Development of QSARs to investigate the bacterial toxicity and biotransformation potential of aromatic heterocylic compounds.

abstract：:Due to influence of wind patterns (monsoon and westerlies) and anthropogenic activities, lower stretch of Himalaya is at direct exposure to persistent organic pollutants (POPs). Current study was designed to monitor atmospheric concentrations of long lived organochlorine pesticides (OCPs) and polychlorinated biphenyls...

journal_title：Chemosphere

authors： Ali U,Sweetman AJ,Jones KC,Malik RN

更新日期：2018-01-01 00:00:00

abstract：:The addition of biodiesel together with nitrate and phosphate to soil containing coal tar, in laboratory and field experiments, resulted in degradation of coal tar polycyclic aromatic hydrocarbons (PAH) that was not apparent when the nutrients alone were added. The addition of motor diesel fuel instead of biodiesel wa...

journal_title：Chemosphere

authors： Taylor LT,Jones DM

更新日期：2001-08-01 00:00:00

abstract：:Microparticles made from naturally occurring materials or biodegradable plastics such as poly(3-hydroxy butyrate)-co-(3-hydroxy valerate), PHBV, are being evaluated as alternatives to microplastics in personal care product applications but limited data is available on their ultimate biodegradability (mineralization) i...

journal_title：Chemosphere

authors： McDonough K,Itrich N,Casteel K,Menzies J,Williams T,Krivos K,Price J

更新日期：2017-05-01 00:00:00

abstract：:Achieving better understanding phosphorus (P) flows through urban ecosystems is needed to conserve P, as non-renewable phosphate rock deposits become depleted and the global human population increases. A baseline mass flow analysis (MFA) for P developed for the Twin Cities Watershed (TCW, which includes most of the Mi...

journal_title：Chemosphere

authors： Baker LA

更新日期：2011-08-01 00:00:00

abstract：:With the global warming due to greenhouse effects becoming serious, many efforts are carried out to decrease the emissions of CO2 from the combustion of carbonaceous materials. In Taiwan, there are 19 large-scale municipal solid waste incinerators running and their total emission of CO2 is about 16,950 kton y-1. Spray...

journal_title：Chemosphere

authors： Chen JC,Fang GC,Tang JT,Liu LP

更新日期：2005-03-01 00:00:00

abstract：:Selenium can regulate arsenic toxicity by strengthening antioxidant potential, but the antagonism between selenite or selenate nutrient and the translocation of arsenic species from paddy soil to different rice organs are poorly understood. In this study, a pot experiment was designed to investigate the effect of sele...

journal_title：Chemosphere

authors： Pokhrel GR,Wang KT,Zhuang H,Wu Y,Chen W,Lan Y,Zhu X,Li Z,Fu F,Yang G

更新日期：2020-01-01 00:00:00

abstract：:The work detailed here investigated the efficiency of oxidising technologies in clearing aqueous solutions of di-n-butyl phthalate (DBP), a known endocrine-disrupting compound (EDCs). Specifically, this paper addresses the use of the classic Fenton process, and the development of a modification of Fenton's reagent tar...

journal_title：Chemosphere

authors： Ziembowicz S,Kida M,Koszelnik P

更新日期：2019-12-01 00:00:00

abstract：:The aim of this study was to validate a multi-trial biomarker approach for the evaluation of toxicological risk due to benzo(alpha)pyrene. Carcinus aestuarii, exposed to increasing concentrations of B(alpha)P in the water, was used as the bioindicator organism. A set of biomarkers were tested in order to: identify bio...

journal_title：Chemosphere

authors： Fossi MC,Casini S,Savelli C,Corbelli C,Franchi E,Mattei N,Sanchez-Hernandez JC,Corsi I,Bamber S,Depledge MH

更新日期：2000-04-01 00:00:00

abstract：:The metal emissions from three incinerators burning different feedstock in Taiwan were characterized in this study. It was found that the Incinerators A and B, treating pig carcasses and animal (including pigs) carcasses, respectively, had much higher metal concentrations in stack flue gases than Incinerator C that co...

journal_title：Chemosphere

authors： Chen SJ,Hung MC,Huang KL,Hwang WI

更新日期：2004-06-01 00:00:00

abstract：:In a preliminary study, the uptake and the mobility of uranium (U) by black oak trees (Quercus velutina) were assessed by measuring the isotopic composition of tree rings in two mature oak trees in a heavy metal contaminated bog in Concord, MA. The bog is adjacent to a nuclear industrial facility that has been process...

journal_title：Chemosphere

authors： Edmands JD,Brabander DJ,Coleman DS

更新日期：2001-08-01 00:00:00

abstract：:The end products of atmospheric degradation are not only CO2 and H2O but also sulfate and nitrate depending on the chemical composition of the substances which are subject to degradation processes. Atmospheric degradation has thus a direct influence on the radiative balance of the earth not only due to formation of gr...

