Passive samplers versus surfactant extraction for the evaluation of PAH availability in sediments with variable levels of contamination.

abstract：:The degradation pathway of Acid Orange 7 (AO7) by Electro-Fenton process using carbon felt cathode was investigated via HPLC-UV and LC-MS, IC, TOC analysis and bioassays (Vibrio Fischeri 81.9% Microtox(®) screening tests). The TOC removal of AO7 reached 96.2% after 8 h treatment with the optimal applied current densit...

journal_title：Chemosphere

authors： Le TXH,Nguyen TV,Yacouba ZA,Zoungrana L,Avril F,Petit E,Mendret J,Bonniol V,Bechelany M,Lacour S,Lesage G,Cretin M

更新日期：2016-10-01 00:00:00

abstract：:PCDD/F are one of the most significant environmental concerns of municipal solid waste disposal through incineration processes. With the main purpose of evaluating their presence along the flue gas line and establishing a mass balance over the whole system, an extensive research study was performed on a full scale pla...

journal_title：Chemosphere

authors： Giugliano M,Cernuschi S,Grosso M,Aloigi E,Miglio R

更新日期：2001-05-01 00:00:00

abstract：:Toddlers are at increased risk of dust ingestion and subsequently flame retardant (FR) exposure because they often play close to the floor and mouth hands and objects. Exposure to some FRs have been associated to endocrine disruption and neurodevelopmental disorders. Previous research has shown higher FR concentration...

journal_title：Chemosphere

authors： Sugeng EJ,de Cock M,Leonards PEG,van de Bor M

更新日期：2020-08-01 00:00:00

abstract：:Due to their potential toxicity and odourous nature, the residual organics in municipal solid waste incinerators are recently gaining attention as an important issue of resources recovery apart from their complex mixture of organic counterpart. Studies of the organic fractions in municipal solid waste incinerator resi...

journal_title：Chemosphere

authors： Lin YC,Panchangam SC,Wu CH,Hong PK,Lin CF

更新日期：2011-01-01 00:00:00

abstract：:The photoreactions of selected azaarenes with nitrate and nitrite ions were investigated under irradiation at lambda = 313 nm. The excitation of both anions leads to several photochemical reactions forming mainly hydroxyl radicals and nitrogen oxides. The purification capability of natural waters i.e. the oxidation of...

journal_title：Chemosphere

authors： Beitz T,Bechmann W,Mitzner R

更新日期：1999-01-01 00:00:00

abstract：:To examine the relationship between the nitro group orientation and photochemical degradation, a series of NPAHs, including 6-nitrochrysene, 9-nitroanthracene and 6-nitrobenzo(a)pyrene were irradiated both dissolved in CH3CN and adsorbed onto a surface (alumina, silica, carbon and cellulose). In solution, not all NPAH...

journal_title：Chemosphere

authors： Warner SD,Farant JP,Butler IS

更新日期：2004-02-01 00:00:00

abstract：:In this study, the degradation of ciprofloxacin (CIP) was explored using ultraviolet activated persulfate (UV/PS) with 280 nm ultraviolet light-emitting diodes (UV-LEDs), and the toxicological assessment of degrading intermediates was performed using iTRAQ labeling quantitative proteomic technology. The quantitative m...

journal_title：Chemosphere

authors： Ye JS,Liu J,Ou HS,Wang LL

更新日期：2016-12-01 00:00:00

abstract：:In vivo studies of the interactions of polybrominated diphenyl ethers (PBDEs) in plants have generally focused on uptake, translocation, metabolism and accumulation, but there were limited reports about the phytotoxicity and translocation of PBDEs in contaminated soil with the effects of nanoparticles. In this study, ...

journal_title：Chemosphere

authors： Wu J,Xie Y,Fang Z,Cheng W,Tsang PE

更新日期：2016-11-01 00:00:00

abstract：:Semi-domesticated reindeer and wild moose meat samples were analyzed for polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs), and polychlorinated biphenyls (PCBs). Both calves and adults were studied. Individual reindeer and moose meat samples and pooled reindeer calf meat samples were collected from the nor...

journal_title：Chemosphere

authors： Suutari A,Ruokojärvi P,Hallikainen A,Kiviranta H,Laaksonen S

更新日期：2009-05-01 00:00:00

abstract：:Solute purification, solvent recovery, solvent separation in organic solvents are more and more widely used in the chemical industries, pharmaceuticals and food processing. Fast and efficient separations can be realized using membrane separation technology. Materials with strong organic solvent resistance for membrane...

