Tea saponin enhanced biodegradation of decabromodiphenyl ether by Brevibacillus brevis.

abstract：:Partitioning of dioxins, dibenzofurans and the dioxin-like coplanar PCBs was determined by congener-specific high resolution gc-ms analysis of compounds in 6 tissue samples each from 5 women. Samples were whole blood obtained prior to delivery; maternal adipose tissue, cord blood and placenta obtained during cesarean ...

journal_title：Chemosphere

authors： Schecter A,Kassis I,Päpke O

更新日期：1998-10-01 00:00:00

abstract：:The effect of arsenic (As) exposure on genome-wide expression was examined in rice (Oryza sativa L., ssp. Indica). A group of defense and stress-responsive genes, transporters, heat-shock proteins, metallothioneins, sulfate-metabolizing proteins, and regulatory genes showed differential expression in rice seedlings ch...

journal_title：Chemosphere

authors： Chakrabarty D,Trivedi PK,Misra P,Tiwari M,Shri M,Shukla D,Kumar S,Rai A,Pandey A,Nigam D,Tripathi RD,Tuli R

更新日期：2009-02-01 00:00:00

abstract：:This study experimentally demonstrated that polyphosphate accumulating organisms (PAOs) losing the abilities of anaerobically synthesizing polyhydroxyalkanoates and aerobically taking up phosphate under Cu(II) presence was due to the inhibition of enzyme activities of acetyl-CoA synthases (ACS) and polyphosphate kinas...

journal_title：Chemosphere

authors： Tsai YP,Tzeng HF,Lin JW,Lu MS,Lin JY

更新日期：2013-04-01 00:00:00

abstract：:Paper recycling is an environmental important activity that is carried out in all the countries, but during the recycling process a paper waste is produced. Generally these wastes are placed in landfill sites but it is possible to profit it as secondary fuel and raw material in manufacture furnaces. In this work the c...

journal_title：Chemosphere

authors： Conesa JA,Gálvez A,Fullana A

更新日期：2008-05-01 00:00:00

abstract：:A biotic ligand model (BLM) was developed to predict nickel toxicity, affecting root growth of barley (Hordeum vulgare), in nutrient solutions. The extent to which Ca(2+), Mg(2+), Na(+), K(+) ions and pH each influenced nickel toxicity was determined. Higher activities of Mg(2+) linearly increased the 4d EC50 Ni (2+) ...

journal_title：Chemosphere

authors： Lock K,Van Eeckhout H,De Schamphelaere KA,Criel P,Janssen CR

更新日期：2007-01-01 00:00:00

abstract：:Chlorides derived from plastics and food residue content in MSW will affect the formation and partitioning of metal chlorides in the incineration discharges. Our study investigated the effects of waste-derived chlorides on the partitioning of heavy metals in a single-metal combustion system. The results indicate that ...

journal_title：Chemosphere

authors： Wang KS,Chiang KY,Lin SM,Tsai CC,Sun CJ

更新日期：1999-04-01 00:00:00

abstract：:Many coal-fired power plants are implementing ammonia-based technologies to reduce NO(x) emissions. Excess ammonia in the flue gas often deposits on the coal fly ash. Ammonia can form complexes with many heavy metals and change the leaching characteristics of these metals. This research tends to develop a fundamental ...

journal_title：Chemosphere

authors： Wang J,Ban H,Teng X,Wang H,Ladwig K

更新日期：2006-09-01 00:00:00

abstract：:We investigated the effects on the growth of the anaerobic bacterium, Clostridium sp., of the ionic liquid, 1-methoxyethyl-3-methyl imidazolium [MOEMIM](+), derived from imidazolium cation and paired with one of a variety of counter-ions, viz., tetrafluoroborate [BF₄]⁻, hexafluorophosphate [PF₆]⁻(,) trifluoroacetate [...

journal_title：Chemosphere

authors： Wang H,Malhotra SV,Francis AJ

更新日期：2011-03-01 00:00:00

abstract：:Mine wastes from abandoned exploitations are sources of high concentrations of hazardous metal(oid)s. Although these contaminants can be attenuated by sorbing to secondary minerals, in this work we identified a mechanism for long-distance dispersion of arsenic and metals through their association to mobile colloids. W...

journal_title：Chemosphere

authors： Gomez-Gonzalez MA,Villalobos M,Marco JF,Garcia-Guinea J,Bolea E,Laborda F,Garrido F

更新日期：2018-04-01 00:00:00

abstract：:Perfluoroalkyl acids (PFAAs) and their precursors have been used in various consumer products. However, limited information regarding their occurrence and concentration levels in products is available. In this study, we investigated 18 PFAAs and 14 PFAA precursors in various categories of consumer products purchased i...