journal_title：Chemosphere

authors： Slanina J,ten Brink HM,Khlystov A

更新日期：1999-03-01 00:00:00

abstract：:This study evaluated the long-term dissolved organic matter (DOM), phosphorus and nitrogen removal performance of a commercially available conventional anion exchange resin (AER) from actual secondary effluent (SE) in a sewage treatment plant based on a pilot-scale operation (2.2 m(3) d(-1), 185 cycles, 37,000 bed vol...

journal_title：Chemosphere

authors： Sun J,Li X,Quan Y,Yin Y,Zheng S

更新日期：2015-10-01 00:00:00

abstract：:Humans are exposed to numerous endocrine disruptors on a daily basis, which may interfere with endogenous estrogens, with Di-(2-ethylhexyl) phthalate (DEHP) being one of the most employed. The anterior pituitary gland is a target of 17β-estradiol (E2) through the specific estrogen receptors (ERs) α and β, whose expres...

journal_title：Chemosphere

authors： Pérez PA,Toledo J,Sosa LDV,Peinetti N,Torres AI,De Paul AL,Gutiérrez S

更新日期：2020-11-01 00:00:00

abstract：:Air samples were collected, using a high-volume air sampler, at an urban site in Beijing from April 2014 to March 2015. The polychlorinated naphthalene (PCN) concentration in the atmosphere in each season was determined. The total PCN (total target tri- to octachloronaphthalene congeners) concentrations were 1.99-19.0...

journal_title：Chemosphere

authors： Xue L,Zhang L,Yan Y,Dong L,Huang Y,Li X

更新日期：2016-11-01 00:00:00

abstract：:A series of CX-TiO2(Carbon Xerogel- TiO2) composites with a hierarchical porous structure were obtained through the sol-gel method followed by drying and carbonization, and have been applied to treating solubilizing wastewater containing a high concentration of phenanthrene (PHE). The characterizations demonstrated th...

journal_title：Chemosphere

authors： Wang A,Peng X,Shi N,Lu X,Yang C,He P,Wu Y

更新日期：2020-12-01 00:00:00

abstract：:Studies by researchers worldwide have revealed that, even in industrialised nations, people, infants and the aged in particular, are even more exposed to neurotoxic drugs as a consequence of the increased quantity of pesticide residues in food. This phenomenon, as underlined by The Worldwatch Institute (2006), is link...

journal_title：Chemosphere

authors： Amaroli A,Aluigi MG,Falugi C,Chessa MG

更新日期：2013-02-01 00:00:00

abstract：:A novel strategy utilizing the phenyls interaction and the hydrophobic affinity of available siloxane surface in the interlayer of bentonite was proposed to improve the sorption capabilities of organobentonites for water soluble aromatic contaminants. A unique organobentonite (65BTMA) was synthesized by intercalating ...

journal_title：Chemosphere

authors： Zhu L,Ruan X,Chen B,Zhu R

更新日期：2008-02-01 00:00:00

abstract：:The removal of pharmaceuticals present in wastewater is receiving more and more attention since most of them are refractory to traditional biological treatments. Many advanced oxidation processes have been reported in literature. However, cost estimations are not available for most of them. Recently, more environment ...

journal_title：Chemosphere

authors： Durán A,Monteagudo JM,San Martín I

更新日期：2018-11-01 00:00:00

abstract：:The removal of organic micropollutants (OMPs) has been investigated in constructed wetlands (CWs) operated as bioelectrochemical systems (BES). The operation of CWs as BES (CW-BES), either in the form of microbial fuel cells (MFC) or microbial electrolysis cells (MEC), has only been investigated in recent years. The p...

journal_title：Chemosphere

authors： Hartl M,García-Galán MJ,Matamoros V,Fernández-Gatell M,Rousseau DPL,Du Laing G,Garfí M,Puigagut J

更新日期：2021-01-08 00:00:00

abstract：:Bioaccumulation of heavy metals and its associated histological perturbations were studied in various tissues of Mugil cephalus collected from Ennore estuary and compared with the fish collected from off-shore region. The concentration of copper, lead, zinc, cadmium, manganese and iron were quantified in gills, liver ...

journal_title：Chemosphere

authors： Arockia Vasanthi L,Revathi P,Mini J,Munuswamy N

更新日期：2013-05-01 00:00:00

abstract：:In this study, a fully automated analytical method, based on online solid phase extraction coupled to liquid chromatography-triple quadrupole tandem mass spectrometry (online SPE-LC-MS/MS), has been developed and optimized for the quantification of 10 illicit drugs and metabolites in environmentally aqueous samples co...

