Effects of exogenous N-acyl-homoserine lactones on nutrient removal, sludge properties and microbial community structures during activated sludge process.

abstract：:The increasing loss of bee colonies in many countries has prompted a surge of studies on the factors affecting bee health. In North America, main crops such as maize and soybean are cultivated with extensive use of pesticides that may affect non-target organisms such as bees. Also, biosolids, used as a soil amendment,...

journal_title：Chemosphere

authors： Jumarie C,Aras P,Boily M

更新日期：2017-02-01 00:00:00

abstract：:The assimilation of PCDD/Fs and PCBs in chickens, pigs and sheep was investigated in studies using conventional animal husbandry practices. Closely matched samples of muscle (meat), liver, kidneys, eggs, milk, feed, soil and grass were collected of which 105 were analysed. The data obtained were consistent with the PC...

journal_title：Chemosphere

authors： Fernandes AR,Foxall C,Lovett A,Rose M,Dowding A

更新日期：2011-04-01 00:00:00

abstract：:Concentrations of 28 trace elements (Li, Mg, Al, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, As, Se, Rb, Sr, Mo, Ag, Cd, In, Sn, Sb, Cs, Tl, Hg, Pb, and Bi) in the livers of juvenile and adult American alligators inhabiting two central Florida lakes, Lake Apopka (LA), and Lake Woodruff National Wildlife Refuge (LW) and one lag...

journal_title：Chemosphere

authors： Horai S,Itai T,Noguchi T,Yasuda Y,Adachi H,Hyobu Y,Riyadi AS,Boggs AS,Lowers R,Guillette LJ Jr,Tanabe S

更新日期：2014-08-01 00:00:00

abstract：:Release of 3,3'-dichlorobenzidine (DCB), an intermediate in dye manufacturing processes, is of environmental concern due to its carcinogenic nature. An 11-year field study has been conducted to elucidate the fate and behavior of DCB and its congeners in the Lake Macatawa (Holland, MI, USA) sediment-water system. The s...

journal_title：Chemosphere

authors： Harden J,Donaldson FP,Nyman MC

更新日期：2005-02-01 00:00:00

abstract：:In sediments several binding phases dictate the fate and bioavailability of organic contaminants. Black carbon (BC) has a high sorptive capacity for organic contaminants and can limit their bioavailability, while the fraction bound to organic carbon (OC) is considered to be readily desorbable and bioavailable. We inve...

journal_title：Chemosphere

authors： Bräunig J,Tang JYM,Warne MSJ,Escher BI

更新日期：2016-08-01 00:00:00

abstract：:Recent monitoring data indicate that portions of Italy's Venice Lagoon ecosystem have been degraded due to biological and chemical pollution from a variety of potential sources. Using polychlorinated dibenzo-p-dioxin (PCDD) and dibenzofuran (PCDF) data collected from sediment, fish and shellfish in the Lagoon, a scree...

journal_title：Chemosphere

authors： Wenning R,Dodge D,Peck B,Shearer K,Luksemburg W,Della Sala S,Scazzola R

更新日期：2000-05-01 00:00:00

abstract：:Bicarbonate anion is an efficient activator for hydrogen peroxide to generate many active oxygen species including peroxymonocarbonate (HCO(4)(-)), superoxide ion (O(2)(-)) and singlet oxygen ((1)O(2)). This study aims to understand the oxidative degradation of organic pollutants including methyl blue, methyl orange, ...

journal_title：Chemosphere

authors： Xu A,Li X,Xiong H,Yin G

更新日期：2011-02-01 00:00:00

abstract：:Bottom ash from open-burning of municipal waste practised in developing countries poses a risk of heavy metal leaching into groundwater. Compared to incineration ash, there is limited information on heavy metal leaching from open-burning ash and soil from non-engineered landfills. Batch and column experiments were con...

journal_title：Chemosphere

authors： Gwenzi W,Gora D,Chaukura N,Tauro T

更新日期：2016-03-01 00:00:00

abstract：:In this study, solubilization of PAHs from a manufactured gas plant (MGP) soil and two artificially spiked soils using fatty acid methyl esters (FAME) was investigated. PAH removals from both the MGP and the spiked soils by FAME, methanol, soybean oil, hydroxypropyl-beta-cyclodextrin, Triton X-100, and Tween 80 were c...

