Biodegradation of neonicotinoid insecticide, imidacloprid by restriction enzyme mediated integration (REMI) generated Trichoderma mutants.

abstract：:Bulk adsorbents for fast and deep removal of arsenic in water is highly demanded for practical treatment process, especially fixed-bed column process. In this study, a superior bulk adsorbent of porous Fe2O3 nanocubes-impregnated porous graphene aerogel (PGA/PFe2O3) is prepared using a simple template engineering. The...

journal_title：Chemosphere

authors： Yu X,Wei Y,Liu C,Ma J,Liu H,Wei S,Deng W,Xiang J,Luo S

更新日期：2019-05-01 00:00:00

abstract：:In this study we report on a three-stage design of algal assisted constructed wetland -microbial fuel cell incorporated sand filter for efficient treatment of wastewater and bioelectricity generation, simulating a core of it. It aims for the complete removal of organic matter and other inorganic pollutants such as NO3...

journal_title：Chemosphere

authors： Gupta S,Nayak A,Roy C,Yadav AK

更新日期：2021-01-01 00:00:00

abstract：:In this study the black worm Lumbriculus variegatus was tested for suitability as biomonitor for moderately contaminated sediments. The response capacity of the biotransformation system phase II enzyme glutathione-S-transferase (GST) and the oxidative defense enzyme catalase (CAT) to contaminated sediment and atrazine...

journal_title：Chemosphere

authors： Contardo-Jara V,Wiegand C

更新日期：2008-02-01 00:00:00

abstract：:Groundwater, used in this study, contaminated predominantly with aromatic compounds, was biologically treated in a fluidized-bed reactor (FBR) with immobilized cells. The aromatics were completely decomposed, while cis-1,2-dichloroethylene (cis-DCE) and trichloroethylene (TCE) were decomposed only approximately 20% an...

journal_title：Chemosphere

authors： Ohlen K,Chang YK,Hegemann W,Yin CR,Lee ST

更新日期：2005-01-01 00:00:00

abstract：:The metabolic thermogenesis curves of mitochondria isolated from Oryctolagus cuniculus domestica liver tissue have been determined by using an LKB-2277 bioactivity monitor. After isolation, mitochondria maintain activity when stored in appropriate nutrients. The thermokinetic equation: [formula: see text] was establis...

journal_title：Chemosphere

authors： Liu Y,Wang XQ,Xie CL,Qu SS,Deng FJ,Guo Y

更新日期：1996-07-01 00:00:00

abstract：:The effect of diethylstilbestrol (DES) on urethan-induced mouse lung tumorigenesis was assessed by a single intraperitoneal injecting of urethan (50 mg/kg) or/and multi intramuscular injecting of DES (5 or 50 mg/kg). All mice were sacrificed 18 weeks after administration, and the lung tumors were examined histopatholo...

journal_title：Chemosphere

authors： Jiang YG,Chen JK,Wu ZL

更新日期：2000-07-01 00:00:00

abstract：:Nanoscale zero-valent iron (nZVI) is an environmentally benign material that has been widely used as a reducing agent to treat environmental pollutants. In this study, nZVI was used as a heterogeneous Fenton catalyst in an nZVI/H2O2 system to remove pentachlorophenol (PCP) from water. The PCP degradation process in th...

journal_title：Chemosphere

authors： Cheng R,Cheng C,Liu GH,Zheng X,Li G,Li J

更新日期：2015-12-01 00:00:00

abstract：:Hydrogenotrophic denitrification is a promising technology for nitrate removal from organic-deficient wastewater or groundwater, and the attention of nitrous oxide (N2O) emission during this process is required. Both nitrite and free nitrous acid (FNA or HNO2) were reported to exert significant effects on N2O reductio...

journal_title：Chemosphere

authors： Wang Y,Li P,Zuo J,Gong Y,Wang S,Shi X,Zhang M

更新日期：2018-12-01 00:00:00

abstract：:During the growth period of economically cultured Sargassum fusiforme, offshore eutrophication and ammonium release from sediments, both induced by high temperatures, significantly affect the photosynthesis and growth of this seaweed. In the present study, S. fusiforme seedlings were treated with various ammonium-nitr...

