An insight into fractionation, toxicity, mobility and source apportionment of metals in sediments from El Temsah Lake, Suez Canal.

abstract：:Zinc (Zn) and cadmium (Cd) are two closely related chemical elements with very different biological roles in photosynthesis. Zinc plays unique biochemical functions in photosynthesis. Previous studies suggested that in some Zn/Cd hyperaccumulators, many steps in photosynthesis may be Cd tolerant or even Cd stimulated....

journal_title：Chemosphere

authors： Tang L,Yao A,Ming Yuan,Tang Y,Liu J,Liu X,Qiu R

更新日期：2016-12-01 00:00:00

abstract：:Naturally silver nanoparticles (AgNPs) have been widely observed in ore deposits, coal, natural water and soil environment. Identifying the source of these naturally AgNPs could be helpful for the elucidation of the geochemical cycle of Ag+ and AgNPs. This paper presents the formation of AgNPs by reducing Ag+ in the p...

journal_title：Chemosphere

authors： Nie X,Zhu K,Zhao S,Dai Y,Tian H,Sharma VK,Jia H

更新日期：2020-03-01 00:00:00

abstract：:Atmosphere contamination management is one of the most important features in pollution risk management. The worldwide rise in tourism increases apprehension about its probable destructive conservation influence on various aspects of global conservation. One of the principal dangers increased by tourism-based modes of ...

journal_title：Chemosphere

authors： Silva LFO,Pinto D,Neckel A,Oliveira MLS,Sampaio CH

更新日期：2020-09-01 00:00:00

abstract：:Cylindrospermopsin (CYN) is an alkaloid biosynthesized by selected cyanobacteria, the cyto- and genotoxic properties of which have been studied extensively by in vitro and in vivo experimental models. Various studies have separately established the role of uracil, guanidine and hydroxyl groups in CYN-induced toxicity....

journal_title：Chemosphere

authors： Evans DM,Hughes J,Jones LF,Murphy PJ,Falfushynska H,Horyn O,Sokolova IM,Christensen J,Coles SJ,Rzymski P

更新日期：2019-11-01 00:00:00

abstract：:Hydroxylated polybrominated diphenyl ethers (OH-PBDEs) and methoxylated polybrominated diphenyl ethers (MeO-PBDEs) are present in the ecosystem of the Baltic Sea. OH-PBDEs are known to be both natural products from marine environments and metabolites of the anthropogenic polybrominated diphenyl ethers (PBDEs), whereas...

journal_title：Chemosphere

authors： Malmvärn A,Zebühr Y,Kautsky L,Bergman K,Asplund L

更新日期：2008-06-01 00:00:00

abstract：:With the main objective of improving the removal of nitrogen from domestic wastewater and more sustainably, a moving bed and constructed wetland (MBCW) integrated bioreactor was fabricated and evaluated with continuous and intermittent aeration operations. The hybrid system achieves average removal efficiencies up to ...

journal_title：Chemosphere

authors： Lai C,Guo Y,Cai Q,Yang P

更新日期：2020-12-01 00:00:00

abstract：:The occurrence of emerging contaminants in our water resources poses potential threats to the livings. Due to the poor treatment in wastewater management, treatment technologies are needed to effectively remove these products for living organism safety. In this study, Graphene oxide (GO) was tested for the first time ...

journal_title：Chemosphere

authors： Zhu S,Liu YG,Liu SB,Zeng GM,Jiang LH,Tan XF,Zhou L,Zeng W,Li TT,Yang CP

更新日期：2017-07-01 00:00:00

abstract：:Extensive screening analyses of perfluorooctane sulfonate and related perfluorinated compounds (PFCs) in biota samples from all over the world have identified PFCs as global pollutants and have shown their bioaccumulation into higher trophic levels in the food chain. Perfluorooctanoic acid (PFOA) and perfluorooctane s...

journal_title：Chemosphere

authors： Squadrone S,Ciccotelli V,Favaro L,Scanzio T,Prearo M,Abete MC

更新日期：2014-11-01 00:00:00

abstract：:A relative comparison study of mutagenicity in Japanese tap water was conducted for 1993 and 2005 surveys. It intended to assess the effects of advanced water treatment installations to water works, improvement of raw water quality and improvement of residual HOCl concentration controlling. Sampling points (taps) were...

journal_title：Chemosphere

authors： Takanashi H,Kishida M,Nakajima T,Ohki A,Akiba M

更新日期：2011-05-01 00:00:00

abstract：:In the present study, a facile method was used to synthesize the ruthenium and ruthenium oxide (RuO2) nanoparticles (NPs) derived from three different metallosurfactants. Firstly, three metallosurfactants were fabricated i.e. RuCTAC (Bishexadecyltrimethylammonium ruthenium tetrachloride), RuDDA (Bisdodecylamine ruthen...

