlorinated biphenyls (PCBs) from environmentally contaminated marine sediment to an infaunal surface deposit-feeding polycha...

journal_title：Environmental toxicology and chemistry

authors： Kono K,Tanaka H,Koyama J

更新日期：2010-07-01 00:00:00

abstract：:Polycyclic aromatic hydrocarbons (PAHs) and herbicides are important contaminants of world water systems with effects on aquatic organisms. The uptake of naphthalene, anthracene, and chrysene by gills of the bivalve mollusk Elliptio complanata was determined. Additionally, the effects of paraquat, atrazine, alachlor, ...

journal_title：Environmental toxicology and chemistry

authors： Birdsall K,Kukor JJ,Cheney MA

更新日期：2001-02-01 00:00:00

abstract：:Silver nanoparticles (Ag NPs) have been classified as the most abundant NP found in commercial products. In the present study, zebrafish (Danio rerio) and bacteria (Escherichia coli; ATCC 25922) were used to test the size-dependent toxicological effects of Ag NPs, the effects of ionic silver versus Ag NPs, and Ag NP e...

journal_title：Environmental toxicology and chemistry

authors： Bowman CR,Bailey FC,Elrod-Erickson M,Neigh AM,Otter RR

更新日期：2012-08-01 00:00:00

abstract：:Crude oils contain a mixture of hydrocarbons, including phototoxic polycyclic aromatic hydrocarbons (PAHs) that have the ability to absorb ultraviolet (UV) light. Absorption of UV light by PAHs can substantially increase their toxicity to marine organisms. The objective of the present study was to examine the potentia...

journal_title：Environmental toxicology and chemistry

authors： Finch BE,Marzooghi S,Di Toro DM,Stubblefield WA

更新日期：2017-10-01 00:00:00

abstract：:Developing and validating quantitative cationic-activity relationships or (Q)CARs to predict the toxicity metals is challenging because of issues associated with metal speciation, complexation and interactions within biological systems and the media used to study these interactions. However, a number of simplifying as...

journal_title：Environmental toxicology and chemistry

authors： Walker JD,Enache M,Dearden JC

更新日期：2003-08-01 00:00:00

abstract：:Polychlorinated biphenyls (PCBs), including coplanar congeners, hexachlorocyclohexane isomers, chlordane-related compounds, and hexachlorobenzene, were found in the breast muscle of Steller's sea eagles (SSE) and white-tailed sea eagles (WSE) threatened species, collected in Hokkaido, Japan, during the two years from ...

journal_title：Environmental toxicology and chemistry

authors： Sakamoto KQ,Kunisue T,Watanabe M,Masuda Y,Iwata H,Tanabe S,Akahori F,Ishizuka M,Kazusaka A,Fujita S

更新日期：2002-04-01 00:00:00

abstract：:Some toxicology research in which toxicant exposures are continual (pulsed) rather than continuous have been reported. A number of toxicity models have been developed for pulsed and continuous exposures. Most of these models were developed based on one- or two-compartment, first-order toxicokinetics and were calibrate...

journal_title：Environmental toxicology and chemistry

authors： Hoang TC,Tomasso JR,Klaine SJ

更新日期：2007-01-01 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：: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：:Metal cation toxicity to basidiomycete fungi is poorly understood, despite its well-known importance in terrestrial ecosystems. Moreover, there is no reported methodology for the routine evaluation of metal toxicity to basidiomycetes. In the present study, we describe the development of a procedure to assess the acute...

journal_title：Environmental toxicology and chemistry

authors： Mendes LF,Stevani CV

更新日期：2010-02-01 00:00:00

abstract：:Freshwater organisms are increasingly exposed to combinations of stressors. However, because it is time-consuming and costly, research on the interaction of stressors, such as compound toxicity and global warming on vertebrates, is scarce. Studies on multigenerational effects of these combined stressors are almost non...

journal_title：Environmental toxicology and chemistry

authors： Philippe C,Hautekiet P,Grégoir AF,Thoré ESJ,Pinceel T,Stoks R,Brendonck L,Boeck G

更新日期：2018-09-01 00:00:00

abstract：:In risk assessment of aquatic sediments, much attention is paid to the immobilizing effect of acid volatile sulfide (AVS) on trace metals. The difference of AVS and simultaneously extracted metals (SEM) gives an indication of metal availability. In floodplain sediments, where changing redox conditions occur, AVS may p...

