Temporal and spatial distribution of Microcystis biomass and genotype in bloom areas of Lake Taihu.

abstract：:In vitro fertilization (IVF) is one of the most important treatments of infertility to provide a chance of conceiving. In IVF treatment, sperm are washed and motile sperm are isolated with sperm washing media (SWM) for the purpose of fertilization; fertilized ova are then incubated for a maximum of 5 or 6d in media fo...

journal_title：Chemosphere

authors： Takatori S,Akutsu K,Kondo F,Ishii R,Nakazawa H,Makino T

更新日期：2012-02-01 00:00:00

abstract：:Polybrominated diphenyl ethers (PBDEs) have recently been shown to be on the increase in the environment and in human milk. The most commonly found PBDE congener in human milk is 2,2',4,4',5-penta BDE (BDE-99). The aim of the present study was to investigate the neurotoxic effects of BDE-99 (2 mg kg(-1)d(-1)) administ...

journal_title：Chemosphere

authors： Cheng J,Gu J,Ma J,Chen X,Zhang M,Wang W

更新日期：2009-05-01 00:00:00

abstract：OBJECTIVE:Our objective was to investigate congener-specific body burden levels and possible determinants of polybrominated diphenyl ethers (PBDEs) in the Japanese human population. METHODS:We conducted a cross-sectional study on 72 participants aged 15-74 years; subjects were not occupationally exposed to PBDEs or di...

journal_title：Chemosphere

authors： Uemura H,Arisawa K,Hiyoshi M,Dakeshita S,Kitayama A,Takami H,Sawachika F,Yamaguchi M,Sasai S

更新日期：2010-04-01 00:00:00

abstract：:The effect of Cr(III) and Cr(VI) on nitrification was examined with samples from nitrifying enrichment cultures using three different approaches: by measuring substrate (ammonia) specific oxygen uptake rates (SOUR), by using RT-qPCR to quantify the transcripts of functional genes involved in nitrification, and by anal...

journal_title：Chemosphere

authors： Kapoor V,Elk M,Li X,Impellitteri CA,Santo Domingo JW

更新日期：2016-03-01 00:00:00

abstract：:Aerosol acidity has significant implications for atmospheric processing, and high time-resolution measurements can provide critical insights into those processes. This paper reports diurnal variations of aerosol acidity characterized using an open thermodynamic system in Guangzhou, China. Hourly measurements of PM2.5-...

journal_title：Chemosphere

authors： Jia S,Sarkar S,Zhang Q,Wang X,Wu L,Chen W,Huang M,Zhou S,Zhang J,Yuan L,Yang L

更新日期：2018-07-01 00:00:00

abstract：:The present study developed a new step-wise approach to estimate the potential human health risk of antibiotics in binary mixture for drinking water samples for two different sub-populations. Monte Carlo simulation based uncertainty analysis was performed to reduce uncertainty in risk assessment. Human health risk ass...

journal_title：Chemosphere

authors： Kumari M,Kumar A

更新日期：2020-02-01 00:00:00

abstract：:Mercury (Hg) concentrations were analyzed in the livers of Baikal seals and in plankton, zoobenthos and fish which constitute food items for the seals. Concentrations of Hg in the liver of Baikal seals were up to two orders of magnitude lower than those in seals inhabiting other lakes. The low levels of Hg are due to ...

journal_title：Chemosphere

authors： Ciesielski T,Pastukhov MV,Szefer P,Jenssen BM

更新日期：2010-03-01 00:00:00

abstract：:Fish gills are target organs for waterborne metal ions and this work aimed to investigate the effects of waterborne Ni(2+) (10, 25 and 50 mg L(-1)) on goldfish gills. A special focus was on the relationship between Ni uptake and the homeostasis of reactive oxygen species (ROS) in the gills, the tissue, in direct conta...

journal_title：Chemosphere

authors： Kubrak OI,Husak VV,Rovenko BM,Poigner H,Kriews M,Abele D,Lushchak VI

更新日期：2013-01-01 00:00:00

abstract：:The effect on halogenated aromatics of solid, non-toxic oxidants such as sodium percarbonate and the urea/hydrogen peroxide complex (Fenton-like reagents) was investigated. A microwaves-assisted, solvent-free method for soil decontamination is presented. It marks a considerable advance in the search of more efficient,...

