Response and intraspecific differences in nitrogen metabolism of alfalfa (Medicago sativa L.) under cadmium stress.

abstract：:Arsenic (As) uptake and species in Arabidopsis thaliana were evaluated under hydroponic conditions. Plant nutrient solutions were treated with arsenite [As(III)] or arsenate [As(V)], and aqueous As speciation was conducted using a solid phase extraction (SPE) cartridge. Arabidopsis reduced As(V) to As(III) in the nutr...

journal_title：Chemosphere

authors： Park JH,Han YS,Seong HJ,Ahn JS,Nam IH

更新日期：2016-07-01 00:00:00

abstract：:The potential presence of pharmaceuticals, hormones and personal care products in drinking water supplies has raised concerned over the efficiency with which these substances are removed by water treatment processes. In this work, we analyzed samples of raw, unprocessed water collected in different periods and found t...

journal_title：Chemosphere

authors： Azzouz A,Ballesteros E

更新日期：2013-11-01 00:00:00

abstract：:In this study, the importance of Sb behavior under different pH conditions has been addressed with respect to its stabilization in aqueous solutions using Mg-Fe layered double hydroxides (LDHs). The Sb(V) adsorption onto Mg-Fe LDHs was performed at different initial Sb(V) concentrations and pH values (pH 5.5, 6.5 and ...

journal_title：Chemosphere

authors： Hudcová B,Erben M,Vítková M,Komárek M

更新日期：2019-08-01 00:00:00

abstract：:Effluent organic matter (EfOM) in bio-treated wastewater generally has negative impacts on advanced wastewater treatment processes. Thus, a comprehensive characterization of EfOM would help determine feasibility of wastewater treatment. The aim of this work was to characterize EfOM originating from four coking wastewa...

journal_title：Chemosphere

authors： Yang W,Wang J,Hua M,Zhang Y,Shi X

更新日期：2018-07-01 00:00:00

abstract：:Dechlorane plus (DP) is found widely in environmental media. Determining DP concentrations in dust and hair and identifying relationships between the concentrations in dust and hair could improve our understanding of the effects of DP in humans. DP concentrations in 48 hair samples from male and female students and in...

journal_title：Chemosphere

authors： Chen W,Li J,Dong Z,Bao J,Zhang A,Shen G,Wang Y,Hu J,Jin J

更新日期：2019-09-01 00:00:00

abstract：:Polyurethane foam - air partition coefficients (KPUF-air) for 9 polycyclic aromatic hydrocarbons (PAHs), 10 alkyl-substituted PAHs, 4 organochlorine pesticides (OCPs) and dibenzothiophene were measured as a function of temperature over the range 5 °C-35 °C, using a generator column approach. Enthalpies of PUF-to-air t...

journal_title：Chemosphere

authors： Francisco AP,Harner T,Eng A

更新日期：2017-05-01 00:00:00

abstract：:A dynamic system based on the water/air equilibrium at the interface within the length of a microporous tube has been used to determine experimentally the Henry's law constants (HLC) of two pesticides: metolachlor and diazinon. The measurements were conducted over the temperature range 283-301 K. At 293 K, HLCs values...

journal_title：Chemosphere

authors： Feigenbrugel V,Le Calvé S,Mirabel P

更新日期：2004-10-01 00:00:00

abstract：:DFT-B3LYP method with 6-31G(**) basis set was employed to fully optimize the electronic structures of 135 polychlorinated dibenzofurans and parent compound, namely dibenzofuran. It was demonstrated that polarizability anisotropy and mean polarizability could change sensitively and systematically with chlorine number a...

journal_title：Chemosphere

authors： Gu C,Jiang X,Ju X,Yu G,Bian Y

更新日期：2007-04-01 00:00:00

abstract：:Nitrogen-heterocyclic compounds (NHCs) are toxic and bio-refractory contaminants widely spread in environment. This study investigated electrochemical degradation of NHCs at boron-doped diamond (BDD) anode with particular attention to the effect of different number and position of nitrogen atoms in molecular structure...

