Norm Index-Based QSAR Model for Acute Toxicity of Pesticides Toward Rainbow Trout.

abstract：:The aim of the present work was to study the effect of Cd2+ exposure on metallothionein (MT) induction and on the distribution of metals (Cd, Cu, and Zn) in the terrestrial pulmonate Helix aspersa. In particular, the soluble and nonsoluble pools of the accumulated metals and their tissue distribution in uncontaminated...

journal_title：Environmental toxicology and chemistry

authors： Hispard F,Schuler D,de Vaufleury A,Scheifler R,Badot PM,Dallinger R

更新日期：2008-07-01 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：:A model for risk assessment was built for simultaneous, congener-specific PCB bioaccumulation from sediment to fish to otters (Lutra lutra). Toxic equivalence factors (TEFs) were used to sum individual congeners in otters to a toxic equivalent concentration (TEQ) relative to 2,3,7,8-tetrachlorodibenzo-p-dioxin. Microb...

journal_title：Environmental toxicology and chemistry

authors： Traas TP,Luttik R,Klepper O,Beurskens JE,Smit MD,Leonards PE,van Hattum AG,Aldenberg T

更新日期：2001-01-01 00:00:00

abstract：:Understanding the dietary absorption efficiency of chemicals in the gastrointestinal tract of fish is important from both a scientific and a regulatory point of view. However, reported fish absorption efficiencies for well-studied chemicals are highly variable. In the present study, the authors developed and exploited...

journal_title：Environmental toxicology and chemistry

authors： Xiao R,Adolfsson-Erici M,Åkerman G,McLachlan MS,MacLeod M

更新日期：2013-12-01 00:00:00

abstract：:Potassium permanganate (KMnO4) is used worldwide in freshwater pond aquaculture for treatment and prevention of waterborne external parasitic, bacterial, and fungal diseases. Nevertheless, KMnO4 has not been approved by the U.S. Food and Drug Administration, and insufficient information exists to allow evaluation of t...

journal_title：Environmental toxicology and chemistry

authors： Hobbs MS,Grippo RS,Farris JL,Griffin BR,Harding LL

更新日期：2006-11-01 00:00:00

abstract：:Silver nanoparticles (AgNPs) are efficiently converted during the wastewater-treatment process into sparingly soluble Ag sulfides (Ag2 S). In several countries, sewage sludge is used as a fertilizer in agriculture. The bioavailability of sulfidized Ag to the terrestrial isopod Porcellio scaber was investigated. Sewage...

journal_title：Environmental toxicology and chemistry

authors： Kampe S,Kaegi R,Schlich K,Wasmuth C,Hollert H,Schlechtriem C

更新日期：2018-06-01 00:00:00

abstract：:Tangshan city in Hebei Province is one of the most heavily polluted cities in China, with substantial industrial emissions. The development of effective air pollution emission reduction policies requires knowledge of the sources and health risks of polycyclic aromatic hydrocarbon (PAH)-enriched fine particulate matter...

journal_title：Environmental toxicology and chemistry

authors： Zhang L,Xu H,Fang B,Wang H,Yang Z,Yang W,Hao Y,Wang X,Wang Q,Wang M

更新日期：2020-02-01 00:00:00

abstract：:In our study, we aim to characterize the estrogenicity of 18 independent rivers that receive effluent from sewage treatment works. During the winter and summer of 2003, we collected multiple water samples and measured environmental estrogens with an in vitro yeast-based reporter gene assay; estrogenicity was expressed...

journal_title：Environmental toxicology and chemistry

authors： Vermeirssen EL,Burki R,Joris C,Peter A,Segner H,Suter MJ,Burkhardt-Holm P

更新日期：2005-09-01 00:00:00

abstract：:Neonicotinoid insecticides have been used globally on a wide range of crops through seed treatment as well as soil and foliar applications and have been increasingly studied in relation to the potential risk to bees because of their detection in pollen and nectar of bee-attractive crops. The present article reports th...

journal_title：Environmental toxicology and chemistry

authors： Overmyer J,Feken M,Ruddle N,Bocksch S,Hill M,Thompson H

更新日期：2018-03-01 00:00:00

abstract：:We propose a biologically based approach to analyze reproductive data for the midge (Chironomus riparius). We showed in a previous study that its larval development can be divided in two distinct phases regarding the use of energy: The somatic growth period and the gametic growth period. We hypothesize here the gameti...