journal_title：Chemosphere

authors： Cravotto G,Di Carlo S,Ondruschka B,Tumiatti V,Roggero CM

更新日期：2007-10-01 00:00:00

abstract：:In organisms, activation of mitochondrial unfolded protein response (mt UPR) provides the protective strategy against toxicity of environmental exposures. The aim of this study was to determine the activation of intestinal mt UPR and the underlying mechanisms in nanopolystyrene (100 nm) exposed Caenorhabditis elegans....

journal_title：Chemosphere

authors： Liu H,Wang D

更新日期：2021-03-01 00:00:00

abstract：:Atrazine (AZ) is an environmental endocrine disrupting chemical which can affect the development of amphibians. In our past studies, we demonstrated that chronical exposure to 100 μg/L AZ can cause abnormalities in development and related genes expression of gonads in developing male Xenopus laevis (X. laevis) tadpole...

journal_title：Chemosphere

authors： Sai L,Li L,Hu C,Qu B,Guo Q,Jia Q,Zhang Y,Bo C,Li X,Shao H,Ng JC,Peng C

更新日期：2018-06-01 00:00:00

abstract：:Dietary exposure to polybrominated diphenyl ethers (PBDEs) of the population in the Region of Valencia, Spain, was assessed. A group of 320 composite samples of different fatty foods was collected and analyzed, including the following: vegetable oils, and foods of animal origin such as (a) fish and seafood, (b) eggs, ...

journal_title：Chemosphere

authors： Pardo O,Fernández SF,Quijano L,Marín S,Villalba P,Corpas-Burgos F,Yusà V

更新日期：2020-07-01 00:00:00

abstract：:Tetrabromobisphenol A (TBBPA) is ubiquitous and its contents showing an increasing trend in the coastal environment. In order to investigate the effects of TBBPA on marine bivalves, juvenile manila clams Ruditapes phillipinarum were exposed to TBBPA for 28 days. The results showed that shell growth rate of juvenile cl...

journal_title：Chemosphere

authors： Jiang S,Miao J,Wang X,Liu P,Pan L

更新日期：2019-06-01 00:00:00

abstract：:The results of this study provide a measure of the levels of dioxin-like compounds (polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans and polychlorinated biphenyls) in pooled blood serum collected throughout Australia in 2003. De-identified samples selected from surplus pathology samples were stratified...

journal_title：Chemosphere

authors： Harden FA,Toms LM,Paepke O,Ryan JJ,Müller JF

更新日期：2007-04-01 00:00:00

abstract：:In this study we investigated the effect of uranium on the growth of the bacterium Thermus scotoductus strain SA-01 as well as the whole cell U(VI) reduction capabilities of the organism. Also, site-directed mutagenesis confirmed the identity of a protein capable of a possible alternative mechanism of U(VI) reduction....

journal_title：Chemosphere

authors： Cason ED,Piater LA,van Heerden E

更新日期：2012-02-01 00:00:00

abstract：:Rising environmental pressures on water resources and resource quality associated with urbanisation, industrialisation, mining and agriculture are a global concern. In the current study the upper Olifants River catchment as case study was used, to show that acid mine drainage (AMD) and acid precipitation were the two ...

journal_title：Chemosphere

authors： Oberholster PJ,Botha AM,Hill L,Strydom WF

更新日期：2017-12-01 00:00:00

abstract：:Although the toxic potential of tannery effluents (TE) is acknowledged, the impacts these residues have on mammals who intake water contaminated with this pollutant are not completely known. Thus, in order to broaden the knowledge about how these contaminants affect the biota, the aim of the current study is to assess...

journal_title：Chemosphere

authors： Quintão TC,Rabelo LM,Alvarez TGS,Guimarães AT,Rodrigues ASL,Cardoso LS,Ferreira RO,Malafaia G

更新日期：2018-03-01 00:00:00

abstract：:Soil contamination with total petroleum hydrocarbons (TPH) is widespread throughout the globe due to the massive production of TPH anthropogenically and its occurrence in the soil. TPH is toxic to beneficial soil organisms and humans and thus has become a serious concern among the public. Traditionally TPH toxicity in...

