Inflammatory marker and aryl hydrocarbon receptor-dependent responses in human macrophages exposed to emissions from biodiesel fuels.

abstract：:Sediment samples from major agricultural producing areas in Edo state Nigeria were analysed for α-HCH, γ-HCH, β-HCH and ∑DDT with the aim of elucidating contamination profiles, distribution characteristics, carcinogenic and non-carcinogenic risk of these compounds in these regions. Analysis was done using a gas chroma...

journal_title：Chemosphere

authors： Ogbeide O,Tongo I,Ezemonye L

更新日期：2016-02-01 00:00:00

abstract：:The present study was conducted in order to investigate pro-oxidant activity of dimethoate in liver and brain tissues following sublethal pesticide exposure for 5, 15 and 30 d by using SOD, GPx, CAT enzyme activities and lipid peroxidation as biomarkers as well as DNA damaging potential via detecting% Tail DNA, Tail m...

journal_title：Chemosphere

authors： Dogan D,Can C,Kocyigit A,Dikilitas M,Taskin A,Bilinc H

更新日期：2011-06-01 00:00:00

abstract：:Perfluorinated compounds (PFCs) as one class of emerging pollutants have caused great attention in recent years. In this study, activated sludge was used to adsorb perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA) in aqueous solution in order to investigate their sorption behavior and possible uptake mech...

journal_title：Chemosphere

authors： Zhou Q,Deng S,Zhang Q,Fan Q,Huang J,Yu G

更新日期：2010-09-01 00:00:00

abstract：:To investigate the role of microorganisms in the ecology and the nutrient transformation of forest soil, soil property, microbial population, biomass and organic acid content of Spruce soil in Tatachia mountain were determined during January 1997 to November 1999. Soil temperatures were between 5.5 and 15.6 degrees C ...

journal_title：Chemosphere

authors： Yang SS,Fan HY,Yang CK,Lin IC

更新日期：2003-09-01 00:00:00

abstract：:A transfer of contaminants from the land through the rivers forms a significant part of the Arctic seas' pollution. A whole ecosystem is the target of this harmful action. The response of the ecosystem can be considered as the measure of the impact. To assess this impact we designed a mathematical approach based on th...

journal_title：Chemosphere

authors： Lystsov VN,Murzin NV

更新日期：2001-01-01 00:00:00

abstract：:The spatiotemporal changes of metals, inorganic ions and physiochemical parameters of Aitoliko lagoon, an anoxic wetland in Western Greece, were studied with special emphasis in sulfur species. Theoretical physicochemical modeling was performed for the sulfur speciation, based on experimental pH and redox potential da...

journal_title：Chemosphere

authors： Papadas IT,Katerinopoulos L,Gianni A,Zacharias I,Deligiannakis Y

更新日期：2009-02-01 00:00:00

abstract：:Polybrominated diphenyl ether (PBDE) concentrations in the atmosphere in rapidly developing parts of China have been studied little. In this study, polyurethane foam disk passive air samplers were used to comprehensively investigate PBDE concentrations in the atmosphere of the Yangtze River Delta in different seasons ...

journal_title：Chemosphere

authors： Zhang L,Dong L,Huang Y,Shi S,Yang W,Zhou L

更新日期：2016-05-01 00:00:00

abstract：:The environmental impact of toxic metal contamination from legacy mining activities, many of which had operated and were closed prior to the enforcement of robust environmental legislation, is of growing concern to modern society. We have carried out analysis of As and potentially toxic metals (Cd, Co, Cr, Cu, Hg, Mn,...

journal_title：Chemosphere

authors： Abraham J,Dowling K,Florentine S

更新日期：2018-02-01 00:00:00

abstract：:In this work, we develop a model able to predict the equilibrium separation of gases due to differences in their molecular weights and the action of gravity. The separation of H, He, O, and N2 with altitude is a characteristic phenomenon of the heterosphere. The model is able to qualitatively recreate the compositiona...

journal_title：Chemosphere

authors： Blay V,Barrios Rivas JL,Xiao Z

更新日期：2019-10-01 00:00:00

abstract：OBJECTIVE:Our objective was to investigate congener-specific body burden levels and possible determinants of polybrominated diphenyl ethers (PBDEs) in the Japanese human population. METHODS:We conducted a cross-sectional study on 72 participants aged 15-74 years; subjects were not occupationally exposed to PBDEs or di...

journal_title：Chemosphere

authors： Uemura H,Arisawa K,Hiyoshi M,Dakeshita S,Kitayama A,Takami H,Sawachika F,Yamaguchi M,Sasai S

