Silver nanoparticle toxicity to Daphnia magna is a function of dissolved silver concentration.

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：:Breeding pairs of mallards (Anas platyrhynchos) were fed a control diet or a diet containing 0.5 microg/g mercury (Hg) in the form of methylmercury chloride. There were no effects of Hg on adult weights and no overt signs of Hg poisoning in adults. The Hg-containing diet had no effect on fertility of eggs, but hatchin...

journal_title：Environmental toxicology and chemistry

authors： Heinz GH,Hoffman DJ,Klimstra JD,Stebbins KR

更新日期：2010-03-01 00:00:00

abstract：:Equilibrium distribution models of hydrophobic neutral partitioning of the perfluorinated carboxylic and sulfonic acids were shown, without the need for any physical chemical properties, to successfully predict the sediment-water distribution (D(SW) ) directly from independently measured equilibrium tissue distributio...

journal_title：Environmental toxicology and chemistry

authors： Webster EM,Ellis DA

更新日期：2011-10-01 00:00:00

abstract：:Sheepshead minnows (Cyprinodon variegatus) were continuously exposed to two concentrations of polycyclic aromatic hydrocarbons (PAHs) dissolved in seawater (sigma PAH = 7.57 and 72.31 microg/L) for 36 d, followed by 8 d of depuration. The PAHs studied were naphthalene (NPH or C0-NPH), phenanthrene (PHE or C0-PHE), pyr...

journal_title：Environmental toxicology and chemistry

authors： Jonsson G,Bechmann RK,Bamber SD,Baussant T

更新日期：2004-06-01 00:00:00

abstract：:The isolated effects of a single insecticide can be difficult to assess in natural settings because of the presence of numerous pollutants in many watersheds. Imidacloprid use for suppressing hemlock woolly adelgid, Adelges tsugae (Annand) (Hemiptera: Adelgidae), in forests offers a rare opportunity to assess potentia...

journal_title：Environmental toxicology and chemistry

authors： Benton EP,Grant JF,Nichols RJ,Webster RJ,Schwartz JS,Bailey JK

更新日期：2017-11-01 00:00:00

abstract：:Safety factors are used in ecological risk assessments to extrapolate from the toxic responses of laboratory test species to all species representing that group in the environment. More accurate extrapolation of species responses is important. Advances in understanding the mechanistic basis for toxicological responses...

journal_title：Environmental toxicology and chemistry

authors： Celander MC,Goldstone JV,Denslow ND,Iguchi T,Kille P,Meyerhoff RD,Smith BA,Hutchinson TH,Wheeler JR

更新日期：2011-01-01 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：:Inorganic fluorides were declared toxic under the Canadian Environmental Protection Act in 1993 based on their potential to cause long-term harmful effects in aquatic and terrestrial ecosystems, but information on the toxicity of sediment-associated fluoride to freshwater benthic organisms was considered incomplete. T...

journal_title：Environmental toxicology and chemistry

authors： Metcalfe-Smith JL,Holtze KE,Sirota GR,Reid JJ,de Solla SR

更新日期：2003-01-01 00:00:00

abstract：:This study was designed to investigate whether or not chronic exposure to Chornobyl radiation poses a molecular genetic risk to mammals by examining a relatively rapidly evolving genetic system, mitochondrial DNA (mtDNA). More mtDNA mutations (approximately 19%) and an increase in mtDNA heteroplasmy (approximately 5%)...

journal_title：Environmental toxicology and chemistry

authors： Wickliffe JK,Chesser RK,Rodgers BE,Baker RJ

更新日期：2002-06-01 00:00:00

abstract：:DNA microarray technology enables genome-wide detection of cell response at the transcriptional level. We are planning to make bioassay systems that can detect environmental chemicals to screen for potential bioreactive agents. To develop a DNA microarray for our purposes, the changes in gene expression underlying the...

journal_title：Environmental toxicology and chemistry

authors： Momose Y,Iwahashi H

更新日期：2001-10-01 00:00:00

abstract：:The radiotracer technique was used to assess the influences of sediment-metal contact time or aging (up to two years) on the bioavailability and geochemical speciation of Cd and Zn in sediments. Bioavailability was quantified by measuring the assimilation efficiency of metals in two deposit-feeding invertebrates (sipu...

journal_title：Environmental toxicology and chemistry

authors： Zhong H,Wang WX

更新日期：2006-10-01 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：: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：: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：:Levels and distribution of polybrominated diphenyl ethers (PBDEs) in various tissues of hens foraging near an electronic wastes stack spot in Taizhou, China, were studied. With high-resolution gas chromatography/negative chemical ionization mass spectrometry analysis, 37 PBDE congeners from di- to hepta-brominated and...

journal_title：Environmental toxicology and chemistry

authors： Liang SX,Zhao Q,Qin ZF,Zhao XR,Yang ZZ,Xu XB

更新日期：2008-06-01 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：:The estrogenic activity of the effluent from three municipal wastewater treatment plants (WWTPs) in Nanjing, China, was investigated. The water samples were enriched by solid-phase extraction and then eluted with different polar solvents, which gave 11 fractionated extracts. Chemical analysis and a vitellogenin (Vtg) ...

