Highly organic natural media as permeable reactive barriers: TCE partitioning and anaerobic degradation profile in eucalyptus mulch and compost.

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：:Numerous indices have been developed to assess environmental risk of heavy metals in surface sediments, including the total content based geoaccumulation index (I(geo)), exchangeable fraction based risk assessment code (RAC), and biological toxicity test based sediment quality guidelines (SQGs). In this study, the thr...

journal_title：Chemosphere

authors： Yu GB,Liu Y,Yu S,Wu SC,Leung AO,Luo XS,Xu B,Li HB,Wong MH

更新日期：2011-10-01 00:00:00

abstract：:Strobilurins is the most widely used class of fungicides, but is reported highly toxic to some aquatic organisms. In this study, zebrafish embryos were exposed to a range concentrations of three strobilurins (pyraclostrobin, trifloxystrobin and picoxystrobin) for 96 h post-fertilization (hpf) to assess their aquatic t...

journal_title：Chemosphere

authors： Li H,Cao F,Zhao F,Yang Y,Teng M,Wang C,Qiu L

更新日期：2018-09-01 00:00:00

abstract：:In this study, we investigated the impact of intensive aeration pre-treatment on nutrient contents and phytotoxicity of anaerobically digested manure centrate. Activated sludge from conventional wastewater treatment plants was added to reinforce the aeration process. Results show that the addition of activated sludge ...

journal_title：Chemosphere

authors： Luo W,Zhang B,Bi Y,Li G,Sun Q

更新日期：2018-07-01 00:00:00

abstract：:The fluorescence excitation-emission matrix properties of 25 dissolved organic matter samples from three rivers and one lake are analysed. All sites are sampled in duplicate, and the 25 samples include ten taken from the lake site, and nine from one of the rivers, to cover variations in dissolved organic matter compos...

journal_title：Chemosphere

authors： Baker A,Tipping E,Thacker SA,Gondar D

更新日期：2008-12-01 00:00:00

abstract：:Both pilot and laboratory scale experiments are conducted to compare the effect of ozone and permanganate preoxidation on algae removal by alum coagulation. Both appropriately dosed preoxidants are shown to be beneficial to algae coagulation removal. This may be attributed to a decrease in cell stability; however, ove...

journal_title：Chemosphere

authors： Chen JJ,Yeh HH,Tseng IC

更新日期：2009-02-01 00:00:00

abstract：:To gain systematic technology for long-chain dicarboxylic acids (LDCA) manufacturing wastewater treatment, catalytic micro-electrolysis (CME) coupling with adsorption-biodegradation sludge (AB) process was studied. Firstly, novel catalytic-ceramic-filler was prepared from scrap iron, clay and copper sulfate solution a...

journal_title：Chemosphere

authors： Wu S,Qi Y,Fan C,He S,Dai B,Huang J,Zhou W,Gao L

更新日期：2016-02-01 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 Siam weed, Chromolaena odorata (L.) King & Robinson, Family Asteraceae, was found to be a new Pb hyperaccumulator by means of field surveys on Pb soil and hydroponic studies. Plants from field collection accumulated 1377 and 4236mgkg(-1) Pb in their shoots and roots, respectively, and could tolerate soil Pb concen...

journal_title：Chemosphere

authors： Tanhan P,Kruatrachue M,Pokethitiyook P,Chaiyarat R

更新日期：2007-06-01 00:00:00

abstract：:The aim of the study was to develop quantitative structure-activity relationships (QSARs) for a large group of 77 aromatic aldehydes tested for acute toxicity to the ciliate Tetrahymena pyriformis using mechanistically interpretable descriptors. The resulting QSARs revealed that the 1-octanol/water partition coefficie...

journal_title：Chemosphere

authors： Netzeva TI,Schultz TW

更新日期：2005-12-01 00:00:00

abstract：:Four different metal-contaminated calcareous soil types, Carbonati-Perudic Cambosols (CPC), Fe-accumuli-Stagnic Anthrosols (FSA), Ochri-Aquic Cambosols (OAC) and Calci-Orthic Aridosols (COA), were investigated. The acid buffering capacity and metal-releasing behaviors of the soils were explored using an acid extractio...