journal_title：Chemosphere

authors： Gong Z,Wang X,Tu Y,Wu J,Sun Y,Li P

更新日期：2010-03-01 00:00:00

abstract：:Livers of birds collected from Japan and Korea (n = 83) were analyzed to determine the concentrations of perfluorooctanesulfonate (PFOS), perfluorooctanesulfonamide (FOSA), perfluorooctanoic acid (PFOA) and perfluorohexanesulfonate (PFHS). PFOS was found in the livers of 95% of the birds analyzed at concentrations gre...

journal_title：Chemosphere

authors： Kannan K,Choi JW,Iseki N,Senthilkumar K,Kim DH,Giesy JP

更新日期：2002-10-01 00:00:00

abstract：:Electrochemical degradation of triclosan in human urine was firstly studied by using Ti/SnO2-Sb/PbO2 anode doped with rare-earth elements. The results indicated that the Ti/SnO2-Sb/Gd-PbO2 anode demonstrated the best performance with the degradation rate constants being 0.095 min-1 in fresh urine and 0.045 min-1 in hy...

journal_title：Chemosphere

authors： Zhou C,Wang Y,Tang S,Wang Y,Yu H,Niu J

更新日期：2021-02-01 00:00:00

abstract：:Microplastics and Nitropolycyclic aromatic hydrocarbons (NPAHs) are two types of emerging pollutants that are strong potential threats to aquatic ecosystems and organisms. The adsorption of NPAHs on microplastics may explain the fate and effects of NPAHs in natural environments. In this study, the adsorption behavior ...

journal_title：Chemosphere

authors： Zhang J,Chen H,He H,Cheng X,Ma T,Hu J,Yang S,Li S,Zhang L

更新日期：2020-04-01 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：:This paper presents the results of water, soil and air analyses taken in the vicinity of a former ferrochromium metallurgical plant. In the past, the area was used for the disposal of waste materials containing smelter slag, dust and other waste products from the manufacture of ferrochromium alloys for the army. Recen...

journal_title：Chemosphere

authors： Pawełczyk A,Božek F,Grabas K

更新日期：2016-06-01 00:00:00

abstract：:The goals of this work were to isolate and identify an anti-algal compound from extracts of Artemisia annua and study its mode of action on Microcystis aeruginosa. The anti-algal compound was isolated from the extracts using column chromatography and activity-guided fractionation methods. Artemisinin with strong anti-...

journal_title：Chemosphere

authors： Ni L,Acharya K,Hao X,Li S

更新日期：2012-08-01 00:00:00

abstract：:An extracellular H2O2-requiring Remazol Brilliant Blue R (RBBR) decolorizing enzyme activity was detected after cultivation of cells of various plant species both in liquid medium and when growing on agar plates containing RBBR. Level of the enzyme activity was compared with the ability to metabolize polychlorinated b...

journal_title：Chemosphere

authors： Chroma L,Macek T,Demnerova K,Macková M

更新日期：2002-11-01 00:00:00

abstract：:Results of a preliminary survey of particulate and dioxin emissions in combustion gases from hospital waste incinerators in Antioquia-Colombia are presented. Base line data of total suspended particulate (TSP) and polychlorinated dibenzodioxin and dibenzofuran (PCDD/PCDF) emissions in incinerators from health care ins...

journal_title：Chemosphere

authors： Hoyos A,Cobo M,Aristizábal B,Córdoba F,Montes de Correa C

更新日期：2008-08-01 00:00:00

abstract：:This study aimed to determine the chronic toxicity of the ionic liquid (IL) 1-methyl-3-octylimidazolium bromide ([C8mim]Br) on silver carp to further study the toxicological mechanism of ILs. For this purpose, 60-d chronic exposure at concentrations of 1.09 or 4.38 mg L-1 [C8mim]Br in silver carp was conducted. The re...

journal_title：Chemosphere

authors： Ma J,Li X,Cui M,Li W,Li X

更新日期：2018-12-01 00:00:00

abstract：:Although atrazine has been banned in the European Union since 2007 it still persists in soil from where it can enter the food chain. Milk-producing animals accumulate atrazine from contaminated feed and water and since large quantities of milk and milk products are consumed its quality should be constantly monitored. ...

journal_title：Chemosphere

authors： Barchanska H,Jodo E,Price RG,Baranowska I,Abuknesha R

更新日期：2012-06-01 00:00:00

abstract：:Methyl-, ethyl- and phenyl mercury, total mercury and fat content were determined in fish fillet of the five different fish species: eel, perch, roach, chub and barbel. The organo mercury compounds were extracted according to a modified Westöö method and determined by using HPLC-cold vapour atomic absorption spectrome...