journal_title：Chemosphere

authors： Ye F,Zushi Y,Masunaga S

更新日期：2015-05-01 00:00:00

abstract：:As reported in Chemosphere by Colles et al. (2020), there are multiple pathways for human exposure to poly- and perfluoroalkyl substances (PFAS). Now, a new chemical formation of C-F bonds in drug delivery lead to concerns for human exposure as these inert chemical formations are resistance to metabolic degradation an...

journal_title：Chemosphere

authors： Sonne C,Lam SS,Kim KH,Rinklebe J,Ok YS

更新日期：2020-06-01 00:00:00

abstract：:Aluminum salts are used as coagulants in water treatment; however, the exposure to residual aluminum has been associated with human brain lesions. The water-soluble Moringa oleifera lectin (WSMoL), which is extracted with distilled water and isolated by chitin chromatography, has coagulant activity and is able to redu...

journal_title：Chemosphere

authors： Freitas JHES,de Santana KV,do Nascimento ACC,de Paiva SC,de Moura MC,Coelho LCBB,de Oliveira MBM,Paiva PMG,do Nascimento AE,Napoleão TH

更新日期：2016-11-01 00:00:00

abstract：:This study aimed to evaluate the effect of veterinary pharmaceuticals (VPs) used to control endo- and ectoparasites in ruminants, on the survival and reproduction of the collembolan species Folsomia candida. Standard ecotoxicological tests were conducted in Tropical Artificial Soil and the treatments consisted of incr...

journal_title：Chemosphere

authors： Zortéa T,Segat JC,Maccari AP,Sousa JP,Da Silva AS,Baretta D

更新日期：2017-04-01 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：:The high sedimentation rates and high organic matter contents in the sediments of the Ría de Vigo (NW Spain) promote the development of anoxic conditions, determining the dynamics of elements like Fe and conditioning his speciation and reactivity. Four gravity cores were retrieved in anoxic sediments of the Ría de Vig...

journal_title：Chemosphere

authors： Ramírez-Pérez AM,de Blas E

更新日期：2017-05-01 00:00:00

abstract：:Exposure to polycyclic aromatic hydrocarbons (PAHs) has been associated with adverse health outcomes. Concentrations of urinary PAH metabolites (OH-PAHs) provide an integrated measure of human exposure to PAHs but measurement of urinary OH-PAHs has not been done in Australia and rarely in Vietnam, where air pollution ...

journal_title：Chemosphere

authors： Thai PK,Li Z,Sjödin A,Fox A,Diep NB,Binh TT,Mueller JF

更新日期：2015-11-01 00:00:00

abstract：:The open reading frames of 19 cytochrome P450 monooxygenase (CYP) genes were sequenced from Chironomus tentans, a commonly used freshwater invertebrate model. Phylogenetic analysis of the 19 CYPs along with a previously reported CYP (CtCYP4G33) revealed that they belong to three different clans, including 3 in CYP4, 1...

journal_title：Chemosphere

authors： Tang G,Yao J,Li D,He Y,Zhu YC,Zhang X,Zhu KY

更新日期：2017-11-01 00:00:00

abstract：:Heavy metals and antibiotics residues in agricultural soils are attracting more and more attention. A laboratory study was conducted to evaluate the single and combined effects of sulfadimidine (SM2) (0.05, 0.20, 0.80 mmol/kg) and copper (Cu) (1.60 mmol/kg) on soil microbial biomasses and ammoxidation microorganisms a...

journal_title：Chemosphere

authors： Wang L,Xia X,Zhang W,Wang J,Zhu L,Wang J,Wei Z,Ahmad Z

更新日期：2019-08-01 00:00:00

abstract：:The characterization of the Chlorella vulgaris solution was carried out using synchronous-scan spectroscopy. The range of concentration of algae and Fe(III) in aqueous solutions were 5 x 10(8)-8 x 10(9) cells l(-1) and 10-60 microM, respectively. Effective characterization method used was synchronous-scan fluorescence...

journal_title：Chemosphere

authors： Liu X,Tao S,Deng N

更新日期：2005-09-01 00:00:00

abstract：:The formation potential of carbonaceous and nitrogenous disinfection by-products (C-DBPs, N-DBPs) after ion exchange treatment (IEX) of three different water types in multiple consecutive loading cycles was investigated. Liquid chromatography with organic carbon detector (LC-OCD) was employed to gauge the impact of IE...

journal_title：Chemosphere

authors： Bazri MM,Martijn B,Kroesbergen J,Mohseni M

更新日期：2016-02-01 00:00:00

abstract：:The contamination of cereals with arsenic (As) is a global health and agronomic concern. This study compared the physiological response, As uptake and As speciation in the grains and above ground tissues of 20 wheat cultivars exposed to 5 mg As kg-1 soil as either arsenate (AsV) or dimethylarsenate (DMA) under glassho...