journal_title：Environmental toxicology and chemistry

authors： van Griethuysen C,Meijboom EW,Koelmans AA

更新日期：2003-03-01 00:00:00

abstract：:Nineteen adjuvants, many used as surfactants for aquatic herbicide applications, were applied in static bioassay to bluegill sunfish (Lepomis macrochirus) for 96 h to determine median lethal concentrations (LC50). Surfactants are added to the tank mix as a percentage (v/v) of the total volume, in contrast to herbicide...

journal_title：Environmental toxicology and chemistry

authors： Haller WT,Stocker RK

更新日期：2003-03-01 00:00:00

abstract：:Bird eggs are used widely as noninvasive bioindicators for environmental mercury availability. Previous studies, however, have found varying relationships between laying sequence and egg mercury concentrations. Some studies have reported that the mercury concentration was higher in first-laid eggs or declined across t...

journal_title：Environmental toxicology and chemistry

authors： Ou L,Varian-Ramos CW,Cristol DA

更新日期：2015-08-01 00:00:00

abstract：:Triclosan (TCS; 5-chloro-2-(2,4-dichlorophenoxy)phenol), a common antimicrobial agent, may react with residual chlorine in tap water during transport to wastewater treatment plants or during chlorine disinfection of wastewater, generating chlorinated TCS derivatives (CTDs): 4,5-dichloro-2-(2,4-dichlorophenoxy)phenol (...

journal_title：Environmental toxicology and chemistry

authors： Buth JM,Grandbois M,Vikesland PJ,McNeill K,Arnold WA

更新日期：2009-12-01 00:00:00

abstract：:The fate of esfenvalerate was investigated by sampling and chemical analysis after spraying of an artificial pond (25 g a.i./ha) and in the laboratory with [14C]esfenvalerate by trapping of 14CO2 and fractionation of the sediment. The effects were investigated on pelagic communities in enclosures in a natural lake and...

journal_title：Environmental toxicology and chemistry

authors： Samsøe-Petersen L,Gustavson K,Madsen T,Mogensen BB,Lassen P,Skjernov K,Christoffersen K,Jørgensen E

更新日期：2001-07-01 00:00:00

abstract：:Cytochrome P4501A (CYP1A) induction was evaluated in the rat hepatoma cell line H4IIE as a biomarker of exposure to organic compounds. The 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-tetrazoliumbromide assay was performed to assess the viability of cells exposed to environmentally relevant concentrations of cadmium. Cad...

journal_title：Environmental toxicology and chemistry

authors： Jensen MH,Krøkje A

更新日期：2008-08-01 00:00:00

abstract：:The combined effect of a chemical (fluoranthene) and a nonchemical stress (reduced soil moisture content) to the widely distributed earthworm Lumbricus rubellus were investigated in a laboratory study. Neither fluoranthene (up to 500 microg/g) nor low soil moisture (15% below optimal) had a significant effect on the s...

journal_title：Environmental toxicology and chemistry

authors： Long SM,Reichenberg F,Lister LJ,Hankard PK,Townsend J,Mayer P,Wright J,Holmstrup M,Svendsen C,Spurgeon DJ

更新日期：2009-03-01 00:00:00

abstract：:Synthetic pyrethroids (SPs) are a group of hydrophobic compounds with significant aquatic toxicity. Their strong affinity to suspended solids and humic materials suggests that SPs in natural surface water are distributed in solid-adsorbed, dissolved organic matter (DOM)-adsorbed, and freely dissolved phases. The freel...

journal_title：Environmental toxicology and chemistry

authors： Liu W,Gan JJ,Lee S,Kabashima JN

更新日期：2004-01-01 00:00:00

abstract：:Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) has been widely used as an explosive in munition formulations, resulting in contamination of wildlife habitat on military installations. To estimate health effects for reptilian species, acute, subacute, and subchronic oral toxicity studies were conducted using the Western...

journal_title：Environmental toxicology and chemistry

authors： McFarland CA,Quinn MJ Jr,Bazar MA,Talent LG,Johnson MS

更新日期：2009-05-01 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：:In metal-polluted environments, high concentrations of metals such as zinc, cadmium, copper, and lead are present. Many studies have been conducted to determine uptake and binding of the nonessential, toxic metal cadmium. Effects of essential metals on this uptake and binding remain unclear. The aim of the present stu...

journal_title：Environmental toxicology and chemistry

authors： Sterenborg I,Vork NA,Verkade SK,van Gestel CA,van Straalen NM

更新日期：2003-05-01 00:00:00