更新日期：2010-04-01 00:00:00

abstract：:A novel organo-zeolite adduct has been synthesized by sorbing humic acids (HA) onto zeolitic tuff and then heating the resulting complex at 330°C for 1.5h. Desorption tests showed that this procedure effectively immobilized HA on the tuff. The crystal structure of the zeolitic tuff and the chemical structure of HA wer...

journal_title：Chemosphere

authors： Leone V,Canzano S,Iovino P,Salvestrini S,Capasso S

更新日期：2013-04-01 00:00:00

abstract：:The ecotoxicity of heavy metals depends much on their speciation, which is influenced by other co-existing substances having chelating capacity. In the present study, the toxic effects of Cd(2+) and Cu(2+) on a green algae Scenedesmus obliquus were examined in the presence of two artificial sweeteners (ASs), acesulfam...

journal_title：Chemosphere

authors： Hu H,Deng Y,Fan Y,Zhang P,Sun H,Gan Z,Zhu H,Yao Y

更新日期：2016-05-01 00:00:00

abstract：:Antibiotics and antibacterials are present in water bodies worldwide but little is known about their effects on the biological processes often used to treat water. In this research, the effect of antibiotics on bacterial activity and community structure was investigated by growing biofilms in the presence and absence ...

journal_title：Chemosphere

authors： Wunder DB,Tan DT,LaPara TM,Hozalski RM

更新日期：2013-02-01 00:00:00

abstract：:The acute and chronic toxicity of nine antibiotics used both therapeutically and as growth promoters in intensive farming was investigated on the freshwater crustacean Daphnia magna. The effect of the antibiotics metronidazole (M), olaquindox (OL), oxolinic acid (OA), oxytetracycline (OTC), streptomycin (ST), sulfadia...

journal_title：Chemosphere

authors： Wollenberger L,Halling-Sørensen B,Kusk KO

更新日期：2000-04-01 00:00:00

abstract：:A technologically and economically feasible process called bioleaching was used for the removal of heavy metals from livestock sludge with indigenous sulfur-oxidizing bacteria in this study. The effects of sludge solids concentration on the bioleaching process were examined in a batch bioreactor. Due to the buffering ...

journal_title：Chemosphere

authors： Chen SY,Lin JG

更新日期：2004-01-01 00:00:00

abstract：:Acute ecological impacts of co-contamination of polycyclic aromatic hydrocarbons (PAHs) and heavy metals on diversity and composition of coastal benthic prokaryotes were unclear. We took pyrene (Pyr) and cadmium (Cd) as the representatives and mimicked an eight-week exposure of moderate and high levels of Pyr, Cd and ...

journal_title：Chemosphere

authors： Ding Q,Huang X,Hu H,Hong M,Zhang D,Wang K

更新日期：2017-12-01 00:00:00

abstract：:This study investigates the level of organochlorine pesticides in the raw food from open markets in Kinshasa, Democratic Republic of Congo (DRC), and Johannesburg, South Africa. It assesses the potential health risks associated with the organochlorine pesticide residues. The Quick, Easy, Cheap, Effective, Rugged, and ...

journal_title：Chemosphere

authors： Nuapia Y,Chimuka L,Cukrowska E

更新日期：2016-12-01 00:00:00

abstract：:Atrazine (ATZ) and its main metabolites, i.e., diaminochlorotriazine (DACT), deisopropylatrazine (DIP), and deethylatrazine (DE), have been widely detected in surface water around the world. In the present study, to determine their immunotoxic effects, zebrafish during the early developmental stage were exposed to ATZ...

journal_title：Chemosphere

authors： Liu Z,Fu Z,Jin Y

更新日期：2017-01-01 00:00:00

abstract：:Dioxins generated by iron and steel industry account for the majority of industrial dioxins emissions. This study compares the performance of different additives (including calcium sulphate dehydrate CaSO4·2H2O; calcium polysulphide CaSx; ammonium sulphate (NH4)2SO4; 4-methylthiosemicarbazide H3C-SC(NH)2NH2 and thiour...

journal_title：Chemosphere

authors： Zhang Y,Buekens A,Liu L,Zhang Y,Zeng X,Sun Y

更新日期：2016-07-01 00:00:00

abstract：:A kinetic model for the decolorization of C.I. Reactive Black 5 by the combination of hydrogen peroxide and UV radiation was developed based on experimental results and known chemical and photochemical reactions. The observed kinetic reaction coefficient was determined and correlated as a function of hydrogen peroxide...

journal_title：Chemosphere

authors： Mohey El-Dein A,Libra JA,Wiesmann U

更新日期：2003-08-01 00:00:00

abstract：:An unusual mortality event (UME) attributed to morbillivirus infection was identified in two Guiana dolphin populations from the Southeastern Brazilian coast. The aim of this study was to characterize total mercury (THg), methylmercury (MeHg) and selenium (Se) bioaccumulation and body burden in Guiana dolphins from Se...

