Marine sediment toxicity identification evaluation methods for the anionic metals arsenic and chromium.

abstract：:Current pesticide risk assessment does not specifically consider amphibians. Amphibians in the aquatic environment (aquatic life stages or postmetamorphic aquatic amphibians) and terrestrial living juvenile or adult amphibians are assumed to be covered by the risk assessment for aquatic invertebrates and fish, or mamm...

journal_title：Environmental toxicology and chemistry

authors： Brühl CA,Pieper S,Weber B

更新日期：2011-11-01 00:00:00

abstract：:The present study investigated the impact of nano titanium dioxide (nTiO(2) ) exposure on the cellular structures of the nitrogen-fixing cyanobacteria Anabaena variabilis. Results of the present study showed that nTiO(2) exposure led to observable alteration in various intracellular structures and induced a series of ...

journal_title：Environmental toxicology and chemistry

authors： Cherchi C,Chernenko T,Diem M,Gu AZ

更新日期：2011-04-01 00:00:00

abstract：:The majority of studies on pesticide impacts have evaluated the effects of single exposures. However, multiple exposures to a pesticide may be more prevalent. The objective of our study was to determine how multiple exposures versus single exposure at different times during development affected survival to metamorphos...

journal_title：Environmental toxicology and chemistry

authors： Boone MD,Bridges CM

更新日期：2003-11-01 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 authors conducted column experiments and a modeling study to understand the effects of several environmental factors on the aggregation and transport of graphene oxide nanoparticles (GONPs) in saturated quartz sand. The GONPs were negatively charged and stable under the test conditions (0-50 mM NaCl; pH 4.8-9.0), ...

journal_title：Environmental toxicology and chemistry

authors： Qi Z,Zhang L,Wang F,Hou L,Chen W

更新日期：2014-05-01 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 effect of gold nanoparticles (AuNPs) and ciprofloxacin on the catabolism of microbial communities was assessed. This was accomplished through an ex situ methodology designed to give a priori knowledge on the potential for nanoparticles, or other emerging contaminants, to affect the catabolic capabilities of microb...

journal_title：Environmental toxicology and chemistry

authors： Weber KP,Petersen EJ,Bissegger S,Koch I,Zhang J,Reimer KJ,Rehmann L,Slawson RM,Legge RL,O'Carroll DM

更新日期：2014-01-01 00:00:00

abstract：:Adult African clawed frogs (Xenopus laevis) were collected from a corn-growing region (CGR) and a non-corn-growing region (NCGR) with different exposure profiles for atrazine and related triazines. Physical, chemical, and biological parameters from the catchment areas were also measured. Frogs were surveyed for possib...

journal_title：Environmental toxicology and chemistry

authors： Hecker M,Giesy JP,Jones PD,Jooste AM,Carr JA,Solomon KR,Smith EE,Van der Kraak G,Kendall RJ,Du Preez L

更新日期：2004-08-01 00:00:00

abstract：:The subject of the present study was the piscivorous common mergansers (Mergus merganser). The total mercury (THg), methylmercury (MeHg), selenium (Se) inorganic mercury (InHg; THg - MeHg), percentage of THg that is MeHg (%MeHg), molar ratios (THg:Se, MeHg:Se, InHg:Se), and their mutual relations in livers and kidneys...

journal_title：Environmental toxicology and chemistry

authors： Kalisinska E,Gorecki J,Okonska A,Pilarczyk B,Tomza-Marciniak A,Budis H,Lanocha N,Kosik-Bogacka DI,Kavetska KM,Macherzynski M,Golas J

更新日期：2014-02-01 00:00:00

abstract：:The results of the present study have demonstrated the utility of an estrogen receptor (ER) competitive ligand-binding assay, a hepatocyte vitellogenin (VTG) induction bioassay, and an ER reporter gene bioassay in characterizing the activity of model estrogen agonists (17beta-estradiol [E2], ethynylestradiol, and nony...

