Stereoselective quantitation of haloxyfop in environment samples and enantioselective degradation in soils.

abstract：:Trifloxystrobin (TFS) is the widely used strobilurin fungicide. However, little information is so far available regarding the uptake kinetics and developmental toxicity of TFS to fish. The present study was conducted to investigate the uptake kinetics, potential environment risk and toxicity of TFS on Gobiocypris raru...

journal_title：Chemosphere

authors： Zhu B,Liu GL,Liu L,Ling F,Wang GX

更新日期：2015-02-01 00:00:00

abstract：:Supercritical water oxidation (SCWO) of 15 aromatic compounds, including bisphenol A (BPA), nonylphenol (NP) and octylphenol (OP), was investigated under temperature and reaction time ranged of 350-550 °C and 0.5-6 min, respectively, with 300% excess oxygen, resulted in the degradation rate constants of total organic ...

journal_title：Chemosphere

authors： Yang B,Cheng Z,Gao X,Yuan T,Shen Z

更新日期：2019-03-01 00:00:00

abstract：:This study principally focused on a new kind of photochemical reaction catalyst: porphyrin and phthalocyanine complexes. In a first step, the preparation of the catalysts was optimized. A resin has been chosen to be the support of the complexes. Efficiency of catalytic activity is performed on the degradation of a pes...

journal_title：Chemosphere

authors： Héquet V,Le Cloirec P,Gonzalez C,Meunier B

更新日期：2000-08-01 00:00:00

abstract：:Single-wall carbon nanotubes (SWNTs) are projected to increase in usage across many industries. Two studies were conducted using Zea L. (corn) seeds exposed to SWNT spiked soil for 40 d. In Study 1, corn was exposed to various SWNT concentrations (0, 10, and 100 mg/kg) with different functionalities (non-functionalize...

journal_title：Chemosphere

authors： Cano AM,Kohl K,Deleon S,Payton P,Irin F,Saed M,Shah SA,Green MJ,Cañas-Carrell JE

更新日期：2016-06-01 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：:Arsenic and nickel are common contaminants that usually co-exist in many contaminated natural and mining environments. More research on the interaction of these two contaminants is needed such as their coordination structure and occurrence state at mineral-water interfaces. In this study, we investigated the structure...

journal_title：Chemosphere

authors： Wang C,Cui Y,Zhang J,Gomez M,Wang S,Jia Y

更新日期：2018-09-01 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：:Perfluorooctane sulfonate (PFOS), as one of emerging contaminants, has been attracting increasing concerns in recent years. Sorption of PFOS by maize straw- and willow-derived chars (M400 and W400), maize straw-origin ash (MA) as well as three carbon nanotubes (CNTs) was studied in this work. The sorption kinetics of ...

journal_title：Chemosphere

authors： Chen X,Xia X,Wang X,Qiao J,Chen H

更新日期：2011-05-01 00:00:00

abstract：:Sediments were collected from areas that were going to be dredged located at six small Greek ports, as well as from possible disposal areas. In order to assess the contamination level of dredged material, the samples were analysed for pH, organic matter, the metals Cd, Pb, Hg, Cr, Ni, Cu, Zn and major organic compound...

journal_title：Chemosphere

authors： Leotsinidis M,Sazakli E

更新日期：2008-06-01 00:00:00

abstract：:A decline in the availability of fossil fuel resources coupled with deleterious environmental concerns has prompted further research into biofuels. Conventional bioethanol production via a first-generation approach may soon become superseded through integration with lignocellulosic feedstocks. However, the underlying ...

journal_title：Chemosphere

authors： Cooper J,Kavanagh J,Razmjou A,Chen V,Leslie G

更新日期：2020-02-01 00:00:00

abstract：:Norfloxacin is a synthetic antibiotics drug which is widely used in the treatment of infectious diseases and also often carelessly released into natural environment resulting in antibiotics-contaminated wastewater. In this work, we employed atmospheric-pressure non-thermal dielectric barrier discharge (DBD) to treat n...

journal_title：Chemosphere

authors： Zhang Q,Zhang H,Zhang Q,Huang Q

更新日期：2018-11-01 00:00:00

abstract：:In the present study, three kinds of biopolymers, PHBV, PHBV/starch and PHBV/bamboo powder (BP) blends were used as carbon source and biofilm carriers for denitrification in packed bed reactors to remove nitrate from groundwater. Results showed that a fast start-up was obtained in bioreactors filled with both PHBV/Sta...