journal_title：Chemosphere

authors： Ren D,Ren S,Lin Y,Xu J,Wang X

更新日期：2020-12-28 00:00:00

abstract：:Exposure to airborne fine particulate matter (PM2.5) is associated with cardiovascular diseases (CVDs). Nevertheless, a comprehensive understanding of the underlying biological mechanisms by which PM2.5 exposure induces or aggravates CVDs remain insufficiently clear. In the present study, the flow cytometry was employ...

journal_title：Chemosphere

authors： Wang W,Deng Z,Feng Y,Liao F,Zhou F,Feng S,Wang X

更新日期：2017-06-01 00:00:00

abstract：:Pharmaceuticals as environmental contaminants have received a lot of interest over the past decade but, for several pharmaceuticals, relatively little is known about their occurrence in European surface waters. Benzodiazepines, a class of pharmaceuticals with anxiolytic properties, have received interest due to their ...

journal_title：Chemosphere

authors： Fick J,Brodin T,Heynen M,Klaminder J,Jonsson M,Grabicova K,Randak T,Grabic R,Kodes V,Slobodnik J,Sweetman A,Earnshaw M,Barra Caracciolo A,Lettieri T,Loos R

更新日期：2017-06-01 00:00:00

abstract：:Sorption of pyrene on black carbons (BCs) obtained by heating sawdust at two temperatures (400 and 700°C, denoted as 400BC and 700BC, respectively), as well as on modified BCs (via oxidation, oximation, and hydrolysis) was studied to investigate the role of BC structural characteristics in sorption of hydrophobic orga...

journal_title：Chemosphere

authors： Zhang W,Wang L,Sun H

更新日期：2011-11-01 00:00:00

abstract：:Many hydrochemical studies on chemical formation of shallow ground water have been reported as results of water-rock interaction, and contamination of paleo-brine or human activities, whereas the preliminary formation of precipitation source in the recharged region has not been established yet. The purpose of this res...

journal_title：Chemosphere

authors： Anazaw K,Ohmori LH

更新日期：2001-11-01 00:00:00

abstract：:The objectives of this work were to study the effect of urea addition to the fuel before the combustion on the suppression of PCDD/F emissions, to examine the influence of urea to PCDD/F isomer patterns by employing statistical analysis techniques and to determine the most effective method of urea addition. Urea in th...

journal_title：Chemosphere

authors： Samaras P,Blumenstock M,Lenoir D,Schramm KW,Kettrup A

更新日期：2001-02-01 00:00:00

abstract：:In aquatic environments the reactive oxygen species hydrogen peroxide (H2O2) is produced through photochemical reactions involving chromophoric dissolved organic matter (CDOM). Andean Patagonian freshwaters experience challenging underwater UV levels, which promote high levels of photochemical weathering. In this inve...

journal_title：Chemosphere

authors： García PE,Queimaliños C,Diéguez MC

更新日期：2019-02-01 00:00:00

abstract：:Abandoned mining and quarry areas are sources of potentially toxic elements (PTEs), through lixiviates or transfer processes of bioavailable fractions from mining wastes and tailings. In this study, earthworms (Eisenia fetida Savigny, 1826) were exposed for 28 days to two mining soils from a lead/zinc mine and two qua...

journal_title：Chemosphere

authors： Rodríguez-Seijo A,Lourenço J,Arenas-Lago D,Mendo S,Vega FA,Pereira R

更新日期：2020-07-01 00:00:00

abstract：:The potential toxicity of copper nanoparticles (CuNPs) to early stages of fishes is not fully understood, and little is known about their effects on ionocytes and associated functions. This study used zebrafish embryos as a model to investigate the toxic effects of CuNPs on two subtypes of ionocytes. Zebrafish embryos...

journal_title：Chemosphere

authors： Lee CY,Horng JL,Liu ST,Lin LY

更新日期：2020-12-01 00:00:00

abstract：:This study aimed to demonstrate the recovery potential of Danio rerio after Cd and Zn contaminations. Fish demonstrated high accumulation capacities of Cd with concentrations reaching 3716.4±578.6 μg Cd/kg FW in gills after 15 d of contamination. The 75-day decontamination failed to completely eliminate Cd (93.4% and ...

journal_title：Chemosphere

authors： Arini A,Gourves PY,Gonzalez P,Baudrimont M

更新日期：2015-06-01 00:00:00

abstract：:In this study 96-h LC50 value of cadmium chloride (CdCl2 . H2O), a metal salt widely used in industry, was determined for the guppy (Poecilia reticulata, Pallas, 1859). The experiments were planned in four series of a total of 440 guppies employing the static test method of acute toxicity. 10 fish were placed in each ...

