Transcriptional and cellular effects of benzotriazole UV stabilizers UV-234 and UV-328 in the freshwater invertebrates Chlamydomonas reinhardtii and Daphnia magna.

abstract：:A meta-analysis was conducted of studies that reported behavior and chemo/mechanosensory responses by fish, amphibians, and aquatic invertebrates in Cu-containing waters and also reported sufficient water chemistry for calculation of hardness-based and biotic ligand model (BLM)-based water quality criteria (WQC) for C...

journal_title：Environmental toxicology and chemistry

authors： Meyer JS,DeForest DK

更新日期：2018-05-01 00:00:00

abstract：:Sediments in urban waterways of Guangzhou, China, were contaminated by a variety of chemicals and showed prevalent toxicity to benthic organisms. A combination of whole-sediment toxicity identification evaluation (TIE) and bioavailability-based extraction was used to identify the causes of sediment toxicity. Of the 6 ...

journal_title：Environmental toxicology and chemistry

authors： Yi X,Li H,Ma P,You J

更新日期：2015-08-01 00:00:00

abstract：:The dispersion of clothianidin from treated seeds was studied in a commercial winter canola field. During planting, using a John Deere 1890 single disk air seeder, a proportion, an estimated 14.2 ± 2.9% (mean ± standard error), of the clothianidin that was applied to the seed escaped into the atmosphere from the seede...

journal_title：Environmental toxicology and chemistry

authors： Schaafsma AW,Limay-Rios V

更新日期：2020-12-01 00:00:00

abstract：:The cellular energy allocation (CEA) methodology was used to assess the adverse effects of toxic stress on the energy budget of test organisms. This biochemical assay is quantified by determining changes in the available energy reserves, Ea (total carbohydrate, protein, and lipid content) and the energy consumption, E...

journal_title：Environmental toxicology and chemistry

authors： De Coen WM,Janssen CR

更新日期：2003-07-01 00:00:00

abstract：:It has been suggested that Xenopus laevis is less sensitive than other amphibians to some chemicals, and therefore, that the Frog Embryo Teratogenesis Assay-Xenopus (FETAX) may have limited use in risk assessments for other amphibians. However, comparisons are based mostly on results of FETAX, which emphasizes embryos...

journal_title：Environmental toxicology and chemistry

authors： Yu S,Wages MR,Cai Q,Maul JD,Cobb GP

更新日期：2013-09-01 00:00:00

abstract：:It has been argued that current approaches for ecological risk assessment (ERA) do not provide value relevance for risk managers and that the uncertainty in the predictions is large. One important reason for this is that current approaches are based on individual-level endpoints, but the environmental protection goals...

journal_title：Environmental toxicology and chemistry

authors： Hanson N,Stark JD

更新日期：2011-10-01 00:00:00

abstract：:In this study, mixtures of five herbicide-formulated products (atrazine, dicamba, fluometuron, metolachlor, and sulfentrazone) were applied to soil microcosm columns in increasing concentrations. The toxic impact of herbicides on the indigenous beta-subclass Proteobacteria autotrophic ammonia-oxidizer (beta-AAO) commu...

journal_title：Environmental toxicology and chemistry

authors： Chang YJ,Hussain AK,Stephen JR,Mullen MD,White DC,Peacock A

更新日期：2001-11-01 00:00:00

abstract：:Various statistical tests on concentration data serve to support decision-making regarding characterization and monitoring of contaminated media, assessing exposure to a chemical, and quantifying the associated risks. However, the routine statistical protocols cannot be directly applied because of challenges arising f...

journal_title：Environmental toxicology and chemistry

authors： Shoari N,Dubé JS

更新日期：2018-03-01 00:00:00

abstract：:Organophosphate and carbamate compounds are among the most widely used pesticides. Contamination of surface water by these compounds is of concern because of potential toxicity to aquatic organisms, especially those at lower trophic levels. In this study we evaluated the persistence of diazinon, chlorpyrifos, malathio...

journal_title：Environmental toxicology and chemistry

authors： Bondarenko S,Gan J,Haver DL,Kabashima JN

更新日期：2004-11-01 00:00:00

abstract：:Parabens, bisphenol A (BPA), triclosan, and triclocarban are recognized endocrine-disrupting contaminants (EDCs); and their occurrence in the environment has attracted increasing concern. Body size-dependent bioaccumulation, tissue distribution, trophic magnification, and maternal transfer of methyl-, ethyl-, propyl-,...

journal_title：Environmental toxicology and chemistry

authors： Peng X,Zheng K,Liu J,Fan Y,Tang C,Xiong S

更新日期：2018-07-01 00:00:00

abstract：:Prediction of pulsed or intermittent exposure effects on populations is emerging as an important issue in ecotoxicology. However, the underlying theory of the dose-response models has not been tested rigorously enough to provide a true understanding for predicting the effects of pulsed exposures. Since its introductio...

journal_title：Environmental toxicology and chemistry

authors： Zhao Y,Newman MC

更新日期：2007-03-01 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 acute toxicity of photoactivated anthracene and pyrene to the glochidial larvae of the paper pondshell (Utterbackia imbecillis) was characterized in the laboratory using two sets of experiments. Acute toxicity tests designed to determine the overall sensitivity of glochidia to anthracene and pyrene were conducted ...

