Investigation of acute toxicity of cadmium chloride (CdCl2 . H2O) metal salt and behavioral changes it causes on water frog (Rana ridibunda Pallas, 1771).

abstract：:Biosorption of heavy metal elements including radionuclides by microorganisms is a promising and effective method for the remediation of the contaminated places. The responses of live Saccharomyces cerevisiae in the toxic uranium solutions during the biosorption process and the mechanism of uranium biomineralization b...

journal_title：Chemosphere

authors： Zheng XY,Wang XY,Shen YH,Lu X,Wang TS

更新日期：2017-05-01 00:00:00

abstract：:The purpose of this study was to determine the feed to milk transfer of 17 PCDD/Fs and 18 PCBs in goats exposed to a 10-week long-term intake of contaminated hay collected in the vicinity of a hazardous municipal waste incinerator. The sum of PCDD/Fs and PCBs WHO-I-TEQ was found to be higher than 3 ng kg(-1) of milk f...

journal_title：Chemosphere

authors： Costera A,Feidt C,Marchand P,Le Bizec B,Rychen G

更新日期：2006-07-01 00:00:00

abstract：:The efficiency of the electron beam treatment of industrial flue gases for the removal of sulfur and nitrogen oxides was investigated as applied to polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) using methods of mathematical modeling. The proposed kinetic model of the process includes mechanism of PCDD/...

journal_title：Chemosphere

authors： Gerasimov G

更新日期：2016-09-01 00:00:00

abstract：:Landfill leachate is a typical refractory wastewater for which research into rapid and efficient treatment methods has become very topical. In this study, a coagulation-ozonation process was developed to treat the concentrate arising from membrane treatment of landfill leachate. The effect of coagulant type and initia...

journal_title：Chemosphere

authors： Chen W,Gu Z,Wen P,Li Q

更新日期：2019-02-01 00:00:00

abstract：:Iron species have essential influence on the environmental/geochemical behaviors of arsenic species in water and soil. Colloidal ferric hydroxide (CFH) induces photooxidation of arsenite (As(III)) to arsenate (As(V)) in water at neutral pH through surface complexation and ligand-to-metal charge transfer (LMCT). Howeve...

journal_title：Chemosphere

authors： Huang X,Peng Y,Xu J,Wu F,Mailhot G

更新日期：2021-01-01 00:00:00

abstract：:Waste-tire-derived crumb rubber was utilized as filter media to develop an efficient filter for ballast water treatment. In this study, the effects of coagulation, pressure filtration and dual-media (gravity) filtration on the performance of the crumb rubber filtration were investigated. The removal efficiencies of tu...

journal_title：Chemosphere

authors： Tang Z,Butkus MA,Xie YF

更新日期：2009-03-01 00:00:00

abstract：:It has been shown that lead (Pb) is able to induce lipid peroxidation, one of the main manifestations of oxidative stress. In this study we examined the relationship between chronic Pb exposure and level of reactive oxygen species (ROS) in reproductive system tissues of sexually mature male Wistar rats. One group of a...

journal_title：Chemosphere

authors： Marchlewicz M,Michalska T,Wiszniewska B

更新日期：2004-12-01 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：:The use of soluble and highly oxidizing Ag(III) in the form of the tetrahydroxoargentate ion Ag(OH)4- is reported for the oxidation of surrogate organic recalcitrant dyes (i.e., rhodamine 6G (Rh6G) and fluorescein (Fl)). The possible use of Ag(OH)4- for the treatment of these and other refractory compounds is assessed...

journal_title：Chemosphere

authors： Zamora-Garcia IR,Alatorre-Ordaz A,Ibanez JG,Torres-Elguera JC,Wrobel K,Gutierrez-Granados S

更新日期：2018-01-01 00:00:00

abstract：:To obtain more information on the hydraulic properties of membrane interface, the fiber Bragg grating (FBG) sensing technology was imported to investigate the effect of feed solution (FS) flow rate, draw solution (DS) flow rate and cross-flow direction on the membrane flux and membrane shear-force distribution of forw...

journal_title：Chemosphere

authors： Bai R,Wang J,Jia H,Zhang C,Gao F,Cui Z,Yang G,Zhang H

更新日期：2019-07-01 00:00:00

abstract：:In this work a novel heterogeneous Fenton system based on Fe(0)/Fe3O4 composites is described. The composites with several Fe(0)/Fe3O4 ratios were prepared by two different methods, i.e. mechanical alloying of Fe(0) and Fe3O4 powders and controlled reduction of Fe3O4 with H2. Reaction studies and detailed Conversion E...

