Arsenic induced modulation of antioxidative defense system and brassinosteroids in Brassica juncea L.

abstract：:Joint effects of temperature and oxygen concentrations for the results of sediment toxicity tests were studied at 10 and 20 degrees C with 40% and 80% dissolved oxygen (DO) saturation. Growth, feeding rate, and reproduction of Lumbriculus variegatus (Oligochaete) and growth, emergence, and survival of Chironomus ripar...

journal_title：Ecotoxicology and environmental safety

authors： Airas S,Leppänen M,Kukkonen JV

更新日期：2008-07-01 00:00:00

abstract：:We investigated the occurrence of tolerance to atrazine (2-chloro-4-ethylamino-6-isopropylamino-s-triazine) in soil microalgae by means of the pollution-induced community tolerance methodology. To this end, a natural soil assemblage of microalgae, reared under laboratory conditions, was used as experimental model. Exp...

journal_title：Ecotoxicology and environmental safety

authors： García-Villada L,Reboud X

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:Bisphenol A (BPA) is a well-known xenobiotic endocrine disrupting chemical, with estrogenic activity and many other potential biological effects. Although multiple toxicities have been reported for BPA, molecular mechanisms underlying the transgenerational toxic effects of BPA are still underestimated. METH...

journal_title：Ecotoxicology and environmental safety

authors： Huang W,Zheng S,Wang X,Cai Z,Xiao J,Liu C,Wu K

更新日期：2020-12-01 00:00:00

abstract：:Rainbow trout were exposed in situ to oil sands-affected waters for 21 d, either with or without an immune stimulation using inactivated Aeromonas salmonicida. Three aquatic systems were utilized for the experiment: a pond containing oil sands tailings capped with approximately 3 m of natural surface water, a second p...

journal_title：Ecotoxicology and environmental safety

authors： McNeill SA,Arens CJ,Hogan NS,Köllner B,van den Heuvel MR

更新日期：2012-10-01 00:00:00

abstract：:Several metabolic systems in Eisenia foetida competent to achieve an intracellular Cr(VI) reduction are described. Evidence that earthworms act as effective scavengers of hexavalent chromium from the environment is also provided. Results suggest that E. foetida may play an important role during occasional Cr(VI) pollu...

journal_title：Ecotoxicology and environmental safety

authors： Arillo A,Melodia F

更新日期：1991-02-01 00:00:00

abstract：:Ferric nitrate was employed to modify activated carbon prepared from Iris tectorum during H₃PO₄ activation and ability of prepared activated carbon for removal of tetracycline (TC) was investigated. The properties of the activated carbon samples with or without ferric nitrate, ITAC-Fe and ITAC, were measured by scanni...

journal_title：Ecotoxicology and environmental safety

authors： Li G,Zhang D,Wang M,Huang J,Huang L

更新日期：2013-12-01 00:00:00

abstract：:Phosphite (Phi), an analog of phosphate (Pi) anion, is emerging as a potential biostimulator, fungicide and insecticide. Here, we reported that Phi also significantly enhanced thermotolerance in potatoes under heat stress. Potato plants with and without Phi pretreatment were exposed to heat stress and their heat toler...

journal_title：Ecotoxicology and environmental safety

authors： Xi Y,Han X,Zhang Z,Joshi J,Borza T,Mohammad Aqa M,Zhang B,Yuan H,Wang-Pruski G

更新日期：2020-03-01 00:00:00

abstract：:Two experiments were conducted to evaluate the interference of magnesium on zinc adsorption in freshwater fish pond sediment and zinc accumulation in the freshwater teleost Labeo rohita (Hamilton). The study demonstrated that increasing the concentration of magnesium as magnesium sulfate from 100 to 400 mg kg(-1) decr...

journal_title：Ecotoxicology and environmental safety

authors： Adhikari S

更新日期：2004-10-01 00:00:00

abstract：:Many studies have reported that exposure to ambient air pollution has adverse effects on health. However, there are little researches to explore the relationship between ambient air pollution and chronic sinusitis (CS). From January 1 2015 to December 31 2018, a time-series study were carried out to investigate the ac...

journal_title：Ecotoxicology and environmental safety

authors： Lu M,Ding S,Wang J,Liu Y,An Z,Li J,Jiang J,Wu W,Song J

更新日期：2020-10-01 00:00:00

abstract：:Cu phytoremediation potential of an ornamental plant, Calandula officinalis, was explored in terms of growth responses, photosynthetic activities and antioxidant enzymes such as SOD, CAT and GPX. The results showed that this plant had high Cu tolerance of up to 400 mg/kg, which is far above the phytotoxic range for no...

