Antifeedant, larvicidal and growth inhibitory effects of ononitol monohydrate isolated from Cassia tora L. against Helicoverpa armigera (Hub.) and Spodoptera litura (Fab.) (Lepidoptera: Noctuidae).

abstract：:In this study, the acute toxicity of the organophosphorous pesticides dichlorvos and chlorpyrifos to two different species of Artemia (A. salina and A. parthenogenetica) was evaluated. In addition, the in vivo effect of these two pesticides on cholinesterase (ChE) activity of both A. salina and A. parthenogenetica was...

journal_title：Chemosphere

authors： Varó I,Navarro JC,Amat F,Guilhermino L

更新日期：2002-08-01 00:00:00

abstract：:The unexpected incorporation of ionic Mn and Fe in the crystalline structure of titanate nanowires was accomplished when a contaminated a titanium source was used. The presence of Mn (8.1 mg L-1) and Fe (4.3 mg L-1) result in the production of a novel co-doped (Fe,Mn) titanate nanowires (TNW) material with improved op...

journal_title：Chemosphere

authors： Barrocas B,Chiavassa LD,Conceição Oliveira M,Monteiro OC

更新日期：2020-07-01 00:00:00

abstract：:5 textile finishing processes were investigated for polychlorinated dibenzo-p-dioxins/furans (PCDD/F), polybrominated dibenzo-p-dioxins/furans (PBDD/F) and mixed polychlorinated-brominated dibenzo-p-dioxins/furans (PBCDD/F). For the purpose of these investigations the complete balance--dioxins input from the raw texti...

journal_title：Chemosphere

authors： Sedlak D,Dumler-Gradl R,Thoma H,Vierle O

更新日期：1998-10-01 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：:Bottom ash from open-burning of municipal waste practised in developing countries poses a risk of heavy metal leaching into groundwater. Compared to incineration ash, there is limited information on heavy metal leaching from open-burning ash and soil from non-engineered landfills. Batch and column experiments were con...

journal_title：Chemosphere

authors： Gwenzi W,Gora D,Chaukura N,Tauro T

更新日期：2016-03-01 00:00:00

abstract：:Polychlorinated biphenyls (PCBs) were analysed in wild bird eggs from industrialised areas in South Africa. The concentration, congener profile, feeding guild, potential associated risk and biology were investigated. PCBs were detected in all eggs with 30 congeners present in more than 80% of the samples. Σ(34)PCB con...

journal_title：Chemosphere

authors： Quinn LP,Roos C,Pieters R,Løken K,Polder A,Skaare JU,Bouwman H

更新日期：2013-01-01 00:00:00

abstract：:The increase in global consumption of illicit drugs has produced not only social and medical problems but also a potential new environmental danger. Indeed, it has been established that drugs consumed by humans end up in surface waters, after being carried through the sewage system. Although many studies to measure co...

journal_title：Chemosphere

authors： Binelli A,Pedriali A,Riva C,Parolini M

更新日期：2012-03-01 00:00:00

abstract：:This work focuses on the photocatalytic removal of recalcitrant organic pollutants in water treatment. Based on facile precipitation reaction, we fabricated a photocatalyst (PbCrO4) in single crystals that present evident response to visible light and employed the catalyst in the photocatalytic decomposition of microc...

journal_title：Chemosphere

authors： Liu G,Zhang G,Zhang S,Xu Y,Yang X,Zhang X

更新日期：2020-01-01 00:00:00

abstract：:PM2.5 was measured and analyzed between 2014 and 2015 in Seoul, and its sources were identified with a positive matrix factorization (PMF) to characterize chemical constituents and sources of the measured PM2.5. To verify policy interventions in reducing PM2.5 levels in Korea, the results were compared with previously...

journal_title：Chemosphere

authors： Park EH,Heo J,Kim H,Yi SM

更新日期：2020-07-01 00:00:00

abstract：:Antimony (Sb) is a pollutant found in lead-contaminated soils and occurs mainly in oxidation states Sb(III) or Sb(V), this latter being the less toxic forms to organisms. In human health risk assessment, soil ingestion is one of a major exposure route in which Human bioavailability is not considered. The objectives of...

