Bioconcentration of ionic cadmium and cadmium selenide quantum dots in zebrafish larvae.

abstract：:The use of polybrominated diphenyl ethers (PBDEs) as flame retardants in Singapore is not strictly regulated; therefore these compounds can be readily found in furniture, electronic devices, and building materials. This study was the first of its kind to be conducted in Singapore to measure concentrations of PBDEs in ...

journal_title：Chemosphere

authors： Tan J,Cheng SM,Loganath A,Chong YS,Obbard JP

更新日期：2007-01-01 00:00:00

abstract：:A comprehensive study of ozone mini-holes over the mid-latitudes of both hemispheres is presented, based on model simulations with the coupled climate-chemistry model ECHAM4.L39(DLR)/CHEM representing atmospheric conditions in 1960, 1980, 1990 and 2015. Ozone mini-holes are synoptic-scale regions of strongly reduced t...

journal_title：Chemosphere

authors： Stenke A,Grewe V

更新日期：2003-01-01 00:00:00

abstract：:There are 10 manufacturers who produce fossil fuel products in the Da-Hse Industrial District, Kaohsiung County, southwestern Taiwan. Before discharging the wastewater into the nearby aquatic environment, the pretreated wastewater from these manufacturers must be processed in a treatment plant which includes four majo...

journal_title：Chemosphere

authors： Chen FA,Shue MF,Chen TC

更新日期：2004-06-01 00:00:00

abstract：:Polycyclic aromatic hydrocarbons (PAHs) are with great environmental concerns due to their toxic, mutagenic, and carcinogenic properties. The harmful effects caused by PAHs emitted from indoor sources may be more direct and serious. In this study, PAHs in aerosol from two typical indoor sources, the cooking fume (CF) ...

journal_title：Chemosphere

authors： Zhang L,Bai Z,You Y,Wu J,Feng Y,Zhu T

更新日期：2009-04-01 00:00:00

abstract：:Contamination of surface waters by pesticides continues to be the focus of concern for water authorities due to the growing evidence of their deleterious effects on aquatic life. In this context, the present work investigates the occurrence of 16 selected pesticides belonging to the classes of triazines, phenylureas, ...

journal_title：Chemosphere

authors： Köck-Schulmeyer M,Ginebreda A,González S,Cortina JL,de Alda ML,Barceló D

更新日期：2012-01-01 00:00:00

abstract：:An in vitro method that simulated the physiological conditions of the digestive process was applied to samples taken from an old mining site, providing information on the levels of metals (Cd, Pb and As) that can be ingested and assimilated by humans. Samples were first characterized by determining pH, texture, minera...

journal_title：Chemosphere

authors： Navarro MC,Pérez-Sirvent C,Martínez-Sánchez MJ,Vidal J,Marimón J

更新日期：2006-04-01 00:00:00

abstract：:We studied the susceptibility of three genetically different strains of the cyclical parthenogen Daphnia magna (Cladocera, Crustacea) in producing male neonates following exposure to juvenile hormone analogs. In experiment 1, NIES, Clone A, and Belgium A strains were exposed to the insect growth regulators (IGRs) feno...

journal_title：Chemosphere

authors： Oda S,Tatarazako N,Watanabe H,Morita M,Iguchi T

更新日期：2006-06-01 00:00:00

abstract：:This present study reports that reactive oxygen species (ROS), which mainly consist of hydroxyl (OH) and superoxide (O2(-)) radicals generated by the photocatalysis of TiO2 nanoparticles (TiO2 NPs) in suspension, can be quantitatively measured by the colorimetric probe-assisted spectrometric method without any interfe...

journal_title：Chemosphere

authors： Kim C,Park HJ,Cha S,Yoon J

更新日期：2013-11-01 00:00:00

abstract：:Vitellogenin (VTG), a well-established biomarker for the diagnosis of endocrine activity in fish, is used in multiple OECD test guidelines (TG) to identify activities of chemicals on hormonal pathways. However, the synthesis of VTG may not only be modified by typical endocrine-related pathways, but also through non-en...

journal_title：Chemosphere

authors： Baumann L,Holbech H,Schmidt-Posthaus H,Moissl AP,Hennies M,Tiedemann J,Weltje L,Segner H,Braunbeck T