journal_title：Chemosphere

authors： Xing X,Zhu X,Li H,Jiang Y,Ni J

更新日期：2012-01-01 00:00:00

abstract：:People have been suffering from air pollution for a decade in China, especially from PM2.5 (particulate matter with a diameter of less than 2.5 μm). Accurate prediction of air quality has great practical significance. In this paper, we propose a data-driven model, called as long short-term memory - fully connected (LS...

journal_title：Chemosphere

authors： Zhao J,Deng F,Cai Y,Chen J

更新日期：2019-04-01 00:00:00

abstract：:The primary goal of this work was to distinguish between soil pollution from long-range and local transport of atmospheric pollutants using soil magnetometry supported by geochemical analyses. The study area was located in the Izery region of Poland (within the "Black Triangle" region, which is the nickname for one of...

journal_title：Chemosphere

authors： Zawadzki J,Szuszkiewicz M,Fabijańczyk P,Magiera T

更新日期：2016-12-01 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：:Household dust and laundry dryer lint are important indoor environmental matrices that may have notable health effects on humans due to chronic exposure. However, due to the sample complexity the studies conducted on these sample matrices until now were almost exclusively on the basis of target analysis. In this study...

journal_title：Chemosphere

authors： Ouyang X,Weiss JM,de Boer J,Lamoree MH,Leonards PEG

更新日期：2017-01-01 00:00:00

abstract：:In a previous study it was shown that pH significantly influences the release of metals from oil sands coke, particularly Ni and V which were identified as the cause of coke leachate toxicity. Coke comes in contact with oil sands process water (OSPW) during its transport to and long term storage in reclamation landsca...

journal_title：Chemosphere

authors： Puttaswamy N,Liber K

更新日期：2012-02-01 00:00:00

abstract：:The ecotoxicity of binary chemical mixtures with a common mode of action is often predicted with the concentration addition model. The assumption of concentration addition is commonly tested statistically based on results of toxicity experiments with the two single chemicals and their binary mixture. The present simul...

journal_title：Chemosphere

authors： De Laender F,Janssen CR,De Schamphelaere KA

更新日期：2009-07-01 00:00:00

abstract：:TBBPA and HBCDs are the two classes of flame retardants that are still allowed for use by the European Commission. In May 2013, HBCDs were listed as Persistent Organic Pollutants under the Stockholm Convention, and they were banned with an exemption on EPS/XPS for cavity wall insulation. This study describes the devel...

journal_title：Chemosphere

authors： Inthavong C,Hommet F,Bordet F,Rigourd V,Guérin T,Dragacci S

更新日期：2017-11-01 00:00:00

abstract：:As a synthetic estrogen, 17α-ethynylestradiol (EE2) has been known to show the strong estrogenic potency. This work critically reviewed the occurrence and removal of EE2 in municipal wastewater treatment plants (WWTPs). Based on the on-site investigations from 282 municipal WWTPs across 29 countries, the concentration...

journal_title：Chemosphere

authors： Tang Z,Liu ZH,Wang H,Dang Z,Liu Y

更新日期：2021-01-04 00:00:00

abstract：:The allelopathic potential of Alliaria petiolata is well established in the lab, but questions remain about the importance of these processes in natural settings, partly because we know so little about the stability of the purported allelopathic compounds. We determined the half-lives of several flavonoid glycosides p...

journal_title：Chemosphere

authors： Barto EK,Cipollini D

更新日期：2009-06-01 00:00:00

abstract：:Hexafluoropropylene oxide (HFPO) homologues, as emerging perfluoroalkyl substances (PFASs) to replace legacy PFASs, have wide applications in the organofluorine industry and have been detected in the global environment. However, it is still unclear what effect HFPO homologues will exert on microbial abundance, communi...

journal_title：Chemosphere

authors： Ke Y,Tong T,Chen J,Huang J,Xie S

更新日期：2020-11-01 00:00:00

abstract：:Benzo [a] pyrene (BaP), the most ubiquitous polycyclic aromatic hydrocarbons (PAHs) found in sludge, can impact the composting processes of sewage sludge as well as the quality of compost produced. In the present study, we investigated the effects of BaP at various concentrations on physicochemical characteristics, he...