journal_title：Chemosphere

authors： Denys S,Tack K,Caboche J,Delalain P

更新日期：2009-02-01 00:00:00

abstract：:Four bioreactor designs were performed to evaluate the level of incorporation of 14C-labeled 2,4,6-trinitrotoluene (TNT) and metabolites into the organic soil matrix of different anaerobically treated contaminated soils. The contaminated soils were amended with molasses slivers (80:20% per weight) as auxiliary substra...

journal_title：Chemosphere

authors： Drzyzga O,Bruns-Nagel D,Gorontzy T,Blotevogel KH,von Löw E

更新日期：1999-04-01 00:00:00

abstract：:Microcystin release from algal cells influences use of copper-algaecides in water resources. Accurate data regarding relationships between copper-algaecide exposures and responses of microcystin-producing algae are needed to make informed management decisions. Responses of Microcystis aeruginosa were measured in terms...

journal_title：Chemosphere

authors： Iwinski KJ,Calomeni AJ,Geer TD,Rodgers JH Jr

更新日期：2016-03-01 00:00:00

abstract：:In this study, the concentration of foliar dust and 23 elemental concentrations in foliar dust and foliar tissues were studied using long rows of grand tamarind trees grown in two major roads in Coimbatore, India. Twenty-four sampling sites were chosen and categorized as urban (n = 5), suburban (n = 14), and rural (n ...

journal_title：Chemosphere

authors： Subpiramaniyam S,Boovaragamoorthy GM,Kaliannan T,Krishna K,Hong SC,Yi PI,Jang SH,Suh JM

更新日期：2021-02-01 00:00:00

abstract：:Microcosm experiments were conducted to examine Fenton reaction-driven degradation of three common herbicides exposed to a variety of Fe(2+)-H2O2 combinations that are likely to be encountered in natural water environments. The results show that these combinations had significant (P<0.05) effects on removing the water...

journal_title：Chemosphere

authors： Qin J,Li H,Lin C,Chen G

更新日期：2013-08-01 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：:This paper provides a circular win-win approach for recycling rhizofiltration biomass into multifunctional engineered biochar for various environmental applications (e.g. phosphate recovery) with a potential reuse of the exhausted biochar as an enriched soil amendment. Functionalized biochars were derived from the dis...

journal_title：Chemosphere

authors： Mosa A,El-Ghamry A,Tolba M

更新日期：2018-05-01 00:00:00

abstract：:Wet deposition and dry deposition samples were collected in an urban/industrialized area of Izmit Bay, North-eastern Marmara Sea, Turkey, from September 2002 to July 2003. The samples were analyzed for sixteen polycyclic aromatic hydrocarbon (PAH) compounds by using HPLC-UV technique. Wet and dry deposition concentrat...

journal_title：Chemosphere

authors： Pekey B,Karakaş D,Ayberk S

更新日期：2007-03-01 00:00:00

abstract：:Biofilm, fish, oyster, mussel, clam, surface seawater, suspended particulate matter (SPM), and sediment samples were collected from marine and/or estuarine waters of the west coast of India. These samples were analysed for butyltin derivatives such as dibutyltin (DBT) and tributyltin (TBT). The concentrations DBT plus...

journal_title：Chemosphere

authors： Bhosle NB,Garg A,Jadhav S,Harjee R,Sawant SS,Venkat K,Anil AC

更新日期：2004-11-01 00:00:00

abstract：:Phosphonate compounds are used in a wide variety of industrial and agricultural applications, and are commonly found in surface and ground waters. Adsorption to ferric hydroxide can have a significant effect on the transport and fate of phosphonate compounds in the environment. This research used density functional th...

journal_title：Chemosphere

authors： Martínez RJ,Farrell J

更新日期：2017-05-01 00:00:00

abstract：:The effect of arbuscular mycorrhiza on heavy metal uptake and translocation was investigated in Cannabis sativa. Hemp was grown in the presence and absence of 100 microg g-1 Cd and Ni and 300 microg g-1 Cr(VI), and inoculated or not with the arbuscular mycorrhizal fungus Glomus mosseae. In our experimental condition, ...

