Immunoquantitation of cytochromes P450 1A and P450 2B and comparison with chlorinated hydrocarbon levels in archived polar bear liver samples.

abstract：:Heavy metals and antibiotics residues in agricultural soils are attracting more and more attention. A laboratory study was conducted to evaluate the single and combined effects of sulfadimidine (SM2) (0.05, 0.20, 0.80 mmol/kg) and copper (Cu) (1.60 mmol/kg) on soil microbial biomasses and ammoxidation microorganisms a...

journal_title：Chemosphere

authors： Wang L,Xia X,Zhang W,Wang J,Zhu L,Wang J,Wei Z,Ahmad Z

更新日期：2019-08-01 00:00:00

abstract：:The crystal structure of PCB 77 (3,3',4,4'-tetrachlorobiphenyl, C(12)H(6)Cl(4)), a dioxin-like PCB congener, is described. The dihedral angle of PCB 77 is 43.94(6) degrees, which is slightly larger than calculated or experimental dihedral angles of biphenyl derivatives in solution but smaller than experimental dihedra...

journal_title：Chemosphere

authors： Shaikh NS,Parkin S,Luthe G,Lehmler HJ

更新日期：2008-02-01 00:00:00

abstract：:We investigated anaerobic degradation rates for three phthalate esters (PAEs), diethyl phthalate (DEP), di-n-butyl phthalate (DBP), and di-(2-ethylhexyl) phthalate (DEHP), from river sediment in Taiwan. The respective anaerobic degradation rate constants for DEP, DBP, and DEHP were observed as 0.045, 0.074, and 0.027 ...

journal_title：Chemosphere

authors： Chang BV,Liao CS,Yuan SY

更新日期：2005-03-01 00:00:00

abstract：:Perfluoroalkyl acids (PFAAs) and their precursors have been used in various consumer products. However, limited information regarding their occurrence and concentration levels in products is available. In this study, we investigated 18 PFAAs and 14 PFAA precursors in various categories of consumer products purchased i...

journal_title：Chemosphere

authors： Ye F,Zushi Y,Masunaga S

更新日期：2015-05-01 00:00:00

abstract：:Atrazine is well known to be a biologically hazardous substance with toxic effects, but atrazine-induced neurotoxicity remains unclear. The aim of this study was to investigate the mechanisms of atrazine-induced cerebellar toxicity. To determine atrazine-exerted potential neurotoxicity, quails were treated with 50, 25...

journal_title：Chemosphere

authors： Xia J,Qin L,Du ZH,Lin J,Li XN,Li JL

更新日期：2017-03-01 00:00:00

abstract：:It is cost effective and thermodynamically feasible to recover EDTA and remove potential toxic elements (PTEs) with sulfide precipitation from soil-washing wastewater produced from EDTA washing PTEs-contaminated soil. However, poor solid-liquid separation and EDTA recovery restrict its application due to a large numbe...

journal_title：Chemosphere

authors： Wang Q,Chen J

更新日期：2019-12-01 00:00:00

abstract：:Transformation processes of nitroaromatic compounds (NAC) are described that lead to polar and highly hydrophilic metabolites in ammunition waste water. For the identification of proposed metabolites, several analytical methods for the separation and determination of these compounds were developed and applied to the i...

journal_title：Chemosphere

authors： Schmidt TC,Steinbach K,von Löw E,Stork G

更新日期：1998-09-01 00:00:00

abstract：:The effects of multiple heavy metal stress on the activity of antioxidative enzymes and lipid peroxidation were studied in leaves and roots of two mangrove plants, Kandelia candel and Bruguiera gymnorrhiza, grown under control (10 per thousand NaCl nutrient solution) or five levels of multiple heavy metal stress (10 p...

journal_title：Chemosphere

authors： Zhang FQ,Wang YS,Lou ZP,Dong JD

更新日期：2007-02-01 00:00:00

abstract：:Present study was conducted to evaluate the effect of lead tolerant plant growth promoting rhizobacteria (LTPGPR) on growth, physiology, yield, antioxidant activities and lead uptake in sunflower in soil contaminated with lead under pot conditions. Three pre-characterized LTPGP strains (S2 (Pseudomonas gessardii strai...

journal_title：Chemosphere

authors： Saleem M,Asghar HN,Zahir ZA,Shahid M

更新日期：2018-03-01 00:00:00

abstract：:Because heavy metals (HMs) occurring naturally in soils accumulate continuously due to human activities, identifying and apportioning their sources becomes a challenging task for pollution prevention in urban environments. Besides the enrichment factors (EFs) and principal component analysis (PCA) for source classific...

