The production and release of microcystin related to phytoplankton biodiversity and water salinity in two cyanobacteria blooming lakes.

abstract：:We analyzed the fate of organotins in seawater and sediments from Tokyo Bay, Japan, by gas chromatography/inductively coupled plasma mass spectrometry. We also measured the toxicity of methylated butyltins by in vitro bioassays, the retinoid X receptor (RXR) activation method, and the marine luminescent bacterium Vibr...

journal_title：Environmental toxicology and chemistry

authors： Kurihara R,Shiraishi F,Rajendran RB,Tao H,Horiguchi F,Nakata K,Hashimoto S

更新日期：2007-12-01 00:00:00

abstract：:Per- and polyfluoroalkyl substances (PFAS) often occur together as contamination in exposure media such as drinking water or food. The relative potency factor (RPF) methodology facilitates the risk assessment of mixture exposure. A database of liver endpoints was established for 16 PFAS, using data with the same speci...

journal_title：Environmental toxicology and chemistry

authors： Bil W,Zeilmaker M,Fragki S,Lijzen J,Verbruggen E,Bokkers B

更新日期：2020-07-30 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：:Demographic methods can translate toxicant effects on individuals into consequences for populations. To date few such studies have been conducted with longer-lived invertebrates. This is because full life-cycle experiments are difficult with such species. Here we report the effects of copper and cadmium on the key dem...

journal_title：Environmental toxicology and chemistry

authors： Spurgeon DJ,Svendsen C,Weeks JM,Hankard PK,Stubberud HE,Kammenga JE

更新日期：2003-07-01 00:00:00

abstract：:Sediment-quality assessment often is hindered by the lack of agreement between chemical and biological lines of evidence. One limitation is that the bulk sediment toxicant concentration, the most widely used chemical parameter, does not always represent the bioavailable concentration, particularly for hydrophobic orga...

journal_title：Environmental toxicology and chemistry

authors： Maruya KA,Zeng EY,Tsukada D,Bay SM

更新日期：2009-04-01 00:00:00

abstract：:The E,E-(4,4'-bis[2-sulfostyryl]biphenyl) (DSBP) is a fluorescent whitening agent widely used by the textile and detergent industries to whiten fabrics. Hypochlorite used to bleach fabrics oxidizes DSBP slowly at room temperature and in a higher rate at 60 degrees C. The ions of metals such as Fe, Cu, and Mn accelerat...

journal_title：Environmental toxicology and chemistry

authors： Blanco M,Jiménez L,Valverde I

更新日期：2001-10-01 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

abstract：:Non-anadromous forms of Arctic char (Salvelinus alpinus), those that are restricted to lakes and rivers, typically have higher mercury (Hg) concentrations than anadromous forms, which migrate to and from the sea. Using tissue burden data from the literature and our own analyses, we performed a screening-level risk ass...

journal_title：Environmental toxicology and chemistry

authors： Barst BD,Drevnick PE,Muir DCG,Gantner N,Power M,Köck G,Chéhab N,Swanson H,Rigét F,Basu N

更新日期：2019-03-01 00:00:00

abstract：:The present study examined how subcellular partitioning of Cd in plants with different strategies to store and detoxify Cd may affect trophic transfer of Cd to the isopod Porcellio dilatatus. The plant species used were Lactuca sativa, a horticultural metal accumulator species; Thlaspi caerulescens, a herbaceous hyper...

journal_title：Environmental toxicology and chemistry

authors： Monteiro MS,Santos C,Soares AM,Mann RM

更新日期：2008-12-01 00:00:00

abstract：:Toxicokinetics describe the time course of xenobiotics in an exposed organism. The steady state concentration of the xenobiotic is a characteristic of frequent concern, often summarized in terms of bioaccumulation factors (BAFs). Two experimental protocols are commonly used when estimating BAFs: a continuous exposure ...

journal_title：Environmental toxicology and chemistry

authors： Wheeler MW,Bailer AJ

更新日期：2003-04-01 00:00:00

abstract：:Hypothesis-based no-effect-concentration (NOEC) and regression-based x% effect concentration (ECx) values are common statistical approaches used to summarize ecotoxicological effects. Controversy over the NOEC model has prompted a movement toward discontinuation of the NOEC in favor of ECx, but the best x% effect surr...

journal_title：Environmental toxicology and chemistry

authors： Beasley A,Belanger SE,Brill JL,Otter RR

更新日期：2015-10-01 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：:Polycyclic aromatic hydrocarbons (PAHs) are major components of wastes from municipal gas plants and many wood preservatives. Soil contaminated with these wastes is a potential threat to human health because of the carcinogenicity of many PAHs. This study follows the fate of two four-ring PAHs, pyrene and chrysene, in...

journal_title：Environmental toxicology and chemistry

authors： Roper JC,Pfaender FK

更新日期：2001-02-01 00:00:00

abstract：:The present study assessed and compared the oxidative and reductive biotransformation of brominated flame retardants, including established polybrominated diphenyl ethers (PBDEs) and emerging decabromodiphenyl ethane (DBDPE) using an in vitro system based on liver microsomes from various arctic marine-feeding mammals:...

journal_title：Environmental toxicology and chemistry

authors： McKinney MA,Dietz R,Sonne C,De Guise S,Skirnisson K,Karlsson K,Steingrímsson E,Letcher RJ