journal_title：Chemosphere

authors： Wang Z,Jia M,Li Z,Liu H,Christie P,Wu L

更新日期：2020-10-01 00:00:00

abstract：:The study aimed to evaluate the physiological mechanisms underlying differences in metals and metalloid uptake and tolerance of two tree species cultivated in mining waste material. Two-year old Acer platanoides L. and Tilia cordata Mill. were cultivated in mining sludge characterized by high pH, salinity and an extre...

journal_title：Chemosphere

authors： Drzewiecka K,Piechalak A,Goliński P,Gąsecka M,Magdziak Z,Szostek M,Budzyńska S,Niedzielski P,Mleczek M

更新日期：2019-08-01 00:00:00

abstract：:In our previous study, electron paramagnetic resonance (EPR) evidence of reactive oxygen species (ROS) production in Carassius auratus following 2-chlorophenol (2-CP) administration was provided. To further investigate the potential pathway of ROS production, liver mitochondria of C. auratus was isolated and incubated...

journal_title：Chemosphere

authors： Luo Y,Sui YX,Wang XR,Tian Y

更新日期：2008-04-01 00:00:00

abstract：:The occurrence of oocytes in the testis (testis-ova) of several fish species is often associated with exposure of estrogenic chemicals. However, induction mechanisms of the testis-ova remain to be elucidated. To develop marker genes for detecting testis-ova in the testis, adult male medaka were exposed to nominal conc...

journal_title：Chemosphere

authors： Hirakawa I,Miyagawa S,Katsu Y,Kagami Y,Tatarazako N,Kobayashi T,Kusano T,Mizutani T,Ogino Y,Takeuchi T,Ohta Y,Iguchi T

更新日期：2012-05-01 00:00:00

abstract：:The recovery of phosphorus from sewage sludge was critical due to the depletion of phosphate ore. The present research aims to identify the phosphorus speciation and reveal the phosphorus transformation mechanism of dewatered sewage sludge during hydrothermal conversion (HTC) process, as well as to achieve the high ef...

journal_title：Chemosphere

authors： Shi Y,Luo G,Rao Y,Chen H,Zhang S

更新日期：2019-08-01 00:00:00

abstract：:One lab-scale biofilter that simultaneously removes Fe, Mn and ammonia from 4 °C groundwater was established to investigate the nitrogen conversion process. The results showed that 333 days were needed to achieve the required standards for Fe, Mn and ammonia under a filtration rate of 3 m/h. Effluent nitrite concentra...

journal_title：Chemosphere

authors： Yang H,Li D,Zeng H,Zhang J

更新日期：2019-05-01 00:00:00

abstract：:The effects of water-saving patterns (Semi-dry water-saving, B; Shallow-wet control irrigation, Q; Traditional flooding irrigation, C; and Moistening irrigation, S) on the environmental fate of phenanthrene (Phe) and microbial responses in rhizosphere were investigated in paddy field system. Results showed the rice gr...

journal_title：Chemosphere

authors： Zhao Z,Xia L,Qin Z,Cao J,Omer Mohammed AA,Toland H

更新日期：2020-10-27 00:00:00

abstract：:The online biomonitoring of aquatic accidental pollution is very important to realize the assessment of complex toxicity. However, the monitoring results would be affected greatly by the internal physio-ecological changes of test organisms, and circadian rhythms might contribute greatly to this kind of effects. In the...

journal_title：Chemosphere

authors： Zhao R,Hu Y,Li B,Chen M,Ren Z

更新日期：2020-01-01 00:00:00

abstract：:Acidic aqueous solutions of clofibric acid (2-(4-chlorophenoxy)-2-methylpropionic acid), the bioactive metabolite of various lipid-regulating drugs, have been degraded by indirect electrooxidation methods such as electro-Fenton and photoelectro-Fenton with Fe(2+) as catalyst using an undivided electrolytic cell with a...

journal_title：Chemosphere

authors： Sirés I,Arias C,Cabot PL,Centellas F,Garrido JA,Rodríguez RM,Brillas E

更新日期：2007-01-01 00:00:00

abstract：:In this study, a facile and effective route to prepare hybrid photocatalysts (paper-TiO2, paper-TiO2-AgBr and paper-AgBr-TiO2) has been reported. The preparation procedure consisted of the direct adsorption of the previously synthesized titania nanoparticles (TiO2 sol) to generate the TiO2 nanosphere and the immersion...