journal_title：Chemosphere

authors： Chu L,Wang J

更新日期：2016-07-01 00:00:00

abstract：:Advanced dewatering technologies with moisture content from nearly 80% to below 60% have attracted widespread attention in the field of municipal dewatered sludge disposal. The usage of the correct types of oxidants and the degradation of key component on the effect of secondary advanced dewatering performance is a ri...

journal_title：Chemosphere

authors： Lin N,Zhu W,Fan X,Wang C,Chen C,Zhang H,Chen L,Wu S,Cui Y

更新日期：2020-06-01 00:00:00

abstract：:Here we demonstrated an alternative partial reduction graphene oxide/metal-organic frameworks nano-scale laminated membrane for dyes and heavy metal ions removal at low pressure. Compared with pure prGO membranes, the novel UiO-66-(COOH)2/prGO membranes with loose structure and excellent selective permeability demonst...

journal_title：Chemosphere

authors： Zhang P,Gong JL,Zeng GM,Song B,Liu HY,Huan SY,Li J

更新日期：2018-08-01 00:00:00

abstract：:Manipulative field studies are useful for investigating cause-effect relationships between contamination and benthic community health. However, there are many challenges for creating environmentally relevant exposures and determining what measurements are necessary to correctly interpret the results. This study descri...

journal_title：Chemosphere

authors： Hill NA,Johnston EL,King CK,Simpson SL

更新日期：2011-04-01 00:00:00

abstract：:To study the time trend of PCDD, PCDF and dl-PCB levels in the muscle of herring from the Western Baltic Sea, samples were collected in 2006 at the same fishing locations as in 1999. The results demonstrated no obvious change in contamination levels based on content in fat during the last 7 years. The site-dependent i...

journal_title：Chemosphere

authors： Karl H,Bladt A,Rottler H,Ludwigs R,Mathar W

更新日期：2010-01-01 00:00:00

abstract：:The primary source of dioxins (PCDDs), dibenzofurans (PCDFs) and coplanar PCBs for the general population is food, especially meat, fish, and dairy products. However, most data on the levels of these chemicals is from food in the raw or uncooked state. We report here the effect of one type of cooking (broiling) on the...

journal_title：Chemosphere

authors： Schecter A,Dellarco M,Päpke O,Olson J

更新日期：1998-10-01 00:00:00

abstract：:The logarithmic n-octanol/water partition coefficient (logK(ow)) is a very important property which concerns water-solubility, bioconcentration factor, toxicity and soil absorption coefficient of organic compounds. Quantitative structure-property relationship (QSPR) model for logK(ow) of 133 polychlorinated biphenyls ...

journal_title：Chemosphere

authors： Lü W,Chen Y,Liu M,Chen X,Hu Z

更新日期：2007-09-01 00:00:00

abstract：:The Microtox bioassay was used to establish dose-response curves for some toxic elements in aqueous solutions, namely, Zn(II), Pb(II), Cu(II), Hg(II), Ag(I), Co(II), Cd(II), Cr(VI), As(V) and As(III). Experiments were carried out at either pH 6.0 or pH 7.0 to indicate that pH may influence the measured toxicity of som...

journal_title：Chemosphere

authors： Fulladosa E,Murat JC,Martínez M,Villaescusa I

更新日期：2005-06-01 00:00:00

abstract：:Various sole and mixed electron donors were tested to promote the denitrification rate and nitrate removal efficiency in biofilter systems with high phosphate and ammonia removal efficiency (92.6% and 95.3% respectively). Compared to sole electron donors, complex organic carbon (bits of wood and straw) substantially i...

journal_title：Chemosphere

authors： Deng Q,Wan L,Li X,Cao X,Zhou Y,Song C

更新日期：2020-10-01 00:00:00

abstract：:Due to the growing concern of highly contaminated landfill leachate problems in Taiwan, an innovative advanced catalytic oxidation (FeGAC/H(2)O(2)) process was developed and employed in this research to treat the landfill leachate from central Taiwan. Experimental results indicated that the FeGAC/H(2)O(2) process coul...