journal_title：Chemosphere

authors： Khan MAI,Biswas B,Smith E,Naidu R,Megharaj M

更新日期：2018-12-01 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：:Owing to the superlative properties, engineered nanomaterials (ENM) are being used in food, cosmetics, medicine, and electronics. Therefore, exogenous ENM can be housed into humans through a multitude of exposure routes, leading to compromise of the biomolecules' functionalities through structural deformations, and ev...

journal_title：Chemosphere

authors： Ahmad F,Abubshait SA,Abubshait HA

更新日期：2021-01-01 00:00:00

abstract：:An earlier demonstration that the relative concentrations of isomers of polychlorinated dibenzofuran do not vary as the flamefront of an iron ore sinter plant progresses through the bed, and profiles are similar for two sinter strands has been widened to include studies of the similarity or otherwise between full scal...

journal_title：Chemosphere

authors： Thompson D,Ooi TC,Anderson DR,Fisher R,Ewan BCR

更新日期：2016-07-01 00:00:00

abstract：:In the present study, heterogeneous electro-Fenton (EF) process was applied to remove the sulfasalazine (SU) pharmaceutical from aqueous solutions. In the first part, 3D graphene loaded with Fe@Fe2O3 core-shell nanowires (Fe@Fe2O3/3D-GO) was used as a cathode electrode in the EF process. Graphene oxide (GO) was synthe...

journal_title：Chemosphere

authors： Amali S,Zarei M,Ebratkhahan M,Khataee A

更新日期：2020-10-09 00:00:00

abstract：:As a two-dimensional nanomaterial, bismuth oxybromide (BiOBr) have attracted tremendous interest in the area of visible-light photocatalysis since it can provide the internal electric field (IEF) through z-axis through its unique electronic band structure. However, the insufficient active sites and rapid recombination...

journal_title：Chemosphere

authors： Lee GY,Cho EC,Lo PY,Zheng JH,Huang JH,Chen YL,Lee KC

更新日期：2020-11-01 00:00:00

abstract：:Populations subject to anthropogenic contaminants often display altered patterns of genetic variation, including decreased genetic variability. Selective pressures of contaminant exposure are also reflected in differential tolerance between genotypes. An industrial chemical spill in a major eastern Australian waterway...

journal_title：Chemosphere

authors： Chung PP,Ballard JW,Hyne RV

更新日期：2013-10-01 00:00:00

abstract：:Because of the well-known molecular complexity and heterogeneity of natural organic matter (NOM), an aquatic bulk NOM was fractionated into well-defined polyphenolic-rich and carbohydrate-rich subfractions. These fractions were systematically characterized by fluorescence emission, three dimensional excitation-emissio...

journal_title：Chemosphere

authors： Chen J,LeBoeuf EJ,Dai S,Gu B

更新日期：2003-02-01 00:00:00

abstract：:Environmental epidemiology is the specialized aspect of public health science that studies human health risk from environmental hazards. It is rises largely upon a foundation of public health surveillance, and relies heavily upon analyses of data for small areas and sparse population groups. To a degree, environmental...

journal_title：Chemosphere

authors： Aldrich TE

更新日期：2000-07-01 00:00:00

abstract：:In this study, novel lignin-based flocculant (LBF) was prepared in recycling of papermaking sludge. And LBF combined with polyaluminum chloride (PAC) was used in the coagulation/ultrafiltration combined process. Effects of polymer types, pH and ultrafiltration time on the membrane fouling mechanism and resistance dist...

journal_title：Chemosphere

authors： Li R,Gao B,Wang W,Yue Q,Wang Y

更新日期：2020-03-01 00:00:00

abstract：:The octanol/water partition coefficient (Kow) for organic compounds is widely used in predictive environmental studies. A significant proportion of contaminants of surface and ground water are ionisable (e.g. many pesticides, pharmaceuticals, metabolites). Such compounds may be partially ionised dependent on the pH. S...

journal_title：Chemosphere

authors： Kah M,Brown CD

更新日期：2008-08-01 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：:In the treatment of a polluted soil, the pH has a strong impact on the development of different physicochemical processes as precipitation/dissolution, adsorption/desorption or ionic exchange. In addition, the pH determines the chemical speciation of the compounds present in the system and, consequently, it conditions...

journal_title：Chemosphere

authors： López Vizcaíno R,Yustres A,Asensio L,Saez C,Cañizares P,Rodrigo MA,Navarro V

更新日期：2018-05-01 00:00:00