journal_title：Chemosphere

authors： Hong M,Ma Z,Wang X,Shen Y,Mo Z,Wu M,Chen B,Zhang T

更新日期：2020-10-12 00:00:00

abstract：:Information on how cosolvents affect sorption of ionizable chemicals by soils with heterogeneous variable-charge mineral surface domains is sparse. In this study, the effect of soil-solution pH in methanol/water solutions on sorption of pentachlorophenol (PCP) by variable-charge soils with a range of hydrophilic (f Hp...

journal_title：Chemosphere

authors： Hyun S,Lee LS

更新日期：2008-01-01 00:00:00

abstract：:The pyrolysis of hydrocarbon-rich sludge in an oxygen-free environment can provide useful liquefaction products and residues. When applied to sewage sludge, energy and time costs are the major factors that affect the operation. Therefore, it is important to understand how the process is affected by temperature. The py...

journal_title：Chemosphere

authors： Chao CG,Chiang HL,Chen CY

更新日期：2002-10-01 00:00:00

abstract：:To examine the relationship between the nitro group orientation and photochemical degradation, a series of NPAHs, including 6-nitrochrysene, 9-nitroanthracene and 6-nitrobenzo(a)pyrene were irradiated both dissolved in CH3CN and adsorbed onto a surface (alumina, silica, carbon and cellulose). In solution, not all NPAH...

journal_title：Chemosphere

authors： Warner SD,Farant JP,Butler IS

更新日期：2004-02-01 00:00:00

abstract：:Swine sewage could be source of nutrients and pollutants. This work estimates the environmental risk in nine samples from different farm treatment systems based on the evaluation of their effects in Daphnia magna acute test, and on the assessment of Cu, Zn and ammonia as main contributors. NH3 and Cu were responsible ...

journal_title：Chemosphere

authors： De la Torre AI,Jiménez JA,Carballo M,Fernandez C,Roset J,Muñoz MJ

更新日期：2000-11-01 00:00:00

abstract：:Electrodialysis self-reversal (EDR) technology has attracted in the treatment of water for domestic and industrial uses. The self-reversal consists of a frequent reversal of the direction of current between the EDR-cell electrodes to combat fouling of ion exchange membranes (IEMs). Irrespective of the EDR self-cleanin...

journal_title：Chemosphere

authors： Hansima MACK,Makehelwala M,Jinadasa KBSN,Wei Y,Nanayakkara KGN,Herath AC,Weerasooriya R

更新日期：2021-01-01 00:00:00

abstract：:The correlations between polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) releases and factors relevant to human social-economic activities (HSEAs) were analyzed. The multiple linear regression model was successfully developed to estimate the total global PCDD/F release. The PCDD/F releases significantly ...

journal_title：Chemosphere

authors： Wang B,Fiedler H,Huang J,Deng S,Wang Y,Yu G

更新日期：2016-05-01 00:00:00

abstract：:The photoreactions of selected azaarenes with nitrate and nitrite ions were investigated under irradiation at lambda = 313 nm. The excitation of both anions leads to several photochemical reactions forming mainly hydroxyl radicals and nitrogen oxides. The purification capability of natural waters i.e. the oxidation of...

journal_title：Chemosphere

authors： Beitz T,Bechmann W,Mitzner R

更新日期：1999-01-01 00:00:00

abstract：:Cadmium-mediated microRNAs have become a heavily researched topic. Few studies mention the regulation of autophagy by cadmium through microRNAs, especially regarding poultry. The kidney is one of the organs most severely affected by cadmium, as it is involved in the accumulation of metal ions; causing such types of da...

journal_title：Chemosphere

authors： Shi Q,Jin X,Fan R,Xing M,Guo J,Zhang Z,Zhang J,Xu S

更新日期：2019-01-01 00:00:00

abstract：:This study investigated the acute and sub-acute toxicity responses in zebrafish following their exposure to hydroxyapatite-loaded cadmium nanoparticles (nHAP-Cd). The results indicate that cadmium chloride (Cd2+), 20 nm nHAP-Cd (nHAP20-Cd), and 40 nm nHAP-Cd (nHAP40-Cd) caused toxicity in zebrafish; the toxicity level...

