Evaluation of metal toxicity by a modified method based on the fungus Gerronema viridilucens bioluminescence in agar medium.

abstract：:The Athabasca River basin, located in Alberta, Canada, covers 157, 000 km(2) and holds significant cultural and economic importance. Recent research assessed changes in several water quality and quantity parameters that have changed both spatially (along the river continuum) and temporally (pre-development and present...

journal_title：Environmental toxicology and chemistry

authors： Squires AJ,Dubé MG,Rozon-Ramilo LD

更新日期：2013-03-01 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：:A method is proposed for estimating metabolic biotransformation rate constants for nonionic organic chemicals from measured laboratory bioconcentration and dietary bioaccumulation data in fish. Data have been selected based on a quality review to reduce uncertainty in the measured values. A kinetic mass balance model ...

journal_title：Environmental toxicology and chemistry

authors： Arnot JA,Mackay D,Bonnell M

更新日期：2008-02-01 00:00:00

abstract：:Interest in stream mesocosms has recently revived for higher tier aquatic macrophyte risk assessment of plant protection products mainly because 1) the highest predicted environmental concentrations for the assessment of effects are frequently derived from stream scenarios, and 2) they allow an effect assessment using...

journal_title：Environmental toxicology and chemistry

authors： Wieczorek MV,Bakanov N,Lagadic L,Bruns E,Schulz R

更新日期：2017-04-01 00:00:00

abstract：:Sublethal test methods are being used with increasing frequency to measure sediment toxicity, but little is known about the relative sensitivity of these tests compared to the more commonly used acute tests. The present study was conducted to compare the sensitivity of several acute and sublethal methods and to invest...

journal_title：Environmental toxicology and chemistry

authors： Greenstein D,Bay S,Anderson B,Chandler GT,Farrar JD,Keppler C,Phillips B,Ringwood A,Young D

更新日期：2008-04-01 00:00:00

abstract：:recent industrial developments have resulted in an increase in use of so-called technology-critical elements (TCEs), for which the potential impacts on aquatic biota remain to be evaluated. In the present study, quantitative ion character activity relationships (QICARs) have been developed to relate intrinsic metal pr...

journal_title：Environmental toxicology and chemistry

authors： Le Faucheur S,Mertens J,Van Genderen E,Boullemant A,Fortin C,Campbell PGC

更新日期：2020-12-14 00:00:00

abstract：:The assessment of chemicals as bioaccumulative in the regulatory process makes use of the bioconcentration factor as a metric. However, this metric does not account for the dietary uptake route and therefore cannot be applied to terrestrial food chains. In recent years, the biomagnification factor (BMF) and the trophi...

journal_title：Environmental toxicology and chemistry

authors： Goss KU,Brown TN,Endo S

更新日期：2013-07-01 00:00:00

abstract：:A selective pressurized liquid extraction technique was developed for the simultaneous extraction of polychlorinated dibenzo-p-dioxins/dibenzofurans (PCDD/Fs) and dioxin-like polychlorinated biphenyls (dl-PCBs) from contaminated sediments. The final method incorporated cleanup adsorbents (Florisil, alumina, and silica...

journal_title：Environmental toxicology and chemistry

authors： Aguilar L,Williams ES,Brooks BW,Usenko S

更新日期：2014-07-01 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：:To determine whether the bioavailability of trace elements derived from coal ash leachates varies with the geochemical conditions associated with their formation, we quantified periphyton bioaccumulation and subsequent trophic transfer to the mayfly Neocloeon triangulifer. Oxic ash incubations favored periphyton uptak...

journal_title：Environmental toxicology and chemistry

authors： Scheibener SA,Rivera NA,Hesterberg D,Duckworth OW,Buchwalter DB

更新日期：2017-11-01 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：:Natural biotic and anthropogenic stressors can interact to alter contaminant toxicity. Energetic restrictions are potential mechanisms causing this pattern. To identify processes underlying observed effects of predation risk and copper (Cu) on delayed copepod age at maturity, we examined how these 2 stressors affect r...