journal_title：Environmental toxicology and chemistry

authors： Lu G,Zhang H,Wang C

更新日期：2010-06-01 00:00:00

abstract：:The present study examined the relative importance of copper (aqueous Cu and CuO particles of different sizes) added to sediment to determine the bioaccumulation, toxicokinetics, and effects in the deposit feeder Potamopyrgus antipodarum. In experiment 1, the bioaccumulation of Cu (240 µg Cu/g dry wt of sediment) adde...

journal_title：Environmental toxicology and chemistry

authors： Pang C,Selck H,Banta GT,Misra SK,Berhanu D,Dybowska A,Valsami-Jones E,Forbes VE

更新日期：2013-07-01 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：:The ventilation amplitude and frequency of silver perch Bidyanus bidyanus, and the ventilation frequency of rainbow fish Melanotaenia duboulayi and rainbow trout Oncorhynchus mykiss, were determined at different temperatures upon exposure to endosulfan and chlorpyrifos, respectively. Silver perch and rainbow fish were...

journal_title：Environmental toxicology and chemistry

authors： Patra RW,Chapman JC,Lim RP,Gehrke PC,Sunderam RM

更新日期：2009-10-01 00:00:00

abstract：:A key success factor for the performance of passive samplers is the proper calibration of sampling rates. Sampling rates for a wide range of polar organic compounds are available for Chemcatchers and polar organic chemical integrative samplers (POCIS), but the mechanistic models that are needed to understand the effec...

journal_title：Environmental toxicology and chemistry

authors： Booij K,Chen S

更新日期：2018-07-01 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：:The photodegradation rate of the anti-histamine cetirizine (Zyrtec®) was investigated in various water matrices. The average observed first-order photodegradation rate coefficient (kobs ), obtained by linear regression of the logarithmic-transformed cetirizine concentrations versus irradiation time in simulated sunlig...

journal_title：Environmental toxicology and chemistry

authors： Mead RN,Barefoot S,Helms JR,Morgan JB,Kieber RJ

更新日期：2014-10-01 00:00:00

abstract：:Pyrethroids are widely used insecticides, but minimal information has been published on their presence in municipal wastewater in the United States. Pyrethroids in wastewater from the Sacramento, California, USA, area consisted of permethrin, bifenthrin, cypermethrin, and cyhalothrin, with a combined concentration of ...

journal_title：Environmental toxicology and chemistry

authors： Weston DP,Ramil HL,Lydy MJ

更新日期：2013-11-01 00:00:00

abstract：:In recent years, concern has been growing that numerous manmade chemicals entering the environment are capable of mimicking endogenous hormones in wildlife. In an attempt to define and evaluate the possible impact of endocrine-disrupting substances (EDS) on insects, three vertebrate hormones were tested for their effe...

journal_title：Environmental toxicology and chemistry

authors： Kirkbride-Smith AE,Bell HA,Edwards JP

更新日期：2001-08-01 00:00:00

abstract：:The objective of this study was to investigate the fate and removal of triclosan (TCS; 5-chloro-2-[2,4-dichloro-phenoxy]-phenol), an antimicrobial agent used in a variety of household and personal-care products, in wastewater treatment systems. This objective was accomplished by monitoring the environmental concentrat...

journal_title：Environmental toxicology and chemistry

authors： McAvoy DC,Schatowitz B,Jacob M,Hauk A,Eckhoff WS

更新日期：2002-07-01 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：:A new short life-cycle test methodology is presented to evaluate sublethal effects of contaminated sediments to the harpacticoid copepod species Nitocra spinipes. The method combines a 4-d survival-gravidity test with a 7-d development test. For water-only Cu exposures, the sensitivity of the development test endpoint...

journal_title：Environmental toxicology and chemistry

authors： Perez-Landa V,Simpson SL

更新日期：2011-06-01 00:00:00

abstract：:We quantified the uncertainty due to biota-related parameters in estimated bioaccumulation factors (BAFs) of persistent organic pollutants for fish through Monte Carlo simulations. For this purpose, the bioaccumulation model OMEGA (Optimal Modeling for EcotoxicoloGical Applications) was parameterized based on data fro...

journal_title：Environmental toxicology and chemistry

authors： Hauck M,Hendriks HW,Huijbregts MA,Ragas AM,van de Meent D,Hendriks AJ

更新日期：2011-02-01 00:00:00

abstract：:The present study examined the occurrence and concentration of per- and polyfluoroalkyl substances (PFAS) measured in game ducks (13 compounds), water, sediment, and soils (33 compounds) in waterways in Victoria, Australia. The study aimed to identify potential ecological and human health risks from measured PFAS conc...

journal_title：Environmental toxicology and chemistry

authors： Sharp S,Sardiña P,Metzeling L,McKenzie R,Leahy P,Menkhorst P,Hinwood A

更新日期：2020-07-16 00:00:00