journal_title：Chemosphere

authors： Falter R,Schöler HF

更新日期：1994-09-01 00:00:00

abstract：:A global chemical transport model (MOZART-2; model of ozone and related tracers, version 2) was used to assess physical and chemical processes that control the budget of tropospheric carbon monoxide (CO) in North China. Satellite observations of CO from the measurements of pollution in the troposphere (MOPITT) instrum...

journal_title：Chemosphere

authors： Peng L,Zhao C,Lin Y,Zheng X,Tie X,Chan LY

更新日期：2007-01-01 00:00:00

abstract：:Time of flight secondary ion mass spectroscopy has been used to study the metal distribution at the soil/root interface of tree roots extracted from smelter-impacted soils. The results, augmented by scanning electron microscopy, show that the technique is capable of resolving metal distributions at the cellular level....

journal_title：Chemosphere

authors： Martin RR,Naftel SJ,Macfie S,Skinner W,Courchesne F,Séguin V

更新日期：2004-02-01 00:00:00

abstract：:Agriculture in northern Iraq (Kurdistan) relies on the widespread use of pesticides to promote crop performance. Over-application of many pesticides is commonplace, however, and may compromise soil and water quality, and ultimately human health, within the region. The aim of this study was to investigate the sorption-...

journal_title：Chemosphere

authors： Shareef K,Shaw G

更新日期：2008-05-01 00:00:00

abstract：:An approximately four months long glasshouse experiment was conducted to examine the effects of elevated carbon dioxide (CO(2)) concentration (1,000 +/- 50 micromol mol(-1)) in the atmosphere on biomass accumulation and allocation pattern, clonal growth and nitrogen (N), phosphorus (P) accumulation by the submerged pl...

journal_title：Chemosphere

authors： Yan X,Yu D,Li YK

更新日期：2006-01-01 00:00:00

abstract：:Ionic liquids (ILs) are often claimed to be "environmentally friendly" compounds however, the knowledge of their potential toxicity towards different organisms and trophic levels is still limited, in particular when protic ionic liquids (PILs) are addressed. This study aims to evaluate the toxicity against various mic...

journal_title：Chemosphere

authors： Oliveira MV,Vidal BT,Melo CM,de Miranda Rde C,Soares CM,Coutinho JA,Ventura SP,Mattedi S,Lima ÁS

更新日期：2016-03-01 00:00:00

abstract：:Regardless of the country or region of the world, poultry eggs are one of the most important components of the human diet. Nutritional value is derived from them, but chicken eggs can be contaminated with POPs. The aim of the study was to compare the impact of different types of chicken husbandry system on bioaccumula...

journal_title：Chemosphere

authors： Pajurek M,Pietron W,Maszewski S,Mikolajczyk S,Piskorska-Pliszczynska J

更新日期：2019-05-01 00:00:00

abstract：:The objective of the present study was firstly acute toxicity bioassay of arsenic on common carp (Cyprinus carpio) and then the development of natural sorbent beds (clinoptilolite and pumice) to reduce bioconcentration of arsenic in muscle tissue were considered in comparative evaluation. In this regard, the acute tox...

journal_title：Chemosphere

authors： Ghadersarbazi Z,Ghiasi F,Ghorbani F,Johari SA

更新日期：2019-06-01 00:00:00

abstract：:Outdoor pot experiments with various paddy soils representing five soil types were conducted at Nanjing Agricultural University during the 2000 and 2001 rice-growing seasons. Eighteen soils and ten out of the eighteen soils were involved in the 2000 and the 2001 experiment, respectively. Two treatments were designed a...

journal_title：Chemosphere

authors： Jiao Y,Huang Y,Zong L,Zheng X,Sass RL

更新日期：2005-01-01 00:00:00

abstract：:While molecular weight distribution (MWD) is one of the most important properties of soluble microbial products (SMPs), mechanisms underlying effects of MWD of SMPs on membrane fouling have not well unveiled. In this study, it was found that, the supernatant of sludge suspension in a membrane bioreactor (MBR) for wast...

journal_title：Chemosphere

authors： Teng J,Shen L,Xu Y,Chen Y,Wu XL,He Y,Chen J,Lin H

更新日期：2020-06-01 00:00:00

abstract：:Bioremediation with microorganisms is a promising technique for heavy metal contaminated soil. Rhodobacter sphaeroides was previously isolated from oil field injection water and used for bioremediation of lead (Pb) contaminated soil in the present study. Based on the investigation of the optimum culturing conditions a...

journal_title：Chemosphere

authors： Li X,Peng W,Jia Y,Lu L,Fan W

更新日期：2016-08-01 00:00:00