journal_title：Chemosphere

authors： Moura FC,Araujo MH,Costa RC,Fabris JD,Ardisson JD,Macedo WA,Lago RM

更新日期：2005-08-01 00:00:00

abstract：:Polychromatic ultraviolet irradiation, such as from medium pressure (MP) Hg lamps may enhance the UV degradation of environmental pollutants as compared to low pressure (LP) Hg UV sources emitting monochromatic irradiation. Typically, studies involving destruction of environmental pollutants such as endocrine disrupti...

journal_title：Chemosphere

authors： Chen PJ,Kullman SW,Hinton DE,Linden KG

更新日期：2007-06-01 00:00:00

abstract：:The effect of a common plant alkaloid, caffeine, on the release and plant uptake of some polycyclic aromatic hydrocarbons (PAHs) in soils was investigated. Cucurbita pepo (ssp. pepo cv. Gold Rush) was grown in PAH-spiked media in the presence and absence of caffeine. Solubility tests initially confirmed the ability of...

journal_title：Chemosphere

authors： Navarro RR,Ichikawa H,Morimoto K,Tatsumi K

更新日期：2009-08-01 00:00:00

abstract：:Microbial granules with excellent settle-ability were successfully developed at different ammonium-N loadings in four sequencing batch reactors run under alternating aerobic-anaerobic conditions. Results showed that heterotrophic, nitrifying and denitrifying populations could co-exist in the microbial granules. The ac...

journal_title：Chemosphere

authors： Qin L,Liu Y

更新日期：2006-05-01 00:00:00

abstract：:Iron oxyhydroxides (FeOOH) are common crystalline forms of iron which play an important role in catalysis through a series of reduction-oxidation reactions. In this paper, Ce substituted goethite (Ce0.1Fe0.9OOH) was prepared by isomorphous substitution method, characterized by XRD, SEM, TEM-EDS, FTIR, and used for the...

journal_title：Chemosphere

authors： Bai Z,Yang Q,Wang J

更新日期：2016-10-01 00:00:00

abstract：:Prion diseases, including chronic wasting disease (CWD) and scrapie, can be transmitted via indirect environmental routes. Animals habitually ingest soil, and results from laboratory experiments demonstrate prions can bind to a wide range of soils and soil minerals, retain the ability to replicate, and remain infectio...

journal_title：Chemosphere

authors： Saunders SE,Bartz JC,Bartelt-Hunt SL

更新日期：2012-05-01 00:00:00

abstract：:The degradation reaction of dichloroacetic acid employing H(2)O(2) and UVC radiation (253.7nm) has been studied in a well mixed reactor operating inside a recycling system. It has been shown that in an aqueous solution no stable reaction intermediates are formed and, at every time during the reaction, two mols of hydr...

journal_title：Chemosphere

authors： Zalazar CS,Labas MD,Brandi RJ,Cassano AE

更新日期：2007-01-01 00:00:00

abstract：:A series of aromatic heterocyclic and hydrocarbon compounds were tested for toxicity and biotransformation potential against two contrasting lux-marked whole-cell microbial biosensors. Toxicity was determined by inhibition of light output of a Pseudomonas fluorescens construct that expresses lux constitutively. Biotra...

journal_title：Chemosphere

authors： Bundy JG,Morriss AW,Durham DG,Campbell CD,Paton GI

更新日期：2001-03-01 00:00:00

abstract：:Data from the speciation trends network (STN) was used to evaluate the amount and temporal patterns of particulate matter originating from local industrial sources and long-range transport at two sites in Detroit, MI: Allen Park, MI, southwest of both Detroit and the areas of heavy industrial activity; Dearborn, MI, l...

journal_title：Chemosphere

authors： Gildemeister AE,Hopke PK,Kim E

更新日期：2007-10-01 00:00:00

abstract：:The electrochemical oxidation of the biotic degradation products of the textile dye C.I. Acid Orange 7 (AO7) was achieved using a boron doped diamond electrode (BDD). Tests were performed with model solutions of the biotic degradation products, sulphanilic acid (SA) and 1-amino-2-naphthol (AN), and also with real effl...