journal_title：Chemosphere

authors： Sboui M,Cortés-Reyes M,Swaminathan M,Alemany LJ

更新日期：2020-10-22 00:00:00

abstract：:Measurements of airbone radionuclides (7)Be and gross beta (Aβ) jointly with atmospheric aerosols, i.e. particulate matter (PM) were routinely carried out for 10 years (2004-2014) at the University of the Balearic Islands, Spain. A total of 728 filter (0.8 μm pore size) samples were collected, and in all of them (7)Be...

journal_title：Chemosphere

authors： Rodas Ceballos M,Borràs A,Gomila E,Estela JM,Cerdà V,Ferrer L

更新日期：2016-06-01 00:00:00

abstract：:In this study, we examined the influence of oxygen on the degradation of di (2-ethylhexyl) phthalate (DEHP), the accumulation of its monoester metabolite mono (2-ethylhexyl) phthalate (MEHP) and their impact on soil bacterial communities. Soil microcosms artificially contaminated with DEHP (0, 100 and 1000 mg kg-1) we...

journal_title：Chemosphere

authors： Zhu F,Zhu C,Zhou D,Gao J

更新日期：2019-02-01 00:00:00

abstract：:In this study, the concentration of foliar dust and 23 elemental concentrations in foliar dust and foliar tissues were studied using long rows of grand tamarind trees grown in two major roads in Coimbatore, India. Twenty-four sampling sites were chosen and categorized as urban (n = 5), suburban (n = 14), and rural (n ...

journal_title：Chemosphere

authors： Subpiramaniyam S,Boovaragamoorthy GM,Kaliannan T,Krishna K,Hong SC,Yi PI,Jang SH,Suh JM

更新日期：2021-02-01 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：:Based on literature kinetic data, it is shown that the photochemical transformation of cycloxydim (CXD) in surface waters would mainly occur by direct photolysis. Reaction of CXD with (1)O2 and with the triplet states of chromophoric dissolved organic matter would only account for a small fraction (⩽2%) of total photo...

journal_title：Chemosphere

authors： Vione D

更新日期：2014-03-01 00:00:00

abstract：:Decabromodiphenyl ethane (DBDPE) is a novel environmental pollutant that has attracted growing attention. Previous studies have indicated that DBDPE could induce vascular endothelial injury and cardiovascular damage, but the underlying mechanisms are not well understood. This study was designed to examine the mechanis...

journal_title：Chemosphere

authors： Zheng D,Shi Z,Yang M,Liang B,Zhou X,Jing L,Sun Z

更新日期：2021-03-01 00:00:00

abstract：:Chlorinated paraffins (CPs) are complex mixtures of persistent contaminants present throughout the aquatic food web. In this study 122 farmed and 11 wild salmon samples were collected over the course of four years (2014-2017). The ratio of short-chain CP and medium-chain CP and the corresponding homologue patterns wer...

journal_title：Chemosphere

authors： Krätschmer K,Schächtele A,Malisch R,Vetter W

更新日期：2019-07-01 00:00:00

abstract：:A study was conducted to evaluate the association between PCBs in residential indoor air and in the serum of older, long time residents of three upper Hudson River communities. Samples of indoor air and of serum were collected from 170 persons 55 to 74 years of age, and analyzed for PCBs using glass capillary gas chro...

journal_title：Chemosphere

authors： Fitzgerald EF,Shrestha S,Palmer PM,Wilson LR,Belanger EE,Gomez MI,Cayo MR,Hwang SA

更新日期：2011-09-01 00:00:00

abstract：:The Microtox(®) test, using the prokaryote Vibrio fischeri, was employed to assess the toxicity of the maize herbicides S-metolachlor, benoxacor, mesotrione and nicosulfuron, and their formulated compounds: Dual Gold Safeneur(®), Callisto(®) and Milagro(®); alone and in mixtures. For each compound we obtained original...

journal_title：Chemosphere

authors： Joly P,Bonnemoy F,Charvy JC,Bohatier J,Mallet C

更新日期：2013-11-01 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