journal_title：Environmental toxicology and chemistry

authors： Marlatt VL,Hewitt LM,Van Der Kraak G

更新日期：2006-12-01 00:00:00

abstract：:Current regulation of metals in soils is based on total metal concentrations rather than on actual exposure concentrations. Considering the extreme variation in soil physicochemical properties, total concentrations are not reflective of the availability and resultant toxicity of metals in different soils. In this stud...

journal_title：Environmental toxicology and chemistry

authors： Boyd WA,Williams PL

更新日期：2003-05-01 00:00:00

abstract：:The authors used 5 species of periphytic algae to conduct toxicity assays of 20 herbicides. The 5 tested species represent riverine primary producers most likely to be affected by herbicides. A fluorescence microplate toxicity assay was used as an efficient and economical high-throughput assay. Toxicity characteristic...

journal_title：Environmental toxicology and chemistry

authors： Nagai T,Taya K,Yoda I

更新日期：2016-02-01 00:00:00

abstract：:The occurrence of intersex fish in a number of European rivers has been attributed to exposure to estrogenic chemicals present in sewage treatment work (STW) effluents. To further understand the environmental fate of these contaminants, the estrogenic activity of effluents, water, and sediments were investigated both ...

journal_title：Environmental toxicology and chemistry

authors： Peck M,Gibson RW,Kortenkamp A,Hill EM

更新日期：2004-04-01 00:00:00

abstract：:Glyphosate is a commonly used herbicide known for its high performance in killing certain plants and grasses; however, its use is regulated due to its harmful effects on the aquatic environment. The present study investigated and compared the toxic mechanisms of glyphosate on Microcystis aeruginosa (a toxin-producing ...

journal_title：Environmental toxicology and chemistry

authors： Wang W,Jiang M,Sheng Y

更新日期：2021-02-01 00:00:00

abstract：:Variable sizes of nanoparticles, ranging from nano to micro scale, are of toxicological interest. In the present study, the authors hypothesized that, in addition to the size, the shape of iron oxide (Fe2O3) nanoparticles is a major factor that contributes to particle cytotoxicity. Cytotoxicity to mouse macrophage cel...

journal_title：Environmental toxicology and chemistry

authors： Lee JH,Ju JE,Kim BI,Pak PJ,Choi EK,Lee HS,Chung N

更新日期：2014-12-01 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：:Significant amounts of soil contaminated with polychlorinated biphenyls (PCBs) were discovered at a military radar station in Saglek Bay, Labrador, Canada, in 1996. Subsequent work showed elevated PCB concentrations in local marine sediments, in the benthic-associated food web, and in some ringed seals (Pusa hispida)....

journal_title：Environmental toxicology and chemistry

authors： Brown TM,Fisk AT,Helbing CC,Reimer KJ

更新日期：2014-03-01 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：:We evaluated the influence of waterborne and dietary lead (Pb) exposure on the acute and chronic toxicity of Pb to the amphipod Hyalella azteca. Test solutions were generated by a modified diluter with an extended (24-h) equilibration period. Acute (96-h) toxicity of Pb varied with water hardness in the range of 71 to...

journal_title：Environmental toxicology and chemistry

authors： Besser JM,Brumbaugh WG,Brunson EL,Ingersoll CG

更新日期：2005-07-01 00:00:00

abstract：:In the present study, electron paramagnetic resonance coupled with spin-trapping technique was used, with alpha-phenyl-N-tert-butylnitrone (PBN) as a spin-trapping agent, to investigate free radical generation in freshwater fish with acute 2,4-dichlorophenol (2,4-DCP) poisoning. The PBN-radical adducts were detected i...

journal_title：Environmental toxicology and chemistry

authors： Luo Y,Wang XR,Shi HH,Mao DQ,Sui YX,Ji LL

更新日期：2005-09-01 00:00:00

abstract：:The influence of diet on polychlorinated biphenyl (PCB) assimilation was investigated by measuring dietary assimilation efficiencies (AEs) for 47 PCB congeners in juvenile koi (Cyprinus carpio) fed five experimental diets. Two of the diets were naturally contaminated and were obtained by collecting mayflies from Lake ...