journal_title：Chemosphere

authors： Luo XS,Xue Y,Wang YL,Cang L,Xu B,Ding J

更新日期：2015-05-01 00:00:00

abstract：:The effect of two terpenes, carvone and limonene, on the biodegradation of DELOR 103, a commercial mixture of polychlorinated biphenyls (PCBs), by Pseudomonas stutzeri, an isolate from long-term PCB-contaminated soil, was studied in detail. The addition of both carvone and limonene as potential inducers of the dioxyge...

journal_title：Chemosphere

authors： Tandlich R,Brezná B,Dercová K

更新日期：2001-09-01 00:00:00

abstract：:Sewage sludge-amended soils may alter their ability to adsorb heavy metals over time, due to the decomposition of sludge-borne organic matter. Thus, we studied Cd, Ni, and Zn adsorption by a sewage sludge-amended soil (Typic Xerofluvent) before and after one-year incubation in both monometal and competitive systems. I...

journal_title：Chemosphere

authors： Antoniadis V,Tsadilas CD,Ashworth DJ

更新日期：2007-06-01 00:00:00

abstract：:In this communication we report on a genetically engineered bacterium that reacts by light emission to the presence of 4-chlorobenzoic acid. To construct this strain, DNA fragment (1.7 kb) upstream from the 4-chlorobenzoic acid dehalogenase (fcb) operon of Arthrobacter SU was fused to Vibriofischeri luxCDABE genes. An...

journal_title：Chemosphere

authors： Rozen Y,Nejidat A,Gartemann KH,Belkin H

更新日期：1999-02-01 00:00:00

abstract：:The use of ion exchange technology was studied to remove chromium (III) from acidic waste solution by Amberlite IR-120 resin. Batch and column experimental tests were conducted to provide data for theoretical models and verify the system performance of the adsorption process. Results of batch equilibrium tests indicat...

journal_title：Chemosphere

authors： Alguacil FJ,Alonso M,Lozano LJ

更新日期：2004-11-01 00:00:00

abstract：:Perchlorate (ClO(4)(-)), which is used as an oxidizer in jet and rocket fuels, pyrotechnic devices and explosives, is a widespread contaminant in surface waters and groundwater of many countries. Perchlorate is known to affect thyroid function. Despite the compound's widespread occurrence and potential health effects,...

journal_title：Chemosphere

authors： Kannan K,Praamsma ML,Oldi JF,Kunisue T,Sinha RK

更新日期：2009-06-01 00:00:00

abstract：:To study the recent contamination history of DDT (1,1,1-trichloro-2,2-bis(chlorophenyl)ethane) and its metabolites, as well as methoxychlor (1,1,1-trichloro-2,2-bis(p-methoxyphenyl)ethane), chlorfenson (4-chlorophenyl-p-chlorobenzenesulfonate), and further halogenated aromatics, a sediment core was collected from the ...

journal_title：Chemosphere

authors： Heim S,Ricking M,Schwarzbauer J,Littke R

更新日期：2005-12-01 00:00:00

abstract：:The presence of trace levels of organic contaminants in the environment is currently an environmental concern. When these contaminants are subjected to environmental transformations, environmental transformation products (ETPs) are obtained, whose structures often remain unknown. The absence of information concerning ...

journal_title：Chemosphere

authors： Laurencé C,Rivard M,Martens T,Morin C,Buisson D,Bourcier S,Sablier M,Oturan MA

更新日期：2014-10-01 00:00:00

abstract：:Endogenous pollution from sediments is gradually becoming a critical pollution source of the drinking water reservoir. Odorants can be released from sediments into the overlying water which further deteriorate the water quality of the drinking water reservoir. In this work, we set the sediment-overlying water systems ...

journal_title：Chemosphere

authors： Peng C,Yan X,Wang X,Huang Y,Jiang L,Yuan P,Wu X

更新日期：2021-02-01 00:00:00

abstract：:Benzidine, an odorless, white to slightly reddish-white crystalline organic compound, is an environmental contaminant that has been identified at about 30 National Priorities List (NPL) hazardous waste sites in the United States. In the environment, it is usually found attached to suspended particles either in its "fr...

journal_title：Chemosphere

authors： Choudhary G

更新日期：1996-01-01 00:00:00

abstract：:The decomposition of (14)C-fenitrothion on silica gel chromatoplates as well as in polar and non polar solvents under sunlight and ultraviolet light was investigated, Its stability to sunlight on leaf surfaces of bean plants and on different surfaces (such as glass, quartz and plastic) was also determined. The main ph...

