Bioassay of cadmium using a DNA microarray: genome-wide expression patterns of Saccharomyces cerevisiae response to cadmium.

abstract：:Riverine runoff samples were collected monthly from March 2005 to February 2006 from the eight major outlets of the Pearl River Delta (PRD), South China, and analyzed to obtain the concentrations of n-alkanes in both the filtrate and particulate phases. The average concentrations of Sigma(C15-C34) (i.e., sum of C15 to...

journal_title：Environmental toxicology and chemistry

authors： Wang JZ,Ni HG,Guan YF,Zeng EY

更新日期：2008-10-01 00:00:00

abstract：:The toxicity and efficacy of a bacteria-based commercial bioremediation agent (CBA) was assessed through bioassays with juvenile inland silverside minnows, Menidia beryllina, and flask studies of oil degradation. Addition of the CBA to weathered Alaska, USA North Slope crude oil (ANS-521) prior to testing increased to...

journal_title：Environmental toxicology and chemistry

authors： Bidwell JR,Cherry DS,Merski AT

更新日期：2003-01-01 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：:Synthetic pyrethroids (SPs) are a group of hydrophobic compounds with significant aquatic toxicity. Their strong affinity to suspended solids and humic materials suggests that SPs in natural surface water are distributed in solid-adsorbed, dissolved organic matter (DOM)-adsorbed, and freely dissolved phases. The freel...

journal_title：Environmental toxicology and chemistry

authors： Liu W,Gan JJ,Lee S,Kabashima JN

更新日期：2004-01-01 00:00:00

abstract：:A hybrid model based on the positive matrix factorization (PMF) model and the health risk assessment model for assessing risks associated with sources of perfluoroalkyl substances (PFASs) in water was established and applied at Dianchi Lake to test its applicability. The new method contains 2 stages: 1) the sources of...

journal_title：Environmental toxicology and chemistry

authors： Xu J,Shi GL,Guo CS,Wang HT,Tian YZ,Huangfu YQ,Zhang Y,Feng YC,Xu J

更新日期：2018-01-01 00:00:00

abstract：:The sorption properties of tetracycline were compared between a coal humic acid (CHA) and a soil humic acid (SHA) under various solution chemistry conditions. Structural characteristics of the two humic acids were quantified in detail by elemental analysis, solid-state (13)C nuclear magnetic resonance (NMR), acid-base...

journal_title：Environmental toxicology and chemistry

authors： Sun H,Shi X,Mao J,Zhu D

更新日期：2010-09-01 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：:Monte Carlo simulations were used to evaluate statistical methods for estimating 95% upper confidence limits of mean constituent concentrations for left-censored data with nonuniform detection limits. Two primary scenarios were evaluated: data sets with 15 to 50% nondetected samples and data sets with 51 to 80% nondet...

journal_title：Environmental toxicology and chemistry

authors： Sinha P,Lambert MB,Trumbull VL

更新日期：2006-09-01 00:00:00

abstract：:A microbial consortium that degrades ethyl-tert-butyl ether (ETBE) as the sole source of carbon and energy under aerobic conditions was selected from a gasoline-polluted soil. This consortium consists of a variety of microorganisms with a predominance of filamentous morphology. Degradation of ETBE was found to be sole...

journal_title：Environmental toxicology and chemistry

authors： Kharoune M,Kharoune L,Lebault JM,Pauss A

更新日期：2002-10-01 00:00:00

abstract：:The fish toxicity assay most commonly used to establish chronic effects is the Organisation for Economic Co-operation and Development (OECD) 210, fish early-life stage test. However, the authors are not aware of any systematic analysis of the experimental design or statistical characteristics of the test since the tes...

journal_title：Environmental toxicology and chemistry

authors： Oris JT,Belanger SE,Bailer AJ

更新日期：2012-02-01 00:00:00

abstract：:Environmental contamination is suggested to contribute to amphibian population declines. However, the effects of a contaminant on a particular amphibian species can differ among populations. The authors investigated the toxic effects of 2 herbicide formulations on different populations and on representative developmen...

journal_title：Environmental toxicology and chemistry

authors： Wagner N,Veith M,Lötters S,Viertel B

更新日期：2017-01-01 00:00:00

abstract：:Increased temperature and other environmental effects of global climate change (GCC) have documented impacts on many species (e.g., polar bears, amphibians, coral reefs) as well as on ecosystem processes and species interactions (e.g., the timing of predator-prey interactions). A challenge for ecotoxicologists is to p...

journal_title：Environmental toxicology and chemistry

authors： Moe SJ,De Schamphelaere K,Clements WH,Sorensen MT,Van den Brink PJ,Liess M

更新日期：2013-01-01 00:00:00

abstract：:A systematic comparison of Cu toxicity thresholds was made between freshly spiked soils and soils in which elevated Cu concentrations have been present for various times. Three uncontaminated soils were spiked and experimentally leached or incubated outdoors for up to 18 months. Additionally, five field-contaminated s...

journal_title：Environmental toxicology and chemistry

authors： Oorts K,Bronckaers H,Smolders E

更新日期：2006-03-01 00:00:00

abstract：:Populations of Cascades frogs (Rana cascadae) have declined precipitously in the Mount Lassen area, but remain abundant in the other half of their California range in the Klamath Mountains. To evaluate the role of contaminants in Cascade frog declines, we sampled sediment and frog tadpole tissue at 31 sites where Casc...

journal_title：Environmental toxicology and chemistry

authors： Davidson C,Stanley K,Simonich SM

更新日期：2012-08-01 00:00:00

abstract：:Genetic diversity among laboratory and field populations of Chironomus riparius was investigated using microsatellite DNA analysis. Individuals of midge cultures reared in 10 different laboratories showed a clear reduction in the number of alleles per locus and in the level of heterozygosity compared to two natural po...