更新日期：2020-01-01 00:00:00

abstract：:Eleven species of Neotropical migrant passerines collected in Illinois (USA) during May 1996, were analyzed for the presence of organochlorine (OC) pesticides. At least one of five OC pesticide residues was detected in 66 of 72 birds, representing all species examined. The contaminants most frequently detected were p,...

journal_title：Chemosphere

authors： Klemens JA,Harper RG,Frick JA,Capparella AP,Richardson HB,Coffey MJ

更新日期：2000-10-01 00:00:00

abstract：:The Environmental Specimen Bank has proposed a list of matrices recommended for collection from terrestrial and marine areas as well as from inland waterbodies. There have been taken into consideration the most common and available species, chiefly in western Europe. Poland is making ready for co-operation with ESB to...

journal_title：Chemosphere

authors： Golimowski J,Dmowski K

更新日期：1997-05-01 00:00:00

abstract：:Amino-decorated Zr-based magnetic Metal-Organic Frameworks composites (Zr-MFCs) were prepared by a facile and efficient strategy. The nano-sized Fe3O4@SiO2 core (about 15 nm) was coated with a shell of Zr-MOFs (about 5 nm) by means of in-situ growth. And, Fe3O4@SiO2@UiO-66 and its amino derivatives (Fe3O4@SiO2@UiO-66-...

journal_title：Chemosphere

authors： Huang L,He M,Chen B,Hu B

更新日期：2018-05-01 00:00:00

abstract：:This paper presents the results of investigations on the suitability of lugworms (Arenicola marina) to study the bioaccumulation potential of Hg, PCB and PAH compounds from dredged sediments upon laboratory exposure. The results of tissue concentrations for several sediments from Spanish ports showed that it is possib...

journal_title：Chemosphere

authors： Casado-Martínez MC,Branco V,Vale C,Ferreira AM,Delvalls TA

更新日期：2008-02-01 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：:This paper analyzes the detoxification mechanisms adopted by amino- and organic acids to alleviate Cd toxicity. In addition, with our published data on Zn-Cd interactions, the influence of Zn (200 microM) supplements on the detoxification mechanisms of amino- and organic acids have also been studied. The experimental ...

journal_title：Chemosphere

authors： Aravind P,Prasad MN

更新日期：2005-12-01 00:00:00

abstract：:The present study was conducted in order to investigate pro-oxidant activity of dimethoate in liver and brain tissues following sublethal pesticide exposure for 5, 15 and 30 d by using SOD, GPx, CAT enzyme activities and lipid peroxidation as biomarkers as well as DNA damaging potential via detecting% Tail DNA, Tail m...

journal_title：Chemosphere

authors： Dogan D,Can C,Kocyigit A,Dikilitas M,Taskin A,Bilinc H

更新日期：2011-06-01 00:00:00

abstract：:The national 'Shandong Peninsula Blue Economic Zone Development Plan' compels the further understanding of the distribution and potential risk of metals pollution in the east coast of China, where the rapid economic and urban development have been taken off and metal pollution has become a noticeable problem. Surface ...

journal_title：Chemosphere

authors： Huang L,Pu X,Pan JF,Wang B

更新日期：2013-11-01 00:00:00

abstract：:Biochar pyrolysed at 300 °C, 500 °C, 700 °C was modified by hydrochloric acid (HCl), hydrofluoric acid (HF), sodium hydroxide (NaOH), hydrogen peroxide (H2O2), nitric acid (HNO3) and potassium permanganate (KMnO4), and subsequently evaluated for removal efficiency of 1,2,4-trichlorobenzene (1,2,4-TCB) by biochar suppo...

journal_title：Chemosphere

authors： Shang X,Yang L,Ouyang D,Zhang B,Zhang W,Gu M,Li J,Chen M,Huang L,Qian L

更新日期：2020-06-01 00:00:00

abstract：:This study shows the design, synthesis and evaluation of eco(phyto)toxic and herbicidal activities of quaternary ammonium salts (QASs), derived from haloacetic acids, in context of the search for safer alternatives to the commonly used herbicide, N-(phosphonomethyl)glycine (glyphosate). The structure of the investigat...

journal_title：Chemosphere

authors： Turek M,Biczak R,Pawłowska B,Różycka-Sokołowska E,Marciniak B,Deska M,Skalik J,Bałczewski P