journal_title：Chemosphere

authors： Fan HJ,Chen IW,Lee MH,Chiu T

更新日期：2007-04-01 00:00:00

abstract：:The accumulation of the platinum group elements (PGEs), Pd, Pt, Rh, and other heavy metals (Cd, Cr, Cu, Mn, Ni, Pb, Zn) in the wood mouse Apodemus sylvaticus was investigated in relation to environmental availability, comparing levels in the commonly used target tissues, the liver and kidney, to hair responses. In par...

journal_title：Chemosphere

authors： Marcheselli M,Sala L,Mauri M

更新日期：2010-09-01 00:00:00

abstract：:The production of cyanobacterial toxins microcystins (MCs) by cyanobacterial bloom which may promote the growth of tumor in human liver is a growing environmental problem worldwide. In this paper, the adsorption of MC-RR and LR, which were extracted from cyanobacterial cells in Dianchi Lake in China, by carbon nanotub...

journal_title：Chemosphere

authors： Yan H,Gong A,He H,Zhou J,Wei Y,Lv L

更新日期：2006-01-01 00:00:00

abstract：:Cimetidine is a histamine H2-receptor antagonist used for treatment of gastrointestinal disorders. It is often detected in aquatic environments, but its ecotoxicological effects have not been well studied. Thus, ecotoxicity of cimetidine was evaluated using Daphnia magna and Moina macrocopa, and zebrafish (Danio rerio...

journal_title：Chemosphere

authors： Lee S,Jung D,Kho Y,Ji K,Kim P,Ahn B,Choi K

更新日期：2015-09-01 00:00:00

abstract：:In this study the black worm Lumbriculus variegatus was tested for suitability as biomonitor for moderately contaminated sediments. The response capacity of the biotransformation system phase II enzyme glutathione-S-transferase (GST) and the oxidative defense enzyme catalase (CAT) to contaminated sediment and atrazine...

journal_title：Chemosphere

authors： Contardo-Jara V,Wiegand C

更新日期：2008-02-01 00:00:00

abstract：:A large number of emerging contaminants (ECs) are known to persist in surface waters, and create pressure on wastewater treatment works (WWTW) for their effective removal. Although a large database for the levels of these pollutants in water systems exist globally, there is still a lack in the correlation of the level...

journal_title：Chemosphere

authors： Archer E,Petrie B,Kasprzyk-Hordern B,Wolfaardt GM

更新日期：2017-05-01 00:00:00

abstract：:Roundup Original® (RD) is a glyphosate-based herbicide used to control weeds in agriculture. Contamination of Amazon waters has increased as a consequence of anthropogenic pressure, including the use of herbicides as RD. The central goal of this study was to evaluate the toxic effects of RD on juveniles of tambaqui (C...

journal_title：Chemosphere

authors： Braz-Mota S,Sadauskas-Henrique H,Duarte RM,Val AL,Almeida-Val VM

更新日期：2015-09-01 00:00:00

abstract：:Previously, we found that Epirrita autumnata larvae, which were fed with leaves that came from a metal polluted area, had an enhanced immune function. To investigate further the cause of the enhanced immunity we examined experimentally the direct influence of the heavy metals, copper and nickel, on the immune function...

journal_title：Chemosphere

authors： van Ooik T,Pausio S,Rantala MJ

更新日期：2008-05-01 00:00:00

abstract：:The metabolic thermogenesis curves of mitochondria isolated from Oryctolagus cuniculus domestica liver tissue have been determined by using an LKB-2277 bioactivity monitor. After isolation, mitochondria maintain activity when stored in appropriate nutrients. The thermokinetic equation: [formula: see text] was establis...

journal_title：Chemosphere

authors： Liu Y,Wang XQ,Xie CL,Qu SS,Deng FJ,Guo Y

更新日期：1996-07-01 00:00:00

abstract：:In this study, the relevance of photodegradation processes on the persistence of the fungicide thiram in waters was investigated. The photodegradation of thiram in Milli-Q water and in aqueous solutions of humic and fulvic acids, as well as the photodegradation in spiked river water were studied. Both pure thiram and ...

journal_title：Chemosphere

authors： Filipe OM,Santos SA,Domingues MR,Vidal MM,Silvestre AJ,Neto CP,Santos EB

更新日期：2013-05-01 00:00:00