journal_title：Environmental toxicology and chemistry

authors： Nowak C,Vogt C,Diogo JB,Schwenk K

更新日期：2007-05-01 00:00:00

abstract：:A dike failure at the Tennessee Valley Authority Kingston Fossil Plant in East Tennessee, United States, in December 2008, released approximately 4.1 million m(3) of coal ash into the Emory River. From 2009 through 2012, samples of mayfly nymphs (Hexagenia bilineata) were collected each spring from sites in the Emory,...

journal_title：Environmental toxicology and chemistry

authors： Smith JG,Baker TF,Murphy CA,Jett RT

更新日期：2016-05-01 00:00:00

abstract：:Recent studies have found a correlation between organophosphate (OP) pesticide exposure and declines in amphibian populations. We evaluated the hypothesis that this relationship is driven by behavioral changes in developing larvae. Specifically, we examined how exposure to a common OP pesticide, chlorpyrifos, influenc...

journal_title：Environmental toxicology and chemistry

authors： Widder PD,Bidwell JR

更新日期：2006-09-01 00:00:00

abstract：:Extensive industrial areas in headwater stream watersheds can severely impact the physical condition of streams and introduce contaminants. We compared 3 streams that received stormwater runoff and industrial effluents from industrial complexes to 2 reference streams. Reference streams provide a benchmark of compariso...

journal_title：Environmental toxicology and chemistry

authors： Fletcher DE,Lindell AH,Seaman JC,Stankus PT,Fletcher ND,Barton CD,Biemiller RA,McArthur JV

更新日期：2019-01-01 00:00:00

abstract：:Waterborne Cu effects on the transcription of genes encoding ion-transporting proteins and the activities of these proteins were evaluated in gills of the blue crab Callinectes sapidus acclimated to diluted (2‰) and full (30‰) seawater. Crabs were exposed (96 h) to an environmentally relevant concentration of dissolve...

journal_title：Environmental toxicology and chemistry

authors： Martins CM,Almeida DV,Marins LF,Bianchini A

更新日期：2011-01-01 00:00:00

abstract：:Biodegradation of trichloroethylene (TCE) by toluene-degrading bacteria was measured under aerobic conditions in aqueous and soil-slurry batch microcosms. For soil-phase experiments, a freshly contaminated soil and a soil containing only the desorption-resistant fraction of TCE were tested. In both cases, presence of ...

journal_title：Environmental toxicology and chemistry

authors： Lee S,Moe WM,Valsaraj KT,Pardue JH

更新日期：2002-08-01 00:00:00

abstract：:The toxicity and estrogenicity of a final treated municipal effluent was examined while flowing through a constructed wetland in north-central Texas, USA. Fish data were collected, and a baseline wetland characterization was performed to assess wetland treatment potential for these effluent properties. Vitellogenin (V...

journal_title：Environmental toxicology and chemistry

authors： Hemming JM,Waller WT,Chow MC,Denslow ND,Venables B

更新日期：2001-10-01 00:00:00

abstract：:Exposure to agrochemicals in the aquatic environment often occurs as time-varying or repeated pulses. Time-varying exposures may occur due to runoff events and spray drift associated with precipitation and application events. Hydrologic dilution, dispersion, and degradation also produce pulsed exposures. Standard labo...

journal_title：Environmental toxicology and chemistry

authors： Reinert KH,Giddings JM,Judd L

更新日期：2002-09-01 00:00:00

abstract：:The European Union System for the Evaluation of Substances (EUSES) is a computerized model system to facilitate and harmonize health and environmental risk assessment of previously notified and new substances. For calculation of regional background exposure, a multimedia distribution model is used. In the present stud...

journal_title：Environmental toxicology and chemistry

authors： Matthies M,Berding V,Beyer A

更新日期：2004-10-01 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：:Herbicide drift may cause adverse effects on natural and semi-natural plant communities, and it has been debated whether the current ecological risk assessments are adequate to protect non-target terrestrial plant species (NTTP). In this study, nine NTTPs with different lifespans (three annual/ six perennial) belongin...

journal_title：Environmental toxicology and chemistry

authors： Mathiassen SK,Boutin C,Strandberg B,Carpenter D,Damgaard C

更新日期：2021-01-25 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 bleached kraft pulp mill discharging effluent to the Mattagami River in northern Ontario, Canada, closed after almost 90 yr of operation. During its operation, effluent from the mill influenced biota in the downstream areas. To assess shifts in the reliance of biota from mill-derived nutrients, the isotopic composit...

journal_title：Environmental toxicology and chemistry

authors： McMahon HM,Arciszewski TJ,Munkittrick KR,Kidd KA

更新日期：2020-05-01 00:00:00

abstract：:The distribution and characteristics of MC252 oil:sand aggregates, termed surface residue balls (SRBs), were measured on the supratidal beach environment of oil-impacted Fourchon Beach in Louisiana (USA). Probability distributions of 4 variables, surface coverage (%), size of SRBs (mm(2) of projected area), mass of SR...

journal_title：Environmental toxicology and chemistry

authors： Lemelle KR,Elango V,Pardue JH

更新日期：2014-07-01 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：:Treatment of municipal wastewater reduces the concentrations of some pharmaceuticals and personal care products (PPCPs), hormones, and drugs of abuse. However, reduced concentrations of these micropollutants in wastewater may not correlate with reduced toxicity because transformations of micropollutants and/or the for...

journal_title：Environmental toxicology and chemistry

authors： Maya N,Crispo C,McFarland V,Nasuhoglu D,Isazadeh S,Yargeau V,Metcalfe CD

更新日期：2018-01-01 00:00:00