journal_title：Environmental toxicology and chemistry

authors： Liu J,Haffner GD,Drouillard KG

更新日期：2010-02-01 00:00:00

abstract：:Photosynthesis-inhibiting phenylurea derivatives, such as diuron, are widely used as herbicides. Diuron concentrations clearly exceeding the predicted-no-effect concentration have been regularly measured in European freshwater systems. The frequently observed exposure to mixtures of phenylureas additionally increases ...

journal_title：Environmental toxicology and chemistry

authors： Backhaus T,Faust M,Scholze M,Gramatica P,Vighi M,Grimme LH

更新日期：2004-02-01 00:00:00

abstract：:A population of western mosquitofish (Gambusia affinis) living below a wastewater treatment plant in the vicinity of Birmingham (AL, USA) was studied for evidence of exposure to estrogens. Mosquitofish are sexually dimorphic live-bearing fish. Males have an elongated and modified anal fin, called a gonopodium, used in...

journal_title：Environmental toxicology and chemistry

authors： Angus RA,Weaver SA,Grizzle JM,Watson RD

更新日期：2002-07-01 00:00:00

abstract：:To develop a multimetal toxicity model requires insight into the relationships between the composition of metal mixtures and their toxicological effects on organisms. As a first step in developing such a model, quantitative data from binary and higher mixture studies of Cu, Cd, and Zn were compiled and used to assess ...

journal_title：Environmental toxicology and chemistry

authors： Vijver MG,Elliott EG,Peijnenburg WJ,de Snoo GR

更新日期：2011-06-01 00:00:00

abstract：:During the past two decades, the phenomenon of hormesis has gained increased recognition. To promote research in hormesis, a sound statistical quantification of important parameters, such as the level and significance of the increase in response and the range of concentration where it occurs, is strongly needed. Here,...

journal_title：Environmental toxicology and chemistry

authors： Cedergreen N,Ritz C,Streibig JC

更新日期：2005-12-01 00:00:00

abstract：:A study of the ecotoxicity of different short aliphatic protic ionic liquids (PILs) on terrestrial organisms was conducted. Tests performed within the present study include those assessing the effects of PILs on soil microbial functions (carbon and nitrogen mineralization) and terrestrial plants. The results show that...

journal_title：Environmental toxicology and chemistry

authors： Peric B,Martí E,Sierra J,Cruañas R,Iglesias M,Garau MA

更新日期：2011-12-01 00:00:00

abstract：:The effects of point-source and diffuse discharges on resident populations of brown bullhead catfish (Ameiurus nebulosus (LeSueur, 1819)) in the Waikato River (New Zealand) were assessed at sites both upstream and downstream of point-source discharges. At each site, the population parameters, relative abundance, age s...

journal_title：Environmental toxicology and chemistry

authors： West DW,Ling N,Hicks BJ,Tremblay LA,Kim ND,Van den Heuvel MR

更新日期：2006-07-01 00:00:00

abstract：:We examined the effect of tributyltin (TBT) on reproduction of the pearl oyster (Pinctada fucata martensii). In a maternal exposure test, five female pearl oysters were exposed to TBT at measured concentrations of 0 (control), 0.092, or 0.191 microg/L at 25 degreesC for one week, and the embryo developmental success (...

journal_title：Environmental toxicology and chemistry

authors： Inoue S,Oshima Y,Nagai K,Yamamoto T,Go J,Kai N,Honjo T

更新日期：2004-05-01 00:00:00

abstract：:Biofilms can make good bioindicators and biomarkers, offering a convenient tool to monitor metal contamination in streams that results from mine tailing sites. Biofilm metal content (Cu, Zn, Cd, Pb) as well as diatom diversity and the presence of teratologies (diatom abnormalities) were determined for biofilms from ri...

journal_title：Environmental toxicology and chemistry

authors： Leguay S,Lavoie I,Levy JL,Fortin C

更新日期：2016-06-01 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