更新日期：2018-03-01 00:00:00

abstract：:The Langmuir isotherm, originally derived for the adsorption of gas molecules on solid surfaces, was modified to fit the adsorption isotherm of solutes onto solid surfaces in solution systems. The aim of this modification is based on the fact that direct application of the Langmuir isotherm to solution systems often l...

journal_title：Chemosphere

authors： Sohn S,Kim D

更新日期：2005-01-01 00:00:00

abstract：:A growing body of evidence suggests that aquatic plants can mitigate the toxicity of insecticides to sensitive aquatic animals. The current paradigm is that this ability is driven primarily by insecticide sorption to plant tissues, especially for hydrophobic compounds. However, recent work shows that submerged plants ...

journal_title：Chemosphere

authors： Brogan WR 3rd,Relyea RA

更新日期：2014-08-01 00:00:00

abstract：:Silver (Ag) ions are among the most toxic metallic ions to aquatic biota. In southern Argentina, fish from Patagonian lakes have liver Ag concentrations [Ag] among the highest ever reported globally. Silver concentration in phytoplankton from Lake Moreno (1.82±3.00μgg(-1) dry weight, DW) was found to be significantly ...

journal_title：Chemosphere

authors： Revenga JE,Campbell LM,Kyser K,Klassen K,Arribére MA,Ribeiro Guevara S

更新日期：2011-04-01 00:00:00

abstract：:The emission rates and compositions of monoterpene from Pinus densiflora were investigated in the Gumsung (GM) and Worak (WM) mountains. The standard emission rates (ERs: ERs is the monoterpene emission rate at standard temperature, 30 degrees C) from P. densiflora ranged from 0.817 to 1.704 (microgC/gdw-h). The ERs a...

journal_title：Chemosphere

authors： Lim JH,Kim JC,Kim KJ,Son YS,Sunwoo Y,Han JS

更新日期：2008-09-01 00:00:00

abstract：:The purpose of this study was to evaluate photodegradabilities of the following new low-nitrogen chelating agents: N-bis[(carboxymethoxy)ethyl]glycine (compound 1), N-bis[(1,2-dicarboxyethoxy)ethyl]glycine (compound 2) and N-bis[(1,2-dicarboxyethoxy)ethyl]aspartic acid (compound 3). At first photodegradation of these ...

journal_title：Chemosphere

authors： Metsärinne S,Peltonen P,Aksela R,Tuhkanen T

更新日期：2004-09-01 00:00:00

abstract：:In the past few decades, environmental pollutants have become common because of misused nonionic surfactants and detergents. Nonylphenol ethoxylates (NPs) are one of the most important contaminants of water. Therefore, the present study aimed to investigate the protective blocking effect of apoptosis (deficient P53 ge...

journal_title：Chemosphere

authors： Sayed AEH,Kotb AM,Oda S,Kashiwada S,Mitani H

更新日期：2019-12-01 00:00:00

abstract：:Mercury (Hg) and cadmium (Cd) in the atmosphere from coal combustion emissions play an important role in soil pollution. Therefore, the purposes of this study were to quantitatively evaluate the atmospheric Hg and Cd deposition and to determine the influence of atmospheric deposition on Hg and Cd contents in surface s...

journal_title：Chemosphere

authors： Liang J,Feng C,Zeng G,Zhong M,Gao X,Li X,He X,Li X,Fang Y,Mo D

更新日期：2017-12-01 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：:Polybrominated diphenyl ethers (PBDEs) concentrations and congener profiles were evaluated in four species of Antarctic fish (Chionodraco hamatus, Chaempsocephalus gunnari, Gymnoscopelus nicholsi,Trematomus eulepidotes) and in one Mediterranean species (Tuna, Thunnus thynnus). The GC/MS-ECNI analysis revealed that ave...

journal_title：Chemosphere

authors： Borghesi N,Corsolini S,Leonards P,Brandsma S,de Boer J,Focardi S

更新日期：2009-10-01 00:00:00

abstract：:Rhizosphere bioremediation of polychlorinated biphenyls (PCBs) offers a potentially inexpensive approach to remediating contaminated soils that is particularly attractive in remote regions including the Arctic. We assessed the abilities of two tree species native to Alaska, Salix alaxensis (felt-leaf willow) and Picea...

journal_title：Chemosphere

authors： Slater H,Gouin T,Leigh MB

更新日期：2011-06-01 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