journal_title：Environmental toxicology and chemistry

authors： Lode T,Heuschele J,Andersen T,Titelman J,Hylland K,Borgå K

更新日期：2020-09-01 00:00:00

abstract：:In metal-polluted environments, high concentrations of metals such as zinc, cadmium, copper, and lead are present. Many studies have been conducted to determine uptake and binding of the nonessential, toxic metal cadmium. Effects of essential metals on this uptake and binding remain unclear. The aim of the present stu...

journal_title：Environmental toxicology and chemistry

authors： Sterenborg I,Vork NA,Verkade SK,van Gestel CA,van Straalen NM

更新日期：2003-05-01 00:00:00

abstract：:Laboratory studies were conducted to determine the influence of surface and subsurface properties of three representative soils of the humid pampas of Argentina on atrazine and metribuzin sorption. Atrazine and metribuzin sorption isotherms were constructed for each soil at four depths. Sorption affinity of herbicides...

journal_title：Environmental toxicology and chemistry

authors： Daniel PE,Bedmar F,Costa JL,Aparicio VC

更新日期：2002-12-01 00:00:00

abstract：:Laboratory bioassays were conducted to evaluate the effects on honeybee behavior of sublethal doses of insecticides chronically administered orally or by contact. Emergent honeybees received a daily dose of insecticide ranging from one-fifth to one-five-hundredth of the median lethal dose (LD50) during 11 d. After exp...

journal_title：Environmental toxicology and chemistry

authors： Aliouane Y,El Hassani AK,Gary V,Armengaud C,Lambin M,Gauthier M

更新日期：2009-01-01 00:00:00

abstract：:Fluorotelomer carboxylic acids (FTCAs) and the corresponding unsaturated acids (FTUCAs) are known intermediates in the biodegradation of industrially produced fluorotelomer alcohols (FTOHs) to environmentally persistent perfluorinated carboxylic acids (PFCAs). The FTCAs and FTUCAs are of concern for their toxicity, re...

journal_title：Environmental toxicology and chemistry

authors： Myers AL,Mabury SA

更新日期：2010-08-01 00:00:00

abstract：:To further characterize avian toxicity to environmental levels of select per- and poly-fluoroalkyl substances (PFAS), we established species- and tissue-specific PFAS chronic toxicity values (CTVs) associated with a lowest-observable-adverse effect level (LOAEL) threshold previously established for northern bobwhite q...

journal_title：Environmental toxicology and chemistry

authors： Dennis NM,Subbiah S,Karnjanapiboonwong A,Dennis ML,McCarthy C,Salice CJ,Anderson TA

更新日期：2020-11-19 00:00:00

abstract：:Rate constant bioaccumulation models are applied to simulate the flow of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in the coastal marine food web of Frierfjorden, a contaminated fjord in southern Norway. We apply two different ways to parameterize the rate constants in the model, global sensitivity...

journal_title：Environmental toxicology and chemistry

authors： Saloranta TM,Andersen T,Naes K

更新日期：2006-01-01 00:00:00

abstract：:One target of development and application of TiO(2) nanoparticles (nano-TiO(2) ) is photochemical degradation of contaminants and photo-killing of microbes and fouling organisms. However, few ecotoxicological studies have focused on this aspect of nano-TiO(2) , specifically whether this photoreactivity might significa...

journal_title：Environmental toxicology and chemistry

authors： Ma H,Brennan A,Diamond SA

更新日期：2012-07-01 00:00:00

abstract：:The dissolved uptake rate constant (k(u)), dietary assimilation efficiency (AE), and efflux rate constant (k(e)) of cadmium (Cd) and zinc (Zn) were quantified in a freshwater zooplankton Daphnia magna cultured at different ambient calcium (Ca) concentrations. The animals were first acclimated to different ambient Ca l...