journal_title：Chemosphere

authors： Dogra V,Kaur G,Kumar R,Kumar S

更新日期：2020-10-19 00:00:00

abstract：:Anthropic pressure negatively affects natural environments. Lead (Pb) is a non-essential highly toxic metal that is present in aquatic ecosystems. Two daphnid species from two different latitudes, the temperate Daphnia magna and the tropical Daphnia similis were used as test-organisms to evaluate a long-term Pb exposu...

journal_title：Chemosphere

authors： Araujo GS,Pavlaki MD,Soares AMVM,Abessa DMS,Loureiro S

更新日期：2019-03-01 00:00:00

abstract：:This paper deals with the derivation of a QSAR for the estimation of: the skin permeation coefficient from aqueous solutions in cm h(-1), the stratum corneum/water partition coefficient. These QSARs enable the estimation of: the aqueous permeation coefficient in cm h(-1), the maximum dermal absorption in mg cm(-2) h(-...

journal_title：Chemosphere

authors： ten Berge W

更新日期：2009-06-01 00:00:00

abstract：:In this study, the complexation of Tb3+ with natural organic matter (NOM) was studied by the method of time-resolved fluorescence spectroscopy. In the presence of NOM, the excitation of Tb3+ was observed in a wide range of wavelengths, for which virtually no excitation of free Tb3+ took place. The pseudo-quantum yield...

journal_title：Chemosphere

authors： Li CW,Korshin GV

更新日期：2002-11-01 00:00:00

abstract：:Sampling points belonging to the Harz National Park river system, Germany, were selected between the period of 2014 and 2017 for monitoring polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) in water, air, and sediment. Triolein-containing Virtual Organisms (...

journal_title：Chemosphere

authors： Pandelova M,Henkelmann B,Lalah JO,Norf H,Schramm KW

更新日期：2021-02-01 00:00:00

abstract：:Spent catalyst bioleaching with Acidithiobacillus ferrooxidans has been widely studied and low Mo leaching has often been reported. This work describes an enhanced extraction of Mo via a two stage sequential process for the bioleaching of hydrodesulphurization spent catalyst containing Molybdenum, Nickel and, Aluminiu...

journal_title：Chemosphere

authors： Vyas S,Ting YP

更新日期：2016-10-01 00:00:00

abstract：:Levels of polychlorinated dibenzo-p-dioxins (PCDD) and polychlorinated dibenzofurans (PCDF) in both air and soil samples were measured at three different sites in Italy, in proximity to three municipal solid waste incinerators (MSWIs) to determine baseline contamination and the contributory role of incinerator emissio...

journal_title：Chemosphere

authors： Caserini S,Cernuschi S,Giugliano M,Grosso M,Lonati G,Mattaini P

更新日期：2004-03-01 00:00:00

abstract：:In this study, the performances and mechanisms of UV/ferrate(VI) oxidation were investigated comprehensively using 2,4-dichlorophenol (2,4-DCP) as a probe compound. UV/ferrate(VI) oxidation could efficiently degrade 2,4-DCP and its oxidation ability outperformed conventional UV-based advanced oxidation processes. More...

journal_title：Chemosphere

authors： Wu S,Liu H,Lin Y,Yang C,Lou W,Sun J,Du C,Zhang D,Nie L,Yin K,Zhong Y

更新日期：2020-04-01 00:00:00

abstract：:The concentrations of three currently used non-polybrominated diphenyl ether (PBDE) brominated flame retardants (BFRs), 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE), decabromodiphenyl ethane (DBDPE), and tetrabromobisphenol A bis (2,3-dibromopropyl ether) (TBBPA-DBPE), were examined in environmental and biota samples ...

journal_title：Chemosphere

authors： Shi T,Chen SJ,Luo XJ,Zhang XL,Tang CM,Luo Y,Ma YJ,Wu JP,Peng XZ,Mai BX

更新日期：2009-02-01 00:00:00

abstract：:This study investigates the effect of sodium nitroprussiate (SNP), an exogenous NO-donor, on the joint toxicity of binary mixtures of cetyltrimethylammonium chloride (CTAC) and fluoranthene (Flu) (CTAC/Flu), which are representatives for surfactants and polycyclic aromatic hydrocarbons (PAHs) respectively, in a unicel...

journal_title：Chemosphere

authors： Li Q,Liang Z,Ge F,Xu Y,Yang L,Zeng H

更新日期：2014-02-01 00:00:00

abstract：:The effects of multiple heavy metal stress on the activity of antioxidative enzymes and lipid peroxidation were studied in leaves and roots of two mangrove plants, Kandelia candel and Bruguiera gymnorrhiza, grown under control (10 per thousand NaCl nutrient solution) or five levels of multiple heavy metal stress (10 p...

journal_title：Chemosphere

authors： Zhang FQ,Wang YS,Lou ZP,Dong JD

更新日期：2007-02-01 00:00:00

abstract：:Elevated mercury concentrations have been reported in fish in recent years. Japanese people eat a great deal of raw fishes and shellfishes as "Sashimi" and "Sushi". The action level of large predatory fish such as tuna with total mercury levels exceeding the Japanese maximum permitted limit of 0.4 ppm is exempted from...