更新日期：2011-07-01 00:00:00

abstract：:In plant tissues, xenobiotics often are conjugated with natural constituents such as sugars, amino acids, glutathione, and malonic acid. Usually, conjugation processes result in a decrease in the reactivity and toxicity of xenobiotics by increasing the water solubility and polarity of conjugates, and reducing their mo...

journal_title：Environmental toxicology and chemistry

authors： Laurent F,Canlet C,Debrauwer L,Pascal-Lorber S

更新日期：2007-11-01 00:00:00

abstract：:Modulations of 11 prospective biochemical markers of impacts of aquatic pollutants in liver tissue of chub (Leuciscus cephalus), caught at several sampling sites of a river with various pollution types and rates, were matched against analytical data of concentrations of organochlorine compounds, polycyclic aromatic hy...

journal_title：Environmental toxicology and chemistry

authors： Machala M,Dusek L,Hilscherová K,Kubínová R,Jurajda P,Neca J,Ulrich R,Gelnar M,Studnicková Z,Holoubek I

更新日期：2001-05-01 00:00:00

abstract：:The continental population of scaup has declined over the last three decades to levels that remain well below conservation goals. One proposed hypothesis for this decline is that increasing exposure to contaminants has led to decreased fitness in scaup, and selenium (Se) has been identified as a contaminant of concern...

journal_title：Environmental toxicology and chemistry

authors： DeVink JM,Clark RG,Slattery SM,Scheuhammer TM

更新日期：2008-02-01 00:00:00

abstract：:Organic compounds in sediments are known to distribute between rapid, slowly, and very slowly desorbing sites. This distribution is relevant to bioavailability and risk assessment of organic compounds in sediment. In this study, the fraction desorbing to Tenax in 6 h was measured for a range of organic compounds in se...

journal_title：Environmental toxicology and chemistry

authors： van Noort PC,Cornelissen G,ten HT,Belfoid A

更新日期：2002-11-01 00:00:00

abstract：:Monitoring and assessing the effects of contaminants in the aquatic eco-environment is critical in protecting human health and the environment. The zebrafish has been widely used as a prominent model organism in different fields because of its small size, low cost, diverse adaptability, short breeding cycle, high fecu...

journal_title：Environmental toxicology and chemistry

authors： Dai YJ,Jia YF,Chen N,Bian WP,Li QK,Ma YB,Chen YL,Pei DS

更新日期：2014-01-01 00:00:00

abstract：:Oxygen consumption is indicative of an organism's metabolic state, whereby alterations in respiration rate can result from the presence of different stimuli. Here, we develop a novel approach based on quenched fluorescence oxygen sensing and respirometry method for toxicity screening assays using the nematode Caenorha...

journal_title：Environmental toxicology and chemistry

authors： Schouest K,Zitova A,Spillane C,Papkovsky D

更新日期：2009-04-01 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：:Natural biotic and anthropogenic stressors can interact to alter contaminant toxicity. Energetic restrictions are potential mechanisms causing this pattern. To identify processes underlying observed effects of predation risk and copper (Cu) on delayed copepod age at maturity, we examined how these 2 stressors affect r...

journal_title：Environmental toxicology and chemistry

authors： Lode T,Heuschele J,Andersen T,Titelman J,Hylland K,Borgå K

更新日期：2020-09-01 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：:The Baltic Sea is a heavily polluted area. To assess the current contaminant pressure on the common guillemot (Uria aalge) living there, whole-body extracts of guillemots from the Baltic Sea were prepared and subdivided over six fractions, which differed in composition due to lipophilicity and polarity of the contamin...

journal_title：Environmental toxicology and chemistry

authors： de Roode DF,Gustavsson MB,Rantalainen AL,Klomp AV,Koeman JH,Bosveldt AT

更新日期：2002-11-01 00:00:00

abstract：:A quick, easy, cheap, effective, rugged, and safe (QuEChERS)-based extraction and simultaneous dispersive solid-phase extraction (dSPE) clean-up method was developed for contaminants of emerging concern (CECs) in sediment samples. Hydration with a phosphate buffer (pH 2.0) and salting out with NaCl and MgSO4 facilitat...

journal_title：Environmental toxicology and chemistry

authors： Rashid A,Wang Y,Li Y,Yu CP,Sun Q

更新日期：2019-07-01 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：:Pacific tree frog (Hyla regilla) tadpoles were collected throughout the Sierra Nevada mountain range, California, USA, in 1996 and 1997 and analyzed for the presence of polychlorinated biphenyls (PCBs) and toxaphene. Whole-tadpole sigma PCB levels ranged from 244 ng/g (wet wt) at lower elevations on the western slope ...

journal_title：Environmental toxicology and chemistry

authors： Angermann JE,Fellers GM,Matsumura F

更新日期：2002-10-01 00:00:00

abstract：:Concentrations of arsenic, cadmium, copper, lead, and nickel were measured in soils, house mice (Mus musculus), and the main food items of this omnivorous mouse to examine the occurrence of these metals in selected components of a seasonal wetland. Soil concentrations of copper, lead, and (in some areas) nickel were e...

journal_title：Environmental toxicology and chemistry

authors： Torres KC,Johnson ML

更新日期：2001-11-01 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：: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