journal_title：Environmental toxicology and chemistry

authors： Ducrot V,Péry AR,Mons R,Garric J

更新日期：2004-01-01 00:00:00

abstract：:Seasonality in biomagnification of persistent organic pollutants (POPs; polychlorinated biphenyls, chlorinated pesticides, and brominated flame retardants) in Arctic marine pelagic food webs was investigated in Kongsfjorden, Svalbard, Norway. Trophic magnification factors (TMFs; average factor change in concentration ...

journal_title：Environmental toxicology and chemistry

authors： Hallanger IG,Warner NA,Ruus A,Evenset A,Christensen G,Herzke D,Gabrielsen GW,Borgå K

更新日期：2011-05-01 00:00:00

abstract：:The toxicities of chemical mixtures containing 10 compounds, detected in wastewater treatment plant (WWTP) effluents, were investigated using Daphnia magna in a two-step prediction (TSP) model. The 10 chemicals determined by gas chromatography/ mass spectrometry in WWTP effluents included three groups: Three acetylcho...

journal_title：Environmental toxicology and chemistry

authors： Ra JS,Lee BC,Chang NI,Kim SD

更新日期：2006-08-01 00:00:00

abstract：:The bald eagle (Haliaeetus leucocephalus) is an extensively researched tertiary predator. Studies have delineated information about its life history and the influences of various stressors on its reproduction. Due to the bald eagle's position at the top of the food web, it is susceptible to biomagnification of xenobio...

journal_title：Environmental toxicology and chemistry

authors： Wierda MR,Leith KF,Roe AS,Grubb TG,Sikarskie JG,Best DA,Pittman HT,Fuentes L,Simon KL,Bowerman W

更新日期：2016-08-01 00:00:00

abstract：:The present study investigates the germination and growth of Triticum aestivum exposed to two different microcystins (microcystin-LR [where the two variable places in the toxin molecule are leucine (L) and arginine (R) (MC-LR)] and microcystin-RR) and to cell-free cyanobacterial crude extract containing MC-LR. The con...

journal_title：Environmental toxicology and chemistry

authors： Pflugmacher S,Hofmann J,Hübner B

更新日期：2007-12-01 00:00:00

abstract：:The high incidence of intersex roach (Rutilus rutilus) in some United Kingdom rivers that has been associated with exposure to sewage treatment works (STWs) effluent led us to hypothesize that top predator fish also may be affected by estrogenic chemicals, because they are likely to bioaccumulate lipophilic compounds ...

journal_title：Environmental toxicology and chemistry

authors： Vine E,Shears J,van Aerle R,Tyler CR,Sumpter JP

更新日期：2005-06-01 00:00:00

abstract：:Most of the public literature and available guidance documents on the conduct of freshwater whole-sediment toxicity identification and evaluations (TIEs) detail the use of test organisms and amending agents that are readily available in North America. These commonly used test organisms and the supported amending agent...

journal_title：Environmental toxicology and chemistry

authors： Mehler WT,Keough MJ,Pettigrove V

更新日期：2017-09-01 00:00:00

abstract：:Although the introduction of non-native fish species has been shown to alter trophic ecology in aquatic ecosystems, there has been limited research on how invasive species alter methylmercury (MeHg) biomagnification in lacustrine food webs. We sampled surface water and biota from 8 lakes in Quebec, Canada, spanning a ...

journal_title：Environmental toxicology and chemistry

authors： Barst BD,Hudelson K,Lescord GL,Santa-Rios A,Basu N,Crémazy A,Drevnick PE

更新日期：2020-11-01 00:00:00

abstract：:The present study aimed to assess the bioavailability and toxicity of lead nitrate and lead chloride to Enchytraeus crypticus in a natural standard soil. Worms were exposed to Pb-spiked soil for 21 d, and survival and reproduction were related to total, 0.01 M CaCl2 -extractable, and porewater Pb concentrations in the...

journal_title：Environmental toxicology and chemistry

authors： Zhang L,Van Gestel CAM

更新日期：2017-08-01 00:00:00

abstract：:To investigate possible relationships between polychlorinated biphenyl (PCB) exposure and infectious disease mortality in harbor porpoises (Phocoena phocoena) in United Kingdom waters, summed blubber concentrations of 25 chlorobiphenyl congeners (sigma25CB) in healthy harbor porpoises that died of acute physical traum...

