PCDD/DFs and coplanar PCBs in sediment and fish samples from the Er-Jen river in Taiwan.

abstract：:A method for the determination of polybrominated diphenyl ethers (PBDEs) in biota for routine analysis is described. The mass spectroscopic (MS) evaluation of 23 brominated diphenyl ethers, under electron ionization and electron capture negative ion conditions using magnetic sector and quadrupole mass spectrometers, s...

journal_title：Chemosphere

authors： Alaee M,Sergeant DB,Ikonomou MG,Luross JM

更新日期：2001-09-01 00:00:00

abstract：:Head lettuce plantlets (Lactuca sativa L. var. capitata) were potted, treated with vinclozolin at the six-leaf stage according to application standards and allowed to dry for 24 h. The potted plantlets were then placed in either growth chambers with controlled temperature (20 and 25 degrees C, respectively) or in a gr...

journal_title：Chemosphere

authors： Baumeister M,Steep M,Dieckmann S,Melzer O,Klöppel H,Jürling H,Bender L

更新日期：2002-07-01 00:00:00

abstract：:Atmospheric particulate matter (PM2.5) is associated with the morbidity and mortality of cardiovascular diseases. However, whether PM2.5 penetrates into the cells and the potential mechanisms are unknown. Hence, the study firstly indicated that PM2.5 could penetrate into the HUVEC cells, and phagocytosis, micropinocyt...

journal_title：Chemosphere

authors： Su R,Jin X,Li H,Huang L,Li Z

更新日期：2020-02-01 00:00:00

abstract：:Tebuconazole is a triazole compound used agriculturally to treat plant pathogenic fungi. However, whether pubertal exposure to tebuconazole affects Leydig cell development remains unknown. Here, we exposed male Sprague-Dawley rats at 35 days of age to 0, 25, 50, or 100 mg kg-1 day-1 tebuconazole for 21 days. Tebuconaz...

journal_title：Chemosphere

authors： Chen X,Zhu Q,Li X,Huang T,Wang S,Wang Y,Chen X,Lin Z,Ge RS

更新日期：2019-09-01 00:00:00

abstract：:Lead concentration is increasing rapidly in the environment due to increased use of its sources by human society. Alarming concentrations of the metal have been reported in dust of densely populated urban areas and, water and land of various areas near the industrial waste disposals. Plants absorb lead and accumulatio...

journal_title：Chemosphere

authors： Singh RP,Tripathi RD,Sinha SK,Maheshwari R,Srivastava HS

更新日期：1997-06-01 00:00:00

abstract：:Use of wastewater is known to provide nutrients for crop plants, but its potential to improve phosphorus (P) availability in semi-arid regions is poorly understood. In this study, seasonal changes in soil P availability as well as associated phyiscochemical and biochemical indicators were investigated from the wastewa...

journal_title：Chemosphere

authors： Ahmad A,Arif MS,Yasmeen T,Riaz M,Rizwan M,Shahzad SM,Ali S,Riaz MA,Sarosh M

更新日期：2020-01-01 00:00:00

abstract：:This study aimed to produce a high-value platform chemical, hydroxymethylfurfural (HMF), from food waste and evaluate the catalytic performance of trivalent and tetravalent metals such as AlCl3, CrCl3, FeCl3, Zr(O)Cl2, and SnCl4 for one-pot conversion. Starchy food waste, e.g., cooked rice and penne produced 4.0-8.1 w...

journal_title：Chemosphere

authors： Yu IKM,Tsang DCW,Yip ACK,Chen SS,Ok YS,Poon CS

更新日期：2017-10-01 00:00:00

abstract：:Trace metal ions such as cadmium (Cd2+) and trace organics typified by 2,3,7,8- tetrachlorodibenzo-p-dioxin (TCDD) are common co-contaminants in the environment and cause toxic effects in aquatic organisms that pose serious health risks. We studied the effects of Cd2+ on the regulation of cytochrome P450 1A1 (cyp1a1) ...

journal_title：Chemosphere

authors： Chen YY,Chan KM

更新日期：2018-11-01 00:00:00

abstract：:Semipermeable membrane devices (SPMDs) are commonly used as a time-integrated measure of aqueous concentrations of persistent hydrophobic chemicals, including PAH, pesticides, dioxins, and PCBs. Another class of persistent hydrophobic chemicals is petroleum biomarker compounds (hopanes and steranes) that are used for ...

journal_title：Chemosphere

authors： Luellen DR,Shea D

更新日期：2003-11-01 00:00:00

abstract：:The toxicity of leachates from two municipal solid waste (MSW) landfills in Southern Italy was characterized using a toxicity identification evaluation procedure. The chemical and physical fractionation techniques were: pH adjustment, pH adjustment/filtration, pH adjustment/C(18) solid phase extraction, graduated pH a...

journal_title：Chemosphere

authors： Isidori M,Lavorgna M,Nardelli A,Parrella A

更新日期：2003-07-01 00:00:00

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：:Inuit people living in the Arctic receive an unusually high dose of dioxin-like compounds through their traditional diet, which comprises large amounts of fatty tissues from various sea mammal species. During breast feeding, the mother transfers part of their body burden to its newborn. We estimated the impact of brea...

journal_title：Chemosphere

authors： Ayotte P,Carrier G,Dewailly E

更新日期：1996-02-01 00:00:00

abstract：:The influences of temperature, air flow and the amount of copper chloride upon the types and amount of the toxic emissions such as polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/Fs) and polycyclic aromatic hydrocarbons (PAHs) during combustion of polyvinyl chloride (PVC) were investigated. T...

journal_title：Chemosphere

authors： Wang D,Xu X,Zheng M,Chiu CH

更新日期：2002-09-01 00:00:00

abstract：:Our goal was to create a photodegradation model based on the META expert system [G. Klopman, M. Dimayuga, J. Talafous, J. Chem. Inf. Comput. Sci. 34 (1994a) 1320-1325]. This requires the development of a dictionary of photodegradation pathways. Equipped with such a dictionary, we found that META successfully predicts ...

journal_title：Chemosphere

authors： Sedykh A,Saiakhov R,Klopman G

更新日期：2001-11-01 00:00:00

abstract：:Organic amendments (OA) have been applied in many mercury (Hg)-polluted paddy soils to meet increasing food demands with scarce land resources. However, little is known on the effects of different OAs on Hg dissolution and the composition of dissolved organic matter (DOM) in soil pore waters, both of which may be asso...

journal_title：Chemosphere

authors： Li M,Drosos M,Hu H,He X,Wang G,Zhang H,Hu Z,Xi B

更新日期：2019-10-01 00:00:00

abstract：:The complexation of Fe(II) with organic ligand results in the decrease of redox potential, and enhances the reduction ability of Fe(II). An important example is the use of Fe(II)-organic complexes to accelerate Cr(VI) reduction. Dissolved O(2) and light can potentially affect Cr(VI) reduction; however, these two facto...

journal_title：Chemosphere

authors： Tzou YM,Wang MK,Loeppert RH

更新日期：2003-06-01 00:00:00

abstract：:The co-contamination of cereals, grains, crops, and animal feeds by mycotoxins is a universal problem. Humans and animals are exposed to several mycotoxins simultaneously as evidenced by extensive studies on this topic. Yet, most studies have addressed the effects of mycotoxins individually. Aflatoxin B1 and ochratoxi...

journal_title：Chemosphere

authors： Hou L,Gan F,Zhou X,Zhou Y,Qian G,Liu Z,Huang K

更新日期：2018-05-01 00:00:00

abstract：:The presence of polybrominated diphenyl ethers (PBDEs) from mono to hepta brominated and 11 hydroxylated (OH-) and methoxylated (MeO-) PBDEs was examined in 37 breast milk samples collected from 11 mothers living in Barcelona. An extraction method based on accelerated solvent extraction followed by gas chromatography ...

journal_title：Chemosphere

authors： Lacorte S,Ikonomou MG

更新日期：2009-01-01 00:00:00

abstract：:More attention was focused on fungi contamination in drinking water. Most researches about the inactivation of fungal spores has been conducted on disinfection efficiency and the leakage of intracellular substances. However, the specific structural damage of fungal spores treated by different disinfectants is poorly s...

journal_title：Chemosphere

authors： Cao R,Wan Q,Tan L,Xu X,Wu G,Wang J,Xu H,Huang T,Wen G

更新日期：2020-10-22 00:00:00

abstract：:The study concerned decolouration of solutions of azo, anionic (Acid Orange 7, Reactive Red 45, Acid Yellow 23) and cationic (Basic Blue 41 and Basic Orange 66) dyes during illumination with UV (lambdamax 366 nm) irradiation in the presence of TiO2 and FeCl3. The process of decolouration during illumination of the sol...

journal_title：Chemosphere

authors： Baran W,Makowski A,Wardas W

更新日期：2003-10-01 00:00:00

abstract：:The study provides cumulative data on the status of the two water bodies. The study designed revealed physicochemical properties (temperature, dissolved oxygen, pH, total dissolved solids and conductivity) to be in the desirable range, however, amongst the heavy metals excepting for Cd all were found to be higher than...

journal_title：Chemosphere

authors： Banday UZ,Swaleh SB,Usmani N

更新日期：2020-07-01 00:00:00

abstract：:This work focuses on the photocatalytic removal of recalcitrant organic pollutants in water treatment. Based on facile precipitation reaction, we fabricated a photocatalyst (PbCrO4) in single crystals that present evident response to visible light and employed the catalyst in the photocatalytic decomposition of microc...

journal_title：Chemosphere

authors： Liu G,Zhang G,Zhang S,Xu Y,Yang X,Zhang X

更新日期：2020-01-01 00:00:00

abstract：:Sulfate reducing bacteria (SRB) mediated reduction plays a key role in the biological cycling of As, which inherently associates with the transformation of As species. However, the potential pathways of As species transformation, the predominant driving process and their explanatory factors regulating seasonal As mobi...

journal_title：Chemosphere

authors： Shi W,Song W,Luo Y,Qile G,Zheng J,Lü C,He J

更新日期：2021-01-01 00:00:00

abstract：:The uptake and distribution of Pb and the mechanisms involved in the metal tolerance have been investigated in a mine population of Biscutella auriculata. Seedlings were exposed to 125 μM Pb(NO3)2 for 15 days under semihydroponic conditions. The results showed an increase in the size of Pb-treated seedlings and sympto...

journal_title：Chemosphere

authors： Peco JD,Higueras P,Campos JA,Olmedilla A,Romero-Puertas MC,Sandalio LM

更新日期：2020-12-01 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：:Heavy metals accumulated by aquatic crustaceans in environmental studies are normally investigated using the whole body burden, with little regard paid to uptake in different tissues, to potential gender of life stage differences, or to the influence of nutrition on the test organism. This is likely to give erroneous ...

journal_title：Chemosphere

authors： Pastorinho MR,Telfer TC,Soares AM

更新日期：2009-06-01 00:00:00

abstract：:PAH emission from the powered engines fueled by a 95 leadfree gasoline (95-LFG), a 92 leadfree gasoline (92-LFG) and a Premium leaded gasoline (PLG) with two gasoline additives (SA and SB) were collected using a PAH sampling system with a particulate interception device. Twenty one PAHs were analyzed primarily by an G...

journal_title：Chemosphere

authors： Mi HH,Lee WJ,Chen SJ,Lin TC,Wu TL,Hu JC

更新日期：1998-04-01 00:00:00

abstract：:Considering the magnitude of pollution caused by marine plastics, the present study assessed their abundance, distribution, surface morphology and polymer type in ten sandy beaches spread across three states (Maharashtra, Karnataka and Goa) along the west coast of India (WCI). The total abundance of plastics (∼1-100 m...

journal_title：Chemosphere

authors： Maharana D,Saha M,Dar JY,Rathore C,Sreepada RA,Xu XR,Koongolla JB,Li HX

更新日期：2020-05-01 00:00:00

abstract：:In this study, the influence of Na2SO4 on electro-dewatering (EDW) of waste activated sludge (WAS) was investigated. The highest water removal efficiency of 42.5% was achieved at the optimum Na2SO4 dosage of 12.5 g kg-1 DS during EDW process at a constant voltage of 20 V. The migration and distribution of water, organ...

journal_title：Chemosphere

authors： Xiao J,Wu X,Yu W,Liang S,Yu J,Gu Y,Deng H,Hu J,Xiao K,Yang J

更新日期：2017-12-01 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