journal_title：Chemosphere

authors： Carvalho C,Fernandes A,Lopes A,Pinheiro H,Gonçalves I

更新日期：2007-04-01 00:00:00

abstract：:Alginate-immobilized Trametes versicolor decolorized Amaranth at similar rates in repeated batch culture when the dye was present in either (i) modified Kirk's medium containing 0.22 gl(-1) ammonium tartrate, (ii) the same buffer, thiamine, trace elements and glucose concentrations as in the modified Kirk's medium, or...

journal_title：Chemosphere

authors： Ramsay JA,Mok WH,Luu YS,Savage M

更新日期：2005-11-01 00:00:00

abstract：:Batch and column experiments were conducted with eucalyptus mulch and commercial compost to evaluate suitability of highly organic natural media to support anaerobic decomposition of trichloroethylene (TCE) in groundwater. Experimental data for TCE and its dechlorination byproducts were analyzed with Hydrus-1D model t...

journal_title：Chemosphere

authors： Öztürk Z,Tansel B,Katsenovich Y,Sukop M,Laha S

更新日期：2012-10-01 00:00:00

abstract：:Neonicotinoid insecticides (NEOs) are widely used in agricultural production processes in China and worldwide. NEOs have been an increasing concern because of their potential toxicity to nontarget organisms. However, studies that focused on human exposure to NEOs in China are limited. In this study, levels of six pare...

journal_title：Chemosphere

authors： Zhang N,Wang B,Zhang Z,Chen X,Huang Y,Liu Q,Zhang H

更新日期：2021-02-01 00:00:00

abstract：:Urban estuaries receive large volumes of effluents from municipal wastewater treatment facilities containing numerous contaminants, such as pharmaceuticals residues. Water was sampled for 16 highly prescribed pharmaceuticals at 17 sites along the Long Island Sound (LIS) estuary located in the Northeastern U.S. Pharmac...

journal_title：Chemosphere

authors： Cantwell MG,Katz DR,Sullivan JC,Lyman M

更新日期：2019-04-01 00:00:00

abstract：:Fourteen organochlorine pesticides (OCPs) residues were analyzed in 10 brands of processed cereal-based complementary foods with the aim of assessing the health risk to infants and young children. The QuEChERS method was used for extraction and clean-up of pesticide residues. Subsequent detection and quantification we...

journal_title：Chemosphere

authors： Akoto O,Oppong-Otoo J,Osei-Fosu P

更新日期：2015-08-01 00:00:00

abstract：:Chlorinated volatile organic compounds, such as tetrachloroethylene (PCE), are the most commonly detected toxic contaminants in groundwater. In this study, the performance of PCE removal by a microbial consortium combined with nZVI modified by layered double hydroxide (nZVI-LDH) was evaluated. The enriched PCE-degradi...

journal_title：Chemosphere

authors： Wang Q,Song X,Tang S,Yu L

更新日期：2020-03-01 00:00:00

abstract：:A geochemical study was carried out at the former Abbadia San Salvatore (ASS) mining site of the Monte Amiata ore district (Italy). Hg, As and Sb total contents and fractionation using a sequential extraction procedure were determined in soil and mining waste samples. Ore processing activities provided a different con...

journal_title：Chemosphere

authors： Protano G,Nannoni F

更新日期：2018-05-01 00:00:00

abstract：:Polybrominated diphenyl ethers (PBDEs) are characterized by chemical properties and toxicological profiles similar to other POPs (persistent organic pollutants) included in the EU Priority Pollutant List (2455/01/CE). However, limited data have been available for these compounds thus far for Italian freshwater abiotic...

journal_title：Chemosphere

authors： Guzzella L,Roscioli C,Binelli A

更新日期：2008-11-01 00:00:00

abstract：:The levels of three hexabromocyclododecane (HBCD) isomers and ΣHBCDs in 54 wild and 11 farmed seafood samples collected from four regions of Japan were determined by LC/MS/MS. For the fish classified as Anguilliformes, Perciformes, Clupeiformes and farmed Salmoniformes, the medians (ranges) of ΣHBCDs are 2.09 (0.05-36...

journal_title：Chemosphere

authors： Nakagawa R,Murata S,Ashizuka Y,Shintani Y,Hori T,Tsutsumi T

更新日期：2010-09-01 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