journal_title：Chemosphere

authors： Gao M,Yang Y,Lv M,Song W,Song Z

更新日期：2018-07-01 00:00:00

abstract：:Ciprofloxacin (CIP), as an extensively used antibiotic, has been widely detected at a high level in the environment and has raised environmental pollution concerns. Thus, efficient and cost-effective methods for CIP degradation are highly desired. Biologically produced manganese oxides (BioMnOx) offer a promising pers...

journal_title：Chemosphere

authors： Zhou NQ,Liu DF,Min D,Cheng L,Huang XN,Tian LJ,Li DB,Yu HQ

更新日期：2018-11-01 00:00:00

abstract：:Recently, a new sampling device combining active and passive sampling (APS) was developed for the measurement of time-averaged concentrations of metal species and both polar and non-polar organic contaminants in water. By coupling a diffusion cell (loaded with a set of sorbents selective for different substances) with...

journal_title：Chemosphere

authors： Amato ED,Nguyen DT,Subotic D,Hereijgers J,Breugelmans T,Weyn M,Dardenne F,Bervoets L,Covaci A,Town RM,Blust R

更新日期：2019-12-01 00:00:00

abstract：:In this study, we investigated the concentrations of Fukushima nuclear power plant accident (FNPPA)-derived radiocesium (134Cs, 137Cs) deposited in the topsoil of Jeju Island, Korea. We also evaluated the soil inventories of radionuclides and compared the concentrations deposited by rainwater and fallout. We present t...

journal_title：Chemosphere

authors： Kang TW,Han YU,Na EH,Koo BJ,Park WP

更新日期：2021-02-01 00:00:00

abstract：:Atrazine (ATZ) and its main metabolites, i.e., diaminochlorotriazine (DACT), deisopropylatrazine (DIP), and deethylatrazine (DE), have been widely detected in surface water around the world. In the present study, to determine their immunotoxic effects, zebrafish during the early developmental stage were exposed to ATZ...

journal_title：Chemosphere

authors： Liu Z,Fu Z,Jin Y

更新日期：2017-01-01 00:00:00

abstract：:A novel and economic sequential process consisting of precipitation, adsorption, and oxidation was developed to remediate actual rare-earth (RE) wastewater containing various toxic pollutants, including radioactive species. In the precipitation step, porous air stones (PAS) containing waste oyster shell (WOS), PASWOS,...

journal_title：Chemosphere

authors： Cui M,Jang M,Kang K,Kim D,Snyder SA,Khim J

更新日期：2016-02-01 00:00:00

abstract：:The residue of phthalate acid esters (PAEs) in plastic film greenhouses had become a global concern environmental pollution problem. However, few studies have focused on the occurrence and fate of PAEs in the soil-air interface of the greenhouses. In this study, the occurrence, health risks, and soil-air exchange of P...

journal_title：Chemosphere

authors： Li Y,Wang J,Yang S,Zhang S

更新日期：2020-11-06 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：:Conventional target analysis of biological samples such as blood limits our ability to understand mixture effects of chemicals. This study aimed to establish a rapid passive sampling technique using the polymer polydimethylsiloxane (PDMS) for exhaustive extraction of mixtures of neutral organic chemicals accumulated i...

journal_title：Chemosphere

authors： Jin L,Escher BI,Limpus CJ,Gaus C

更新日期：2015-11-01 00:00:00

abstract：:Twenty-four surficial sediment samples, representing different environments within the Venice Lagoon, were analyzed for polychlorinated biphenyls (PCBs) in order to assess degrees of pollution, sources, areal distribution, and potential risk for the environment. Concentrations in surficial sediments range from 2 to mo...

journal_title：Chemosphere

authors： Frignani M,Bellucci LG,Carraro C,Raccanelli S

更新日期：2001-05-01 00:00:00

abstract：:The presence of trace levels of organic contaminants in the environment is currently an