journal_title：Ecotoxicology and environmental safety

authors： Goswami S,Das S

更新日期：2016-04-01 00:00:00

abstract：:Cd(II) is one of the most widespread and toxic heavy metals and seriously threatens plant growth, furthermore negatively affecting human health. For survival from this metal stress, plants always fight with Cd(II) toxicity by themselves or using other external factors. The effects of second metals copper (Cu(II)), zin...

journal_title：Ecotoxicology and environmental safety

authors： Chen Q,Lu X,Guo X,Pan Y,Yu B,Tang Z,Guo Q

更新日期：2018-08-15 00:00:00

abstract：:Carassius auratus were exposed to lead in synthetic water. Mucus secreted from the fish was measured and characterized for its lead binding capacity. The increase in mucus concentration in the water depended on secretion and degradation rates and the former was speeded up by lead. The complexation between mucus and le...

journal_title：Ecotoxicology and environmental safety

authors： Tao S,Li H,Liu C,Lam KC

更新日期：2000-06-01 00:00:00

abstract：:The kinetics of uptake and metabolism of benzo[a]pyrene (BaP) were studied in various tissues of a marine fish, the sea bass (Dicentrarchus labrax), after intragastric administration of pellets containing a 14C-labeled compound. Only 25% of injected radioactivity was detected and it was found only in intestine, gallbl...

journal_title：Ecotoxicology and environmental safety

authors： Lemaire P,Lemaire-Gony S,Berhaut J,Lafaurie M

更新日期：1992-04-01 00:00:00

abstract：:This study was designed to experimentally measure the assimilation efficiency of hexachlorobenzene (HCB) in a warm-water, benthic-feeding fish species, the channel catfish (Ictalurus punctatus). Catfish were exposed to (14)C-radiolabeled HCB in catfish food over a 28-day exposure period, followed by a 14-day clearance...

journal_title：Ecotoxicology and environmental safety

authors： Woodburn KB,Marino TA,McClymont EL,Rick DL

更新日期：2008-10-01 00:00:00

abstract：:In recent years, the release of nanomaterials pollutants to water bodies, to a great extent, attributed to anthropogenic activities. Their impacts on aquatic organisms as well as nanomaterial monitoring and bioremediation using organism have drawn much attentions. However, studies on relationship of nano-contaminants ...

journal_title：Ecotoxicology and environmental safety

authors： Weijie M,Chongnv W,Xuming P,Weixin J,Yuhang W,Benhui S

更新日期：2020-01-15 00:00:00

abstract：:The effects of hypoxia and 2,4,5-trichlorophenol (TCP) on the behavior of the freshwater clam Sphaerium corneum (L.) and the accumulation and elimination rates of 2,4,5-trichlorophenol were studied in the laboratory at 20 degrees C. After an initial high activity period, the shell valves were held closed for significa...

journal_title：Ecotoxicology and environmental safety

authors： Heinonen J,Kukkonen J,Penttinen OP,Holopainen IJ

更新日期：1997-02-01 00:00:00

abstract：:Exposure to toxic and essential metals is thought to be reflected by corresponding metal concentrations in tissues. However, toxic and essential metals may influence each other in regard to their retention in the body. Therefore a basic diet containing four toxic metals (As 7, Cd 9, Ni 13, and Pb 20 ppm) and adequate ...

journal_title：Ecotoxicology and environmental safety

authors： Elsenhans B,Schmolke G,Kolb K,Stokes J,Forth W

更新日期：1987-12-01 00:00:00

abstract：:Considerable studies have been done on heavy metal removing from aqueous solutions using loess. However, application of loess to heavy metal contaminated sediment is limited. The present study was to determine the effectiveness of loess to immobilize Cu, Zn, Cd and Pb in sediment. The loess was incubated with 10 kg we...

journal_title：Ecotoxicology and environmental safety

authors： Zang F,Wang S,Nan Z,Zhao C,Sun H,Huang W,Bao L

更新日期：2019-11-15 00:00:00

abstract：:Bioconcentration and toxicity estimation for a group of substituted phenols often categorized as "polar narcotics" can be confounded by pH-dependent ionization. Two methods of correction for ionization were applied to toxicity data obtained by U.S. EPA-Duluth for fathead minnows exposed to 30 different phenols in 37 b...

journal_title：Ecotoxicology and environmental safety

authors： McCarty LS,Mackay D,Smith AD,Ozburn GW,Dixon DG

更新日期：1993-06-01 00:00:00

abstract：:Three viability assays using fluorescent dyes effectively detected a loss of viability in cultures of three mammalian cell lines (H4IIE, Caco2, and HepG-2), two fish cell lines (RTgill-W1 and RTL-W1), and a ciliated protozoan, Tetrahymena thermophila, after exposure to Triton X-100, used as a model toxicant. The dyes ...