journal_title：Environmental toxicology and chemistry

authors： Tan QG,Wang WX

更新日期：2008-07-01 00:00:00

abstract：:Bisphenol A (BPA) is a ubiquitous chemical in the environment and potentially harmful to plants. However, relevant studies of the effects of BPA on plants are relatively scarce. In the present work, the effects of BPA on the biomass (fresh wt and dry wt), absorptive function (activity and absorptive area), and mineral...

journal_title：Environmental toxicology and chemistry

authors： Nie L,Wang L,Wang Q,Wang S,Zhou Q,Huang X

更新日期：2015-01-01 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：:Pyrethroid insecticide use in California, USA, is growing, and there is a need to understand the fate of these compounds in the environment. Concentrations and toxicity were assessed in streambed sediment of the San Joaquin Valley of California, one of the most productive agricultural regions of the United States. Con...

journal_title：Environmental toxicology and chemistry

authors： Domagalski JL,Weston DP,Zhang M,Hladik M

更新日期：2010-04-01 00:00:00

abstract：:Polycyclic aromatic hydrocarbons (PAHs) are major components of wastes from municipal gas plants and many wood preservatives. Soil contaminated with these wastes is a potential threat to human health because of the carcinogenicity of many PAHs. This study follows the fate of two four-ring PAHs, pyrene and chrysene, in...

journal_title：Environmental toxicology and chemistry

authors： Roper JC,Pfaender FK

更新日期：2001-02-01 00:00:00

abstract：:Recently we showed that tetracyclines tend to persist and may accumulate in sandy soils after repeated fertilizations with liquid manure. We continued these field investigations from 2001 to 2003 and observed no further accumulation of tetracyclines in soil, but found that the average tetracycline concentration remain...

journal_title：Environmental toxicology and chemistry

authors： Hamscher G,Pawelzick HT,Höper H,Nau H

更新日期：2005-04-01 00:00:00

abstract：:In plant tissues, xenobiotics often are conjugated with natural constituents such as sugars, amino acids, glutathione, and malonic acid. Usually, conjugation processes result in a decrease in the reactivity and toxicity of xenobiotics by increasing the water solubility and polarity of conjugates, and reducing their mo...

journal_title：Environmental toxicology and chemistry

authors： Laurent F,Canlet C,Debrauwer L,Pascal-Lorber S

更新日期：2007-11-01 00:00:00

abstract：:An assessment of biodegradability was carried out for fragrance substances containing quaternary carbons by using data obtained from Organisation for Economic Co-operation and Development (OECD) 301F screening tests for ready biodegradation and from Biowin and Catalogic prediction models. Despite an expected challengi...

journal_title：Environmental toxicology and chemistry

authors： Seyfried M,Boschung A

更新日期：2014-05-01 00:00:00

abstract：:There is growing concern about possible effects of exploitation of the Alberta Oil Sands on the ambient environment, including possible effects on populations of fishes in the Athabasca River and farther downstream in Lake Athabasca and the Slave River. In the present study, concentrations of metals in dorsal muscle t...

journal_title：Environmental toxicology and chemistry

authors： Tendler B,Ohiozebau E,Codling G,Giesy JP,Jones PD

更新日期：2020-11-01 00:00:00

abstract：:American toad (Bufo americanus) tadpoles were exposed to cadmium from shortly after hatching through metamorphosis. Cadmium at 540 microg/L decreased percentage survival and metamorphosis; 5 and 54 microg/L increased growth relative to controls. Amphibians exposed to cadmium as tadpoles may be less tolerant of natural...

journal_title：Environmental toxicology and chemistry

authors： James SM,Little EE

更新日期：2003-02-01 00:00:00

abstract：:The availability of literature regarding sublethal and chronic toxicity of heavy metals to early life stages of marine species is restricted to a few species of invertebrate mollusks. The early life stage of abalone, an important gastropod both environmentally and commercially, has been involved in limited research in...

journal_title：Environmental toxicology and chemistry

authors： Gorski J,Nugegoda D

更新日期：2006-05-01 00:00:00