journal_title：Environmental toxicology and chemistry

authors： Jepson PD,Bennett PM,Deaville R,Allchin CR,Baker JR,Law RJ

更新日期：2005-01-01 00:00:00

abstract：:To gain new insight into the mechanism of selective cytotoxicity of benzoylureas as insecticides, the in vitro mode of action of chlorfluazuron was investigated on lepidopteran Tn5B1-4 and Sf-21 cells and human Hek293 and HepG2 cells. Chlorfluazuron inhibited the proliferation of Tn5B1-4 and Sf-21 cells with 50% inhib...

journal_title：Environmental toxicology and chemistry

authors： Huang Q,Wu X,Yu X,Zhang L,Lu M,Tao L

更新日期：2015-07-01 00:00:00

abstract：:A major problem with risk assessment of chemicals is the extrapolation of laboratory single-species toxicity tests, which oversimplify the actual field situation by ignoring species interactions, to natural communities. The authors tested if the bioavailability-normalized 5% hazardous concentration (HC5) estimated fro...

journal_title：Environmental toxicology and chemistry

authors： Van de Perre D,Roessink I,Janssen CR,Smolders E,Van Regenmortel T,Van Wichelen J,Vyverman W,Van den Brink PJ,De Schamphelaere KA

更新日期：2016-11-01 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：:The Organisation for Economic Co-operation and Development (OECD) terrestrial plant test is often used for the ecological risk assessment of contaminated land. However, its origins in plant protection product testing mean that the species recommended in the OECD guidelines are unlikely to occur on contaminated land. S...

journal_title：Environmental toxicology and chemistry

authors： Sinnett DE,Lawrence VK,Hutchings TR,Hodson ME

更新日期：2011-01-01 00:00:00

abstract：:Copper toxicity in different embryonic and larval stages of the common South American toad Rhinella arenarum was evaluated by means of continuous and 24-h pulse treatments in 12 different developmental stages. Lethal concentrations (LC) of 10, 50, and 90% of continuous treatment with Cu from early blastula (S.4), comp...

journal_title：Environmental toxicology and chemistry

authors： Aronzon CM,Sandoval MT,Herkovits J,Pérezcoll CS

更新日期：2011-12-01 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：:In vitro metabolic stability assays using rainbow trout (Oncorhynchus mykiss) isolated hepatocytes (RT-HEP) or hepatic S9 fractions (RT-S9) were introduced to provide biotransformation rate data for the assessment of chemical bioaccumulation in fish. The present study explored the suitability of the RT-HEP and RT-S9 a...

journal_title：Environmental toxicology and chemistry

authors： Kropf C,Begnaud F,Gimeno S,Berthaud F,Debonneville C,Segner H

更新日期：2020-12-01 00:00:00

abstract：:This study investigates both the methods and the multispecies and functional level effects of a release of a complex hydrocarbon mixture from sediments using a 60-d modified mixed flask culture (MFC) microcosm. Neat Jet-A was injected and mixed into the sediment with one nondosed and three dosed concentrations. Univar...

journal_title：Environmental toxicology and chemistry

authors： Sandberg RS,Landis WG

更新日期：2001-09-01 00:00:00

abstract：:A combination of forward and reverse heteronuclear ((19)F/(1)H) saturation transfer difference (STD) nuclear magnetic resonance (NMR) spectroscopic techniques were applied to characterize the noncovalent interactions between perfluorinated aromatic xenobiotics and dissolved humic acid. These NMR techniques produce det...

journal_title：Environmental toxicology and chemistry

authors： Longstaffe JG,Simpson AJ

更新日期：2011-08-01 00:00:00

abstract：:Extensive season-by-season sampling was used to establish the normal range of whole-body Na+ and Cl- and Na+ uptake in healthy populations of two fish species, rainbow trout, Oncorhynchus mykiss, and fathead minnow, Pimephales promelas, of known differences in sensitivity to ionoregulatory toxicants (low pH, trace met...

journal_title：Environmental toxicology and chemistry

authors： Croke SJ,McDonald DG

更新日期：2002-08-01 00:00:00

abstract：:Natural organic matter (NOM) has long been shown to be the dominant factor in determining equilibrium and kinetic processes during sorption and desorption phenomena in sediment and soil experiments. Although several models have been suggested for predicting these processes, few offer mechanistic interpretations becaus...

journal_title：Environmental toxicology and chemistry

authors： Clay MM,Morgan JA,Dunnivant FM

更新日期：2021-02-01 00:00:00