journal_title：Chemosphere

authors： Yilmaz M,Gül A,Karaköse E

更新日期：2004-07-01 00:00:00

abstract：:Foliar emission of volatile organic compounds (VOC) from common Indian plant species was measured. Dynamic flow enclosure technique was used and the gas samples were collected onto Tenax-GC/Carboseive cartridges. The Tenax-GC/Carboseive cartridges were attached to the thermal disorber sample injection system and the g...

journal_title：Chemosphere

authors： Padhy PK,Varshney CK

更新日期：2005-06-01 00:00:00

abstract：:Histological and Immunohistochemical studies were carried out to document the possible impact of heavy metal contamination in different tissues of Chanos chanos. Heavy metals such as Cu, Pb, Zn, Cd, Mn and Fe were predominant in water, sediment and biota of Kaattuppalli Island and varied significantly between two diff...

journal_title：Chemosphere

authors： Rajeshkumar S,Munuswamy N

更新日期：2011-04-01 00:00:00

abstract：:Different strategies of multivariate analysis of metals concentrations (Mn, Fe, Ni, V, Co, Cu, Cd, Hg, Pb, Na, K) in mussel samples from different spanish markets are used to interpret a data base and identify differences between species and origin of the samples. Principal Component Analysis and Potential curves are ...

journal_title：Chemosphere

authors： Machado Mesa L,Peña Méndez E,Sánchez Sánchez M,García Montelongo F

更新日期：1999-02-01 00:00:00

abstract：:Sediment characteristics are well known to interfere with toxicity, mainly through differences in terms of bioaccumulation. Here, with chironomids exposed to zinc in an artificial and a field sediment, we investigated the differences of zinc accumulation and of effects on the life cycle, at individual and population l...

journal_title：Chemosphere

authors： Péry AR,Ducrot V,Geffard A,Garric J

更新日期：2007-01-01 00:00:00

abstract：:The effects of Tween-20, a non-ionic surfactant, and Zn (II) on microbial activity and removal performance for ethylbenzene in a biotrickling filter (BTF) were evaluated. Batch experiments were conducted to evaluate the surfactant and Zn (II) at various concentrations for their toxicity to microorganisms, and results ...

journal_title：Chemosphere

authors： Wang L,Yang C,Cheng Y,Huang J,He H,Zeng G,Lu L

更新日期：2013-11-01 00:00:00

abstract：:Various adsorbents for a solid phase extraction (SPE) method were used to study their ability to separate PCBs from transformer oil to rapidly determine their sub-ppm concentration in the transformer oil. Approximately 90% of the transformer oil could be removed from the PCBs by using a hydrophilic-lipophilic balanced...

journal_title：Chemosphere

authors： Na YC,Kim KJ,Hong J,Seo JJ

更新日期：2008-08-01 00:00:00

abstract：:Tea is a widely consumed beverage. However, recent studies revealed that there were an increasing number of cases of tea products exceeding the former maximum permissible concentration (MPC) in China for Pb (2 mg kg(-1)). Tea Pb contamination is an issue affecting trade and consumer confidence. Root uptake of Pb could...

journal_title：Chemosphere

authors： Han WY,Shi YZ,Ma LF,Ruan JY,Zhao FJ

更新日期：2007-01-01 00:00:00

abstract：:Ranitidine (RNTD) is a widely prescribed histamine H2-receptor antagonist whose unambiguous presence in water sources appointed it as an emerging pollutant. Here, the degradation of 0.1 mM of this drug in aqueous medium was studied by electrochemical advanced oxidation processes (EAOPs) like anodic oxidation with elec...

journal_title：Chemosphere

authors： Olvera-Vargas H,Oturan N,Brillas E,Buisson D,Esposito G,Oturan MA

更新日期：2014-12-01 00:00:00

abstract：:The use of column experiments, usually performed to better approximate field conditions, may provide information that is not available from batch experiments. In such experiments heavy metals are often adsorbed until saturation followed by desorption experiments. When the affinity of the metal to soil is high, the ret...

journal_title：Chemosphere

authors： Miretzky P,Muñoz C,Carrillo-Chávez A

更新日期：2006-12-01 00:00:00

abstract：:The aim of this study was to validate a multi-trial biomarker approach for the evaluation of toxicological risk due to benzo(alpha)pyrene. Carcinus aestuarii, exposed to increasing concentrations of B(alpha)P in the water, was used as the bioindicator organism. A set of biomarkers were tested in order to: identify bio...

journal_title：Chemosphere

authors： Fossi MC,Casini S,Savelli C,Corbelli C,Franchi E,Mattei N,Sanchez-Hernandez JC,Corsi I,Bamber S,Depledge MH

更新日期：2000-04-01 00:00:00