journal_title：Chemosphere

authors： Zayed SM,Mahdy F

更新日期：2008-02-01 00:00:00

abstract：:Surface water can be contaminated with pollutants from multiple sources and contain a vast number of various chemicals. In vitro bioassays are valuable tools to assess the total bioactivity of micropollutants in water samples. Besides anthropogenic chemicals, natural organic matter (NOM) is ubiquitous in water, which ...

journal_title：Chemosphere

authors： Rosenmai AK,Niss F,Mandava G,Lundqvist J,Oskarsson A

更新日期：2018-06-01 00:00:00

abstract：:The main purpose of this article is to summarize and illustrate the results of a literature search on the types, levels, relative concentrations, concentration spread of individual chemicals, and number of airborne compounds (mostly volatile organic compounds, VOCs) that have been found, measured, and reported both in...

journal_title：Chemosphere

authors： Cometto-Muñiz JE,Abraham MH

更新日期：2015-05-01 00:00:00

abstract：:This study systematically investigates the characteristic degradation behaviors of dimethylsulfoxide (DMSO) by the streamer corona discharge process (SCDP) in water. The analysis of the oxidized intermediates of DMSO shows that hydroxyl radical (*OH) is the main oxidant responsible for the degradation of DMSO in the S...

journal_title：Chemosphere

authors： Lee C,Lee Y,Yoon J

更新日期：2006-11-01 00:00:00

abstract：:Dichomitus squalens efficiently decolorized both Orange G and Remazol Brilliant Blue R (RBBR) at concentrations of 0.5gl(-1) and 3gl(-1) in static and shaken culture and also on solid medium within 14d. The presence of the dyes in the culture medium mostly caused a decrease in biomass production and in growth rate, wh...

journal_title：Chemosphere

authors： Eichlerová I,Homolka L,Benada O,Kofronová O,Hubálek T,Nerud F

更新日期：2007-10-01 00:00:00

abstract：:Past usage of polybrominated diphenyl ethers (PBDEs) and hexabromocyclododecane (HBCDD) in commercial products resulted in their continuous emission from sources. Wastewater treatment plants (WWTP) are the main sinks resulting from their industrial and domestic usage as well as atmospheric deposition. This preliminary...

journal_title：Chemosphere

authors： Demirtepe H,Imamoglu I

更新日期：2019-04-01 00:00:00

abstract：:To take an insight into the long-term accumulation of chromium (Cr) and cadmium (Cd) in school-age children living near an MWI and to assess their early renal impairment, we conducted a cross-sectional study in 2015. A total of 116 children from the exposure area and 122 from the control area were recruited. We measur...

journal_title：Chemosphere

authors： Xu P,Wu L,Chen Y,Xu D,Wang X,Fu Q,Chen Z,Lou X,Lou J

更新日期：2020-02-01 00:00:00

abstract：:Vitellogenin (VTG), a well-established biomarker for the diagnosis of endocrine activity in fish, is used in multiple OECD test guidelines (TG) to identify activities of chemicals on hormonal pathways. However, the synthesis of VTG may not only be modified by typical endocrine-related pathways, but also through non-en...

journal_title：Chemosphere

authors： Baumann L,Holbech H,Schmidt-Posthaus H,Moissl AP,Hennies M,Tiedemann J,Weltje L,Segner H,Braunbeck T

更新日期：2020-01-01 00:00:00

abstract：:Bentonite was modified by introducing humic acid (HA) into interlayer space of bentonite. The structural and physicochemical properties of modified bentonite were determined by Fourier transform infrared spectroscopy (FT-IR), scanning electron microscope (SEM), X-ray powder diffraction (XRD) and thermogravimetric anal...

journal_title：Chemosphere

authors： Shen Y,Jiao S,Ma Z,Lin H,Gao W,Chen J

更新日期：2020-09-01 00:00:00

abstract：:In this study, the artificial soil poisoning method was used to explore the antioxidative stress mechanism and gene changes of earthworms (Eisenia foetida) after application of nitenpyram. The toxic effects of nitenpyram on earthworms were combined with the method called the second-generation integrated biomarker resp...

journal_title：Chemosphere

authors： Zhang W,Xia X,Wang J,Zhu L,Wang J,Wang G,Chen Y,Kim YM

更新日期：2021-02-01 00:00:00

abstract：:The content and type of polycyclic aromatic hydrocarbons (PAH) in soils from paddy fields and upland areas in South Korea were determined using gas chromatography linked to mass spectrometry (GC-MS). The distribution map of total PAH content was obtained as a contour plot using a geographical information system. The o...

journal_title：Chemosphere

authors： Nam JJ,Song BH,Eom KC,Lee SH,Smith A

更新日期：2003-03-01 00:00:00