journal_title：Ecotoxicology and environmental safety

authors： Dayeh VR,Chow SL,Schirmer K,Lynn DH,Bols NC

更新日期：2004-03-01 00:00:00

abstract：:Geometrical optimization and electrostatic potential calculations have been performed at the HF/6-31G level of theory for investigated persistent organic pollutants (POPs). A number of statistically based parameters have been obtained. Relationship between soot-water partition coefficients (logK(SC)) of POPs and the s...

journal_title：Ecotoxicology and environmental safety

authors： Xu HY,Zou JW,Min JQ,Wang W

更新日期：2012-06-01 00:00:00

abstract：:The purpose of this study was to evaluate antioxidative responses and proline metabolism in roots and leaves of wheat seedlings after treatment with different zinc (Zn) concentrations (0, 0.5, 1 and 3mM) for 6 days. A notable reduction in Zn content was observed in 0.5mM Zn-treated leaves, but a significant elevation ...

journal_title：Ecotoxicology and environmental safety

authors： Li X,Yang Y,Jia L,Chen H,Wei X

更新日期：2013-03-01 00:00:00

abstract：:The potential adverse effects of e-waste recycling activity on environment are getting increasing concern. In this work, a model alga, Pseudokirchneriella subcapitata, was employed to assess the toxic effects of the leachates of paddy soils and river sediments collected from e-waste dismantling sites. Chemical analysi...

journal_title：Ecotoxicology and environmental safety

authors： Nie X,Fan C,Wang Z,Su T,Liu X,An T

更新日期：2015-01-01 00:00:00

abstract：:An automated biomonitoring system for early warning of pollutants in aquatic environments is described and characterized. The system uses sublethal changes in the movement behavior of the flagellate Euglena gracilis as biological endpoints. The movement is determined by real time image analysis. All parameters describ...

journal_title：Ecotoxicology and environmental safety

authors： Tahedl H,Häder DP

更新日期：2001-02-01 00:00:00

abstract：:The recent inclusion of yeasts in environmental monitoring recognizes their ecological significance and sensitivity to toxicants. Here we present a robust and simple two-step toxicity assay and demonstrate the sensitivity of an ubiquitous groundwater yeast, Rhodotorula minuta, to a range of metals and metalloids. The ...

journal_title：Ecotoxicology and environmental safety

authors： Lategan MJ,Klare W,Kidd S,Hose GC,Nevalainen H

更新日期：2016-10-01 00:00:00

abstract：:Exposure to heavy metals was reported to be associated with heart rate variability (HRV) alteration. However, possible pathway of such association remains unclear. In this research, we investigated the possible role of lipid peroxidation in the associations between urinary heavy metals and HRV. We performed a cross-se...

journal_title：Ecotoxicology and environmental safety

authors： Tan Q,Ma J,Zhou M,Wang D,Wang B,Nie X,Mu G,Zhang X,Chen W

更新日期：2020-12-01 00:00:00

abstract：:Contamination of soil with heavy metals has become an issue of concern on global scale. This study investigates the translocation of lead (Pb) along the soil - plant (eggplant and tomato) - mealybug (Dysmicoccus neobrevipes) - ladybird beetle (Cryptolaemus montrouzieri) food chain. Soil amendments used for this study ...

journal_title：Ecotoxicology and environmental safety

authors： Zhang C,Wang X,Ashraf U,Qiu B,Ali S

更新日期：2017-09-01 00:00:00

abstract：:Bisphenol A (BPA) is an endocrine disruptor compound (EDC) of xenobiotic origin occurring in natural waters and wastewaters, especially in the most industrialized and urbanized areas. Recent investigations report the use of ligninolytic fungi for the removal of aromatic contaminants, including some EDCs, from differen...

journal_title：Ecotoxicology and environmental safety

authors： Loffredo E,Traversa A,Senesi N

更新日期：2012-05-01 00:00:00

abstract：:To provide insight into aluminum speciation in raw and in finished water and to investigate the factors that can affect it, specific aluminum fractions have been isolated and analyzed in water samples from three drinking water reservoirs in Sardinia (Italy) and at the outlet of their treatment plants. All water treatm...

journal_title：Ecotoxicology and environmental safety

authors： Schintu M,Meloni P,Contu A

更新日期：2000-05-01 00:00:00

abstract：:Humans are exposed to polybrominated diphenyl ethers (PBDEs) via ingestion of food, dust inhalation, and dermal absorption. Exposure to PBDEs via the placenta and breast milk is a special and important pathway in infants. This nested case-control study aimed to investigate the levels of PBDEs in maternal serum and col...

journal_title：Ecotoxicology and environmental safety

authors： Jin Y,Li J,Deng X,Xia B,Song Q,Zhao Y,He X,Li Y,Xu Z,Xie A,Lin J,Zhang Y,Chen S

更新日期：2020-07-15 00:00:00