journal_title：Chemosphere

authors： Yao B,Lian L,Pang W,Yin D,Chan SA,Song W

更新日期：2016-10-01 00:00:00

abstract：:The present investigation determined the effects of epibrassinolide (EBL) on the levels of indole-3-acetic acid (IAA), abscisic acid (ABA), and polyamine (PA) and antioxidant potential of 7-d old Raphanus sativus L. cv. 'Pusa chetki' seedlings grown under Cr (VI) metal stress. Reduced titers of free (0.767 μg g(-1) FW...

journal_title：Chemosphere

authors： Choudhary SP,Kanwar M,Bhardwaj R,Gupta BD,Gupta RK

更新日期：2011-07-01 00:00:00

abstract：:Symbiosis among herbicide-metabolising microorganisms and phytoremediation plants may be an efficient alternative to remediate sulfentrazone-contaminated soils. This work evaluated the bioremediation of sulfentrazone-contaminated soils by symbiosis between bacteria (Bradyrhizobium sp.) and jack bean (Canavalia ensifor...

journal_title：Chemosphere

authors： Mielke KC,Bertuani RR,Pires FR,Bueno Cotta AJ,Egreja Filho FB,Madalão JC

更新日期：2020-09-01 00:00:00

abstract：:Toxic polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) in 45 stack gas samples were measured from 19 medical waste incinerators in South Korea using high-resolution gas chromatography equipped with a high-resolution mass spectrometer. The average concentrations of the sum of 17 toxic...

journal_title：Chemosphere

authors： Yoon YW,Jeon TW,Son JI,Kim KY,Kwon EH,Shin SK,Kang JG

更新日期：2017-12-01 00:00:00

abstract：:Microbially enhanced availability and phytoextraction is a promising technique for phytoremediation of lead (Pb). In this study, Pb resistant strains were isolated and investigated for potential effects on plant growth and Pb phytoextraction. Incubation experiments were carried for inoculated and un-inoculated soil co...

journal_title：Chemosphere

authors： Manzoor M,Gul I,Ahmed I,Zeeshan M,Hashmi I,Amin BAZ,Kallerhoff J,Arshad M

更新日期：2019-07-01 00:00:00

abstract：:Bioavailability and ecotoxicity of metals in contaminated soils depend largely on their solubility. The present investigation was carried out to predict the free ion activity of Zn2+, Cu2+, Ni2+, Pb2+ and Cd2+ in contaminated soils as a function of pH, organic carbon content and extractable metal concentration. Twenty...

journal_title：Chemosphere

authors： Golui D,Datta SP,Dwivedi BS,Meena MC,Trivedi VK

更新日期：2020-03-01 00:00:00

abstract：:This study has investigated the photolysis of polychlorinated biphenyls (PCBs) in methanol solution under UV irradiation. The results showed that the PCBs containing ortho-chlorine can generate both hydroxylated and methoxylated PCBs (HO-PCBs and MeO-PCBs), while the PCBs with a meta-chlorine but without ortho-chlorin...

journal_title：Chemosphere

authors： Tang T,Zheng Z,Wang R,Huang K,Li H,Tao X,Dang Z,Yin H,Lu G

更新日期：2018-02-01 00:00:00

abstract：:Dose-dependent terathogenic effects of an organophosphate insecticide were found during early sea urchin development. This biological assay is low cost, easy to measure, and allows to detect the effects of the exposure of organisms to the active principle at concentrations lower than the acceptable daily intake (ADI) ...

journal_title：Chemosphere

authors： Morale A,Coniglio L,Angelini C,Cimoli G,Bolla A,Alleteo D,Russo P,Falugi C

更新日期：1998-12-01 00:00:00

abstract：:Hydrothermal carbonization (HTC) has become an esteemed method to convert sewage sludge into biochar. Besides dewatering and disinfection the process is suggested to reduce the micropollutant load, which would be beneficial for the use of biochar as fertilizer. This study was designed to examine reduction of micropoll...

journal_title：Chemosphere

authors： vom Eyser C,Schmidt TC,Tuerk J

更新日期：2016-06-01 00:00:00

abstract：:Polyetherimide-graphitic carbon nitride (PEI-g-C3N4) floating photocatalyst has been synthesized by using polyetherimide (PEI) as linker to bind graphitic carbon nitride (g-C3N4) together. XRD and XPS analysis for PEI-g-C3N4 show that the interaction between PEI and g-C3N4 does not disturb the structure of g-C3N4. FTI...

journal_title：Chemosphere

authors： Guo Y,Wang R,Wang P,Li Y,Wang C

更新日期：2017-07-01 00:00:00