journal_title：Environmental toxicology and chemistry

authors： Weinstein JE,Polk KD

更新日期：2001-09-01 00:00:00

abstract：:This study presents concurrently sampled ambient air data for a range of polycyclic aromatic hydrocarbons (PAHs) and polychlorinated naphthalenes (PCNs) at the continental scale. This was achieved with a passive air sampling system, by deploying polyurethane foam disks, which were prepared in one laboratory, sealed to...

journal_title：Environmental toxicology and chemistry

authors： Jaward FM,Farrar NJ,Harner T,Sweetman AJ,Jones KC

更新日期：2004-06-01 00:00:00

abstract：:Locomotor behavior in terrestrial organisms is crucial for burrowing, avoiding predators, food seeking, migration, and reproduction; therefore, it is a parameter with ecological relevance. Acetylcholinesterase (AChE) is a nervous system enzyme inhibited by several compounds and widely used as an exposure biomarker in ...

journal_title：Environmental toxicology and chemistry

authors： Engenheiro EL,Hankard PK,Sousa JP,Lemos MF,Weeks JM,Soares AM

更新日期：2005-03-01 00:00:00

abstract：:Melano-macrophage aggregates, collections of specialized cells of the innate immune system of fish, are considered a general biomarker for contaminant toxicity. To elucidate further the relationship between macrophage aggregates and metals exposure, yelloweye rockfish (Sebastes ruberrimus), a long-lived species, were ...

journal_title：Environmental toxicology and chemistry

authors： Barst BD,Bridges K,Korbas M,Roberts AP,Van Kirk K,McNeel K,Drevnick PE

更新日期：2015-08-01 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：:Total mercury (Hg) concentration was determined in several piscivorous and nonpiscivorous species of fish from 38 drainage lakes with clear-cut, burnt, or undisturbed catchments located in the Canadian Boreal Shield. Mercury concentrations increased with increasing fish trophic position as estimated using stable isoto...

journal_title：Environmental toxicology and chemistry

authors： Garcia E,Carignan R

更新日期：2005-03-01 00:00:00

abstract：:The Minamata Convention aims to protect human health and the environment from anthropogenic emissions and releases of mercury. In the present study, the provisions of the Minamata Convention are examined to assess their influence on global biogeochemical cycling of Hg. Although the convention's scope covers all major ...

journal_title：Environmental toxicology and chemistry

authors： Selin NE

更新日期：2014-06-01 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：:The present study evaluated the effects of field metal contamination on sperm motility and the RNA/DNA ratio in echinoderms. Populations of Asterias rubens and Echinus acutus that occur naturally along a contamination gradient of sediments by cadmium, copper, lead, and zinc in a Norwegian fjord (the Sørfjord) were stu...

journal_title：Environmental toxicology and chemistry

authors： Catarino AI,Cabral HN,Peeters K,Pernet P,Punjabi U,Dubois P

更新日期：2008-07-01 00:00:00

abstract：:Analysis of sperm has been investigated as a possible method to examine the toxicity of environmental contaminants. The amphibian sperm inhibition toxicological test (ASITT) method examines the effects of contaminants on Xenopus laevis (African clawed frog) sperm motility and path trajectories. As part of a preliminar...

journal_title：Environmental toxicology and chemistry

authors： Christensen JR,Bishop CA,Richardson JS,Pauli B,Elliott J

更新日期：2004-12-01 00:00:00

abstract：:Locomotor performance is an important fitness-related trait in reptiles because of its potential influence on prey capture and predator avoidance. Because cholinesterase-inhibiting pesticides disrupt neuromuscular signaling, reduction in performance seems to be a logical translation of this biochemical disruption to t...

journal_title：Environmental toxicology and chemistry

authors： Hopkins WA,Winne CT

更新日期：2006-05-01 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：: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：:Dissolved organic carbon (DOC) plays a key role in determining the environmental fate of semivolatile organic environmental contaminants. The goal of the present study was to develop a method using commercially available hardware to rapidly characterize the sorption properties of DOC in water samples. The resulting me...

journal_title：Environmental toxicology and chemistry

authors： Ripszam M,Haglund P

更新日期：2015-02-01 00:00:00

abstract：:Because fish represent the principal methylmercury (MeHg) pool in the water column of freshwater systems, MeHg released from their carcasses could represent an important flux to the environment. Necrophagous invertebrates such as fly larvae can play an important role in this Hg recycling. We studied Hg accumulation by...

journal_title：Environmental toxicology and chemistry

authors： Sarica J,Amyot M,Bey J,Hare L

更新日期：2005-03-01 00:00:00

abstract：:Eight propylene glycol substances, ranging from 1,2-propanediol to a poly(propylene glycol) (PPG) having number-average molecular weight (M(n)) of 2,700 (i.e., PPG 2700), were evaluated in the Organization for Economic Cooperation and Development (OECD) ready- and seawater biodegradability tests. Uniformity in test pa...

journal_title：Environmental toxicology and chemistry

authors： West RJ,Davis JW,Pottenger LH,Banton MI,Graham C

更新日期：2007-05-01 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：:The use of passive sampling devices (PSDs) for monitoring hydrophobic organic contaminants in aquatic environments can entail logistical constraints that often limit a comprehensive statistical sampling plan, thus resulting in a restricted number of samples. The present study demonstrates an approach for using the res...

journal_title：Environmental toxicology and chemistry

authors： Matzke MM,Allan SE,Anderson KA,Waters KM

更新日期：2012-12-01 00:00:00