journal_title：Chemosphere

authors： Citterio S,Prato N,Fumagalli P,Aina R,Massa N,Santagostino A,Sgorbati S,Berta G

更新日期：2005-03-01 00:00:00

abstract：:In the present study, three kinds of biopolymers, PHBV, PHBV/starch and PHBV/bamboo powder (BP) blends were used as carbon source and biofilm carriers for denitrification in packed bed reactors to remove nitrate from groundwater. Results showed that a fast start-up was obtained in bioreactors filled with both PHBV/Sta...

journal_title：Chemosphere

authors： Chu L,Wang J

更新日期：2016-07-01 00:00:00

abstract：:In this study, we present new inorganic-organic hybrid particles and their possible application as an adsorbent for simultaneous removal of hydrophobic and hydrophilic pollutants from water. These hybrid particles were prepared using tailor-made alkoxysilane-functionalized amphiphilic polymer precursors (M-APAS), whic...

journal_title：Chemosphere

authors： Cho S,Kim N,Lee S,Lee H,Lee SH,Kim J,Choi JW

更新日期：2016-08-01 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：:The fate of spiked anthracene, pyrene and benzo[a]pyrene in soil with or without sewage sludge compost was assessed during a 6-month bioremediation process simulating landfarming. Bioassays and physico-chemical analyses were employed to monitor toxicity change in soil samples and elutriates through ten sampling campai...

journal_title：Chemosphere

authors： Hamdi H,Manusadzianas L,Aoyama I,Jedidi N

更新日期：2006-11-01 00:00:00

abstract：:The acid-base properties of humic acids (HAs) and fulvic acids (FAs) isolated from composted sewage sludge (CS), thermally-dried sewage sludge (TS), soils amended with either CS or TS at a rate of 80 t ha(-1)y(-1) for 3y and the corresponding unamended soil were investigated by use of potentiometric titrations. The no...

journal_title：Chemosphere

authors： Fernández JM,Plaza C,Senesi N,Polo A

更新日期：2007-09-01 00:00:00

abstract：:In the frame of a research project on microscopic distribution and speciation of geogenic thallium (Tl) from contaminated mine soils, Tl-bearing pyrite ore samples from Riotinto mining district (Huelva, SW Spain) were experimentally fired to simulate a roasting process. Concentration and volatility behavior of Tl and ...

journal_title：Chemosphere

authors： Lopez-Arce P,Garcia-Guinea J,Garrido F

更新日期：2017-08-01 00:00:00

abstract：:Trophic relationships and heavy metal transference in a coastal subtropical lagoon marine food web were investigated through the use of stable isotopes in food sources and biota. A selective extraction scheme was applied to the surface sediments as an indirect way to evaluate the potential of toxicity of metals. Resul...

journal_title：Chemosphere

authors： Jara-Marini ME,Soto-Jiménez MF,Páez-Osuna F

更新日期：2009-11-01 00:00:00

abstract：:Many uncertainties remain regarding the potential of bisphenol A (BPA) as a thyroid disruptor in mammals and the relevance of experimental data to humans. The relevance of the exposure schemes used in experimental in vivo studies is also a major source of uncertainty when analysing the risk of BPA exposure for human h...

journal_title：Chemosphere

authors： Guignard D,Gayrard V,Lacroix MZ,Puel S,Picard-Hagen N,Viguié C

更新日期：2017-09-01 00:00:00

abstract：:Using first-principles calculations, we investigated the changes in the lattice structure, electronic structures and catalytic performance for CO2 reduction reaction (CO2RR) of stanene under applied strain. Our calculations showed that the initial buckled honeycomb structure of free-standing stanene becomes increasing...

journal_title：Chemosphere

authors： Yang J,Johnson Goh KE,Yu ZG,Wong RE,Zhang YW

更新日期：2020-12-15 00:00:00

abstract：:The surface complexation model was applied to simulate the competitive complexation of Ni, Ca and Al with humic substances. The presence of two types of binding sites in humic acid, carboxylic and phenolic functional groups, were assumed at both low and high pH conditions. Potentiometric titrations were used to charac...

journal_title：Chemosphere

authors： Zhou P,Yan H,Gu B

更新日期：2005-03-01 00:00:00