Modeling study of polychlorinated dibenzo-p-dioxins and dibenzofurans behavior in flue gases under electron beam irradiation.

abstract：:In this study, the acute toxicity of the organophosphorous pesticides dichlorvos and chlorpyrifos to two different species of Artemia (A. salina and A. parthenogenetica) was evaluated. In addition, the in vivo effect of these two pesticides on cholinesterase (ChE) activity of both A. salina and A. parthenogenetica was...

journal_title：Chemosphere

authors： Varó I,Navarro JC,Amat F,Guilhermino L

更新日期：2002-08-01 00:00:00

abstract：:The occurrence of oocytes in the testis (testis-ova) of several fish species is often associated with exposure of estrogenic chemicals. However, induction mechanisms of the testis-ova remain to be elucidated. To develop marker genes for detecting testis-ova in the testis, adult male medaka were exposed to nominal conc...

journal_title：Chemosphere

authors： Hirakawa I,Miyagawa S,Katsu Y,Kagami Y,Tatarazako N,Kobayashi T,Kusano T,Mizutani T,Ogino Y,Takeuchi T,Ohta Y,Iguchi T

更新日期：2012-05-01 00:00:00

abstract：:Paper recycling is an environmental important activity that is carried out in all the countries, but during the recycling process a paper waste is produced. Generally these wastes are placed in landfill sites but it is possible to profit it as secondary fuel and raw material in manufacture furnaces. In this work the c...

journal_title：Chemosphere

authors： Conesa JA,Gálvez A,Fullana A

更新日期：2008-05-01 00:00:00

abstract：:In this study, submerged aquatic plant Potamogeton lucens, corresponding sediment and water samples were seasonally collected from Lake Sapanca (Turkey) and analysed for their heavy metal contents (Pb, Cr, Cu, Mn, Ni, Zn and Cd). While heavy metals concentrations in the water samples were decreased as Zn>Cr>Ni>Pb>Mn>C...

journal_title：Chemosphere

authors： Duman F,Obali O,Demirezen D

更新日期：2006-12-01 00:00:00

abstract：:Phthalates (phthalate esters, PAEs) are commonly used as plasticizers and are emerging concerns worldwide for their potential influence on the environment and general public health. Thus, identification of the negative effects and involved mechanisms of PAEs is necessary. Herein, we found that embryonic exposure of ze...

journal_title：Chemosphere

authors： Qian L,Liu J,Lin Z,Chen X,Yuan L,Shen G,Yang W,Wang D,Huang Y,Pang S,Mu X,Wang C,Li Y

更新日期：2020-06-01 00:00:00

abstract：:Amino-decorated Zr-based magnetic Metal-Organic Frameworks composites (Zr-MFCs) were prepared by a facile and efficient strategy. The nano-sized Fe3O4@SiO2 core (about 15 nm) was coated with a shell of Zr-MOFs (about 5 nm) by means of in-situ growth. And, Fe3O4@SiO2@UiO-66 and its amino derivatives (Fe3O4@SiO2@UiO-66-...

journal_title：Chemosphere

authors： Huang L,He M,Chen B,Hu B

更新日期：2018-05-01 00:00:00

abstract：:The widespread implementation of antiretroviral therapy medication has made antiretroviral drugs (ARVDs) a significant pharmaceutical class in regions of high HIV infection rates. However, relatively little is known regarding the environmental occurrence of these emerging contaminants, and this is especially true for ...

journal_title：Chemosphere

authors： Mosekiemang TT,Stander MA,de Villiers A

更新日期：2019-04-01 00:00:00

abstract：:The recoveries of twenty-two organochlorine pesticides spiked in egg samples were extracted by supercritical fluid extraction (SFE) using carbon dioxide and solvent extraction using acetonitrile were compared. The extracts were cleaned up with C18 and Florisil SPE columns. At 0.1 ppm spike level, the recoveries were 5...

journal_title：Chemosphere

authors： Wigfield YY,Selwyn J,Khan S,McDowell R

更新日期：1996-03-01 00:00:00

abstract：:The adverse impacts of AFB1 on gut-microbiota dependent metabolism in F344 rats were assessed via ultra-high performance liquid chromatography (UHPLC)-profiling and UHPLC-mass spectrometry (MS) metabolomic analyses. UHPLC-profiling analysis found 1100 raw peaks from the fecal samples collected at week 4, of which 335 ...

journal_title：Chemosphere

authors： Zhou J,Tang L,Wang JS

更新日期：2019-02-01 00:00:00

abstract：:Organofluorine compounds are rare in Nature, with only a handful known to be produced by some species of plant and two microorganisms. Consequently, the mechanism of enzymatic carbon-fluorine bond formation is poorly understood. The bacterium Streptomyces cattleya biosynthesises fluoroacetate and 4-fluorothreonine as ...