journal_title：Chemosphere

authors： Duncan EG,Maher WA,Foster SD,Krikowa F,O'Sullivan CA,Roper MM

更新日期：2017-08-01 00:00:00

abstract：:In this research, mechanochemical reduction was carried out to remediate Cr(VI) contaminated soil, and the reduction effectiveness was evaluated by analyzing the corresponding leachable fraction obtained through the toxicity characteristic leaching procedure (TCLP) proposed by the EPA. The results indicated that mecha...

journal_title：Chemosphere

authors： Yuan W,Xu W,Wu Z,Zhang Z,Wang L,Bai J,Wang X,Zhang Q,Zhu X,Zhang C,Wang J

更新日期：2018-12-01 00:00:00

abstract：:Due to the growing concern about human health effects of ultraviolet (UV) radiation, the use of UV filters has increased in recent decades. Unfortunately, some common UV filters are bioaccumulated in aquatic organisms and show a potential for estrogenic activity. The aim of the present study is to determine the presen...

journal_title：Chemosphere

authors： Sánchez Rodríguez A,Rodrigo Sanz M,Betancort Rodríguez JR

更新日期：2015-07-01 00:00:00

abstract：:The study aimed at to determine the magnitude of the methane (CH(4)) and nitrous oxide (N(2)O) flux rates in soils at Hennequin Point, King George Island, Antarctic, under different slope positions, vegetal covers and presence of skuas, as well as to evaluate the main soil and climate factors that are involved with th...

journal_title：Chemosphere

authors： Vieira FC,Pereira AB,Bayer C,Schünemann AL,Victoria Fde C,de Albuquerque MP,de Oliveira CS

更新日期：2013-01-01 00:00:00

abstract：:Concentrations of persistent organic pollutants (POPs) such as hexachlorobenzene (HCB), dichlore diphenyl trichloretane (DDT), polychlorinated biphenyls (PCBs), and gamma-hexachlorocyclohexane (gamma-HCH or lindane) were determined in tissue of marine benthic invertebrates such as Mytilus galloprovincialis, Chamelea g...

journal_title：Chemosphere

authors： Deudero S,Box A,March D,Valencia JM,Grau AM,Tintore J,Calvo M,Caixach J

更新日期：2007-08-01 00:00:00

abstract：:The formation of dichloroacetonitrile (DCAN), dichloroacetamide (DCAcAm) and trichloroacetamide (TCAcAm) during chlorination of secondary effluents was evaluated under different conditions. The formation of DCAN and DCAcAm increased, then decreased with increasing contact time and chlorine dose, while TCAcAm formation...

journal_title：Chemosphere

authors： Huang H,Wu QY,Tang X,Jiang R,Hu HY

更新日期：2016-02-01 00:00:00

abstract：:Conductive membranes provide a promising method to alleviate membrane fouling, but their cost-effective fabrication, which is urgently needed, is still a challenge. This paper describes the facile fabrication of an ultrafiltration conductive polypyrrole (PPy)-modified membrane (PMM) by in situ chemical polymerization ...

journal_title：Chemosphere

authors： Sun J,Wang G,Zhang H,Zhang B,Hu C

更新日期：2020-12-26 00:00:00

abstract：:Magnetite nanoparticles (Fe3O4 NPs) was firstly used to enhance pollutants removal during coal gasification wastewater (CGW) treatment in anaerobic digestion (AD) system. Bench-scale results revealed that 200 mg/L and 20-40 nm of Fe3O4 NPs addition resulted in a maximum removal capacity of total phenol (TPh) at a temp...

journal_title：Chemosphere

authors： Ma W,Li J,Zhong D,Ge X,Li K,Dai C,Gao Y

更新日期：2021-01-01 00:00:00

abstract：:The purpose of this study is to develop an aerosol generating system that can produce particles of micrometer size in a convenient and efficient way. This system is comprised of an ultrasonic atomizer, potassium sodium tartrate tetrahydrate (PST) as solute and a program-controlled solute feeding unit with different PS...

journal_title：Chemosphere

authors： Lee YC,Jeng FT,Chen CC

更新日期：2008-10-01 00:00:00

abstract：:Rare earth elements (REEs) are essential in high technology industries and have great economic value. The monitoring of REEs concentrations in rocks from oil well drill cuttings is critical to avoid environmental contamination and evaluate new sources of these elements. However, information is scarce about the REEs co...

journal_title：Chemosphere

authors： Fontana KB,Araujo RGO,de Oliveira FJS,Bascuñan VLAF,de Andrade Maranhão T

更新日期：2021-01-01 00:00:00