journal_title：Chemosphere

authors： Manhães BMR,Santos-Neto EB,Tovar LR,Guari EB,Flach L,Kasper D,Galvão PMA,Malm O,Gonçalves RA,Bisi TL,Azevedo AF,Lailson-Brito J

更新日期：2021-01-01 00:00:00

abstract：:Kinetic sorption of bisphenol A (BPA), carbamazepine (CMZ) and ciprofloxacin (CIP) by three palygorskite-montmorillonite (Pal-Mt) granule sizes was studied. For BPA, CMZ and CIP, apparent sorption equilibrium was reached within about 3, 5 and 16 h, respectively. The highest and the lowest sorption capacities were by t...

journal_title：Chemosphere

authors： Berhane TM,Levy J,Krekeler MPS,Danielson ND

更新日期：2017-06-01 00:00:00

abstract：:The profile and amount of dioxin impurity in agrochemicals were studied through detailed analysis of historic Japanese formulations. The chemicals analyzed include pentachlorophenol (PCP), 2,4,6-trichlorophenyl-4'-nitrophenyl ether (chloronitrofen, CNP), 2,4-dichlorophenyl-4'-nitrophenyl ether (nitrofen, NIP), tetrach...

journal_title：Chemosphere

authors： Masunaga S,Takasuga T,Nakanishi J

更新日期：2001-08-01 00:00:00

abstract：:Natural zeolite and synthetic zeolite, MCM-22, were employed as effective adsorbents for a basic dye, methylene blue, removal from wastewater. Two methods, Fenton oxidation and high temperature combustion, have been used for regeneration of used materials. It is found that MCM-22 exhibits equilibrium adsorption at 1.7...

journal_title：Chemosphere

authors： Wang S,Li H,Xie S,Liu S,Xu L

更新日期：2006-09-01 00:00:00

abstract：:This study evaluated the impact of medium-term exposure to elevated pCO(2) levels (750-1200 ppm) on the physiological processes of juvenile Mytilus chilensis mussels over a period of 70 d in a mesocosm system. Three equilibration tanks filled with filtered seawater were adjusted to three pCO(2) levels: ~380 (control),...

journal_title：Chemosphere

authors： Navarro JM,Torres R,Acuña K,Duarte C,Manriquez PH,Lardies M,Lagos NA,Vargas C,Aguilera V

更新日期：2013-01-01 00:00:00

abstract：UNLABELLED:The terrestrial isopod (Porcellio scaber) was used to assess the remediation efficiency of limestone and a mixture of gravel sludge and red mud as stabilizing agents of Pb, Zn and Cd in industrially polluted soil, which contains 800, 540 and 7mgkg(-1) of Pb, Zn and Cd, respectively. The aim of our study was ...

journal_title：Chemosphere

authors： Udovic M,Drobne D,Lestan D

更新日期：2013-08-01 00:00:00

abstract：:The dissolved organic matter (DOM) in wastewater is typically described by a limited number of concentration measurements of select DOM fractions or micro-contaminants, which determine the removal efficiency in a wastewater treatment. Current methods do not necessarily reflect the true performance of the treatment wit...

journal_title：Chemosphere

authors： Verkh Y,Rozman M,Petrovic M

更新日期：2018-06-01 00:00:00

abstract：:The impact of lead nitrate (Pb(NO(3))(2); 0.5mM) on steady-state accumulation of messengers corresponding to stress responsive genes was studied in two local lines of 11-d grass pea (Lathyrus sativus L.) plants exposed for 96 h in a hydroponic system. Real-time reverse transcription polymerase chain reaction technique...

journal_title：Chemosphere

authors： Brunet J,Varrault G,Zuily-Fodil Y,Repellin A

更新日期：2009-11-01 00:00:00

abstract：:Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous atmospheric pollutants of high concern for public health. In the atmosphere they undergo oxidation, mainly through reactions with ·OH and NOx to produce nitro- and oxygenated (oxy-) derivatives. In this study, we developed a new method for the detection of particl...

journal_title：Chemosphere

authors： Giorio C,Bortolini C,Kourtchev I,Tapparo A,Bogialli S,Kalberer M

更新日期：2019-06-01 00:00:00

abstract：:Pharmaceuticals and drugs of abuse including novel psychoactive substances (NPS) are emerging as newer contaminants in the aquatic environment. The presence of such pollutants has implications on the environment as well as public health and therefore their identification is important when monitoring water quality. Thi...

journal_title：Chemosphere

authors： Peng Y,Gautam L,Hall SW

更新日期：2019-05-01 00:00:00