journal_title：Chemosphere

authors： Nakagawa R,Yumita Y,Hiromoto M

更新日期：1997-12-01 00:00:00

abstract：:A commercially available enzyme-linked immunosorbent assay (ELISA) kit was evaluated for the determination of toxic equivalents (TEQs) of dioxin-like polychlorinated biphenyls (PCBs) in retail fish. The ELISA was highly specific for 2,3',4,4',5-pentachlorobiphenyl (PCB 118), which is generally the most abundant dioxin...

journal_title：Chemosphere

authors： Tsutsumi T,Amakura Y,Okuyama A,Tanioka Y,Sakata K,Sasaki K,Maitani T

更新日期：2006-10-01 00:00:00

abstract：:A sequential digest was used to examine the speciation of particulate-associated heavy metal pollutants in a holistic approach to the study of the movement of sediment within the urban environment. Sediments were classified according to whether they mainly acted as sources, were mostly transported, or had become depos...

journal_title：Chemosphere

authors： Charlesworth SM,Lees JA

更新日期：1999-08-01 00:00:00

abstract：:In this study, the H2S donor, sodium hydrosulfide (NaHS) was used to pretreat Phanerochaete chrysosporium in order to improve its ability to degrade 2,4-dichlorophenol (2,4-DCP). When pretreated with 100μM NaHS, P. chrysosporium was able to degrade 2,4-DCP completely in 24h, whereas the degradation efficiency of the u...

journal_title：Chemosphere

authors： Chen A,Zeng G,Chen G,Zhang C,Yan M,Shang C,Hu X,Lu L,Chen M,Guo Z,Zuo Y

更新日期：2014-08-01 00:00:00

abstract：:The adverse industrial activities discharged contaminated wastewater directly into the water bodies that contain toxic substances such as heavy metals. The contours use of marble industrial effluents may affect the fertility of soil and crop growth. The present study was conducted to investigate the toxic effects of m...

journal_title：Chemosphere

authors： Farid M,Farid S,Zubair M,Rizwan M,Ishaq HK,Ali S,Ashraf U,Alhaithloul HAS,Gowayed S,Soliman MH

更新日期：2020-02-01 00:00:00

abstract：:3D graphene-based materials are promising adsorbents for environmental applications. Furthermore, increasing attention has been paid to the improvement of 3D graphene adsorbents for removing pollutants. In this article, the progress in the modification of 3D graphene materials and their performance for removing pollut...

journal_title：Chemosphere

authors： Lin Y,Tian Y,Sun H,Hagio T

更新日期：2020-12-29 00:00:00

abstract：:The technology of combined liquid and gas phase discharges (LGD) using pulsed high voltage for dyes degradation was developed in this study. Apparent synergistic effects for Acid orange II (AO) degradation in the presence of oxygen were observed. The enhancement of AO degradation rate was around 302%. Furthermore, hig...

journal_title：Chemosphere

authors： Yang B,Zhou M,Lei L

更新日期：2005-07-01 00:00:00

abstract：:Pyriproxyfen (PPF) is a larvicide, used to combat the proliferation of Aedes aegypti larvae. The objective of this study was to analyze the compounds of pyriproxyfen and pyridalyl (PYL) in a commercial larvicide to analyze the cytotoxic and oxidative effects of PPF and PYL. The toxic potential of PPF and PYL were asse...

journal_title：Chemosphere

authors： Alves PES,Oliveira MDDA,Marcos de Almeida P,Martins FA,Amélia de Carvalho Melo Cavalcante A,de Jesus Aguiar Dos Santos Andrade T,Feitosa CM,Rai M,Campinho Dos Reis A,Soares da Costa Júnior J

更新日期：2019-06-01 00:00:00

abstract：:Pesticides are being detected in water bodies on an increasingly frequent basis. The present study focused on the phytoremediation potential of selected aquatic plants to remove phytosanitary products from contaminated water. We investigated the uptake capacity of Lemna minor (L. minor), Elodea canadensis (E. canadens...

journal_title：Chemosphere

authors： Olette R,Couderchet M,Biagianti S,Eullaffroy P

更新日期：2008-02-01 00:00:00

abstract：:Peroxidases from root exudates of sorghum (Sorghum bicolor L. Moench) and alfalfa (Medicago sativa L.) were purified and characterized, and their ability to oxidize native PAHs and PAH-derivatives was evaluated. The obtained data confirm that peroxidases are involved in the rhizosphere degradation of PAHs. Nondenaturi...

journal_title：Chemosphere

authors： Dubrovskaya E,Pozdnyakova N,Golubev S,Muratova A,Grinev V,Bondarenkova A,Turkovskaya O

更新日期：2017-02-01 00:00:00