journal_title：Chemosphere

authors： Murphy CD,Schaffrath C,O'Hagan D

更新日期：2003-07-01 00:00:00

abstract：:Piscicidal activities of aqueous extracts of Euphorbia tirucalli were very well established, but their ultimate mode of action on fish metabolism was not yet known. Exposure of fishes over 24h or 96h to sub-lethal doses (40% and 80% of LC(50)) of aqueous extract of E. tirucalli stem-bark and latex, significantly (P<0....

journal_title：Chemosphere

authors： Tiwari S,Singh A

更新日期：2006-06-01 00:00:00

abstract：:Carbonaceous aerosol was measured during fall of 2010 in Beijing. Daily variation of organic carbon (OC) was found to coincide with that of relative humidity (RH), and the OC to elemental carbon (EC) ratios were more than doubled during the more humid periods (RH above 0.75) compared to other conditions. This large in...

journal_title：Chemosphere

authors： Liu JM,Du ZY,Gordon M,Liang LL,Ma YL,Zheng M,Cheng Y,He KB

更新日期：2018-12-01 00:00:00

abstract：:Mycotoxins are harmful substances produced by fungi in several commodities with a widespread presence in foodstuffs. Human exposure to mycotoxins occurs mainly by contaminated food. The quantitation of mycotoxins in cereal-based food, highly consumed by different age population, is of concern. In this survey, 159 cere...

journal_title：Chemosphere

authors： Rodríguez-Carrasco Y,Ruiz MJ,Font G,Berrada H

更新日期：2013-11-01 00:00:00

abstract：:In vitro fertilization (IVF) is one of the most important treatments of infertility to provide a chance of conceiving. In IVF treatment, sperm are washed and motile sperm are isolated with sperm washing media (SWM) for the purpose of fertilization; fertilized ova are then incubated for a maximum of 5 or 6d in media fo...

journal_title：Chemosphere

authors： Takatori S,Akutsu K,Kondo F,Ishii R,Nakazawa H,Makino T

更新日期：2012-02-01 00:00:00

abstract：:Residual dichlorodiphenyltrichloroethane (DDT) in the environment and a continuously increasing atmospheric carbon dioxide (CO2) concentration are two issues that have received a lot of attention. This study was conducted using a pot experiment to investigate the interactive effects of elevated CO2 and DDT on the upta...

journal_title：Chemosphere

authors： Wu XR,Li YP,Tu SX,Ding YZ,Wang RG,Rensing C,Feng RW

更新日期：2019-07-01 00:00:00

abstract：:A fine porcelain open-cell photo-catalytic filter with titanium dioxide (TiO(2)) was evaluated for sterilization and sanitation of bio-polluted industrial water. In simulated seawater industrial effluent samples, the populations of Escherichia coli and Vibrio parahaemolyticus quickly decreased and reached non-detectab...

journal_title：Chemosphere

authors： Hara-Kudo Y,Segawa Y,Kimura K

更新日期：2006-01-01 00:00:00

abstract：:Soil contamination can be one path for streams and groundwater contamination. As a complement of chemical analysis and total contaminants determination, bioassays can provide information on the bioavailable fraction of chemical compounds, focusing on the retention and habitat function of soils. In this study the evalu...

journal_title：Chemosphere

authors： Loureiro S,Ferreira AL,Soares AM,Nogueira AJ

更新日期：2005-10-01 00:00:00

abstract：:Ground discarded tires adsorb naphthalene, toluene, and mercury ions (Hg2+) from aqueous solutions. Their sorption properties and kinetics were determined by batch equilibration techniques at 20 degrees C. The isotherms were linear for naphthalene and toluene and their sorption coefficients were about 1340 and 255 (ml...

journal_title：Chemosphere

authors： Gunasekara AS,Donovan JA,Xing B

更新日期：2000-10-01 00:00:00

abstract：:This study systematically investigated the performance of ozonation on tetrabromobisphenol A (TBBPA) degradation under different ozone dosages (5.21-83.33 μmoL/L), initial solution pH (3.0-11.0) and temperatures (10-50 °C). At the same time, the generations of inorganic products (bromide ion and bromate) under differe...

journal_title：Chemosphere

authors： Han Q,Dong W,Wang H,Ma H,Liu P,Gu Y,Fan H,Song X

更新日期：2019-11-01 00:00:00

abstract：:Considerable research has focused on the fate of 17β-estradiol (17β-E2) given its high estrogenic potency and frequent detection in the environment; however, little is known about the fate behavior of 17α-estradiol (17α-E2) although it often dominates in some animal feces, and recently has been shown to have similar i...

journal_title：Chemosphere

authors： Mashtare ML,Green DA,Lee LS

更新日期：2013-01-01 00:00:00

abstract：:Estrogenic effects of 17β-estradiol (E2) and 17α-ethinylestradiol (EE2) on animals have been widely reported. The high sensitivity of fish in the early-life stages to xenobiotics can be exploited to evaluate the developmental effects of environmentally relevant levels of E2 and EE2. In this work, clearhead icefish (Pr...

journal_title：Chemosphere

authors： Hu S,Zhang H,Shen G,Yuan Z,Xu T,Ji R

更新日期：2017-06-01 00:00:00

abstract：:The effect of lead (Pb)-induced oxidative stress was investigated in Fagopyrum kashmirianum. The seedlings absorbed the Pb readily by showing time (15 and 30 days) and concentration (0, 100, 200 and 300 μM) dependent effects. Pb caused reduction in both root and shoot lengths but its accumulation was more in roots (22...

journal_title：Chemosphere

authors： Hakeem KR,Alharby HF,Rehman R

更新日期：2019-02-01 00:00:00

abstract：:The unique electrocoagulator proposed in this study is highly efficient at removing Ni-EDTA, providing a potential remediation option for wastewater containing lower concentrations of Ni-EDTA (Ni ≤ 10 mg L-1). In the electrocoagulation (EC) system, cylindrical graphite was used as a cathode, and a packed-bed formed fr...

journal_title：Chemosphere

authors： Ye X,Zhang J,Zhang Y,Lv Y,Dou R,Wen S,Li L,Chen Y,Hu Y

更新日期：2016-12-01 00:00:00

abstract：:In this work, a low-cost alternative method (i.e., adding nitrate into WAS) to significantly enhance hydrogen production was reported. Experimental results showed that with an increase of nitrate addition from 0 to 362 mg/L, the maximal hydrogen production from acidic (pH 5.5) fermentation of WAS obviously increased f...

journal_title：Chemosphere

authors： Wang Y,Wang D,Chen F,Yang Q,Ni BJ,Wang Q,Sun J,Li X,Liu Y

更新日期：2019-11-01 00:00:00

abstract：:Cytochrome P450 (CYP450) is a hemoprotein superfamily, among which CYP1, CYP2 and CYP3 play a major role in the metabolism of vast array of xenobiotics and endobiotics. This paper reports on three CYP enzyme variants (CYP1A2, CYP2E1 and CYP3A4) in three species of earthworm (Eisenia fetida, Metaphire guillelmi and Amy...

journal_title：Chemosphere

authors： Lu X,Li Y,Thunders M,Cavanagh J,Matthew C,Wang X,Zhou X,Qiu J

更新日期：2017-03-01 00:00:00

abstract：:Extracellular DNA (eDNA) is widely present in soil, with potential ecological impacts. Metal cations are naturally present on the surface of soil clay minerals, although the adsorption mechanism of eDNA on clay minerals saturated with metal cations is still not fully understood. The research investigated the adsorptio...

journal_title：Chemosphere

authors： Sheng X,Qin C,Yang B,Hu X,Liu C,Waigi MG,Li X,Ling W

更新日期：2019-11-01 00:00:00

abstract：:Biochar has become a popular research topic in sustainable chemistry for use both in agriculture and pollution abatement. To enhance aqueous Cr(VI), Pb(II) and Cd(II) removal efficiency, high surface area (535 m2/g) byproduct Douglas fir biochar (DFBC) from commercial syn-gas production obtained by fast pyrolysis (900...

journal_title：Chemosphere

authors： Herath A,Layne CA,Perez F,Hassan EB,Pittman CU Jr,Mlsna TE

更新日期：2020-09-28 00:00:00

abstract：:In this study, CuO-CeO2 was synthesized via an easy hydrothermal-calcination method and innovatively applied to peroxymonosulfate (PMS) activation for pollutants degradation under a non-radical oxidation pathway. Singlet oxygen (1O2) was the dominated reactive oxygen species in the CuO-CeO2/PMS system, leading to a dr...

journal_title：Chemosphere

authors： Li Z,Liu D,Zhao Y,Li S,Wei X,Meng F,Huang W,Lei Z

更新日期：2019-10-01 00:00:00

abstract：:The formation of dichloroacetonitrile (DCAN), dichloroacetamide (DCAcAm) and trichloroacetamide (TCAcAm) during chlorination of secondary effluents was evaluated under different conditions. The formation of DCAN and DCAcAm increased, then decreased with increasing contact time and chlorine dose, while TCAcAm formation...

journal_title：Chemosphere

authors： Huang H,Wu QY,Tang X,Jiang R,Hu HY

更新日期：2016-02-01 00:00:00

abstract：:For efficient solar energy harvesting, various engineering strategies to strengthen visible-light responsivity of ZnO photocatalyst is under intensive investigation. In this work, a new ternary C-ZnO/MoS2/mesoporous carbon nanocomposite was successfully prepared by a two-step solution-processed synthesis protocol. The...

journal_title：Chemosphere

authors： Islam SE,Hang DR,Chen CH,Chou MMC,Liang CT,Sharma KH

更新日期：2021-03-01 00:00:00