journal_title：Chemosphere

authors： Liu H,Yin H,Tang S,Wei K,Peng H,Lu G,Dang Z

更新日期：2019-05-01 00:00:00

abstract：:Drinking water treatment residuals (WTRs) have been applied in organic pollutants degradation in water by generating reactive oxygen species from peroxymonosulfate (PMS), however, the slow transformation of Fe(III) to Fe(II) may limit its widespread application. Hydroxylamine (HA) was introduced into the system to enh...

journal_title：Chemosphere

authors： Zhang H,Liu X,Lin C,Li X,Zhou Z,Fan G,Ma J

更新日期：2019-06-01 00:00:00

abstract：:The spatial distribution and seasonal variations of atmospheric iodine (I), selenium (Se) and caesium (Cs) depositions remain unclear and this precludes adequate inputs for biogeochemical models. We quantified total concentrations and fluxes of these elements in rainfalls from 27 monitoring sites in France with contra...

journal_title：Chemosphere

authors： Roulier M,Bueno M,Coppin F,Nicolas M,Thiry Y,Rigal F,Le Hécho I,Pannier F

更新日期：2020-11-13 00:00:00

abstract：:Ecotoxicological data and potential impact of chlorpyrifos (CPF) in the region are scarce for prescribing safety limits. Therefore, toxicity and sublethal impact of CPF on fish fingerlings of Mugil cephalus (3.0 ± 1.2 cm) and Chanos chanos (3.0 ± 1.5 cm) were studied. Acute and chronic toxicity tests were conducted by...

journal_title：Chemosphere

authors： Marigoudar SR,Nagarjuna A,Karthikeyan P,Mohan D,Sharma KV

更新日期：2018-11-01 00:00:00

abstract：:Neonicotinoid insecticides (NEOs) have become the most widely used insecticides worldwide, and they are ubiquitous in food (i.e., fruit juices). In the present study, occurrence of seven NEOs and four metabolites (m-NEOs) in 400 fruit juice samples were investigated. NEOs and m-NEOs were frequently detected (65%-86%) ...

journal_title：Chemosphere

authors： Li D,Zhang H,Chang M,Shen K,Zhang N,Zhu K,Zhou Z,Zhang W,Wang Q,Liu X,Zhang W

更新日期：2020-12-01 00:00:00

abstract：:The behavior of arsenic (As) in paddy soil is of great interest because rice is an efficient As accumulator, which can result in potential health risks to humans. In this study, we investigated the distribution and translocation of As speciation within the soil-rice system in the presence of Fenton solution (100 μM H2...

journal_title：Chemosphere

authors： Wang S,Li Q,Stubbings WA,Li L,Qin J,Li H

更新日期：2021-01-25 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：:The aim of the present study was to investigate the potential sources of heavy metals in fine air particles (PM2.5) and benzene, toluene, ethylbenzene, and isomeric xylenes (BTEX) in gas phase indoor air. PM2.5 samples were collected using a low volume sampler. BTEX samples were collected using passive sampling onto s...

journal_title：Chemosphere

authors： Idris SA',Hanafiah MM,Khan MF,Hamid HHA

更新日期：2020-09-01 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：:The toxicities of Cr (III) and Cr (VI) in water were evaluated using sulfur-oxidizing bacterial (SOB) bioassays both in batch and fed-batch conditions. Two days were enough for a quick buildup of SOB consortium in the master culture reactor (MCR). At concentrations up to 100 mg L(-1), Cr (III) was found to be nontoxic...

journal_title：Chemosphere

authors： Qambrani NA,Hwang JH,Oh SE

更新日期：2016-10-01 00:00:00

abstract：:Inhibition of phytoplankton by allelochemicals released by submerged macrophytes is reported to be one of the mechanisms that maintain a clear-water state in shallow lakes. In order to elucidate this mechanism, the ability of six polyphenols and two long-chain fatty acids to induce the generation of reactive oxygen sp...

journal_title：Chemosphere

authors： Wang J,Zhu J,Liu S,Liu B,Gao Y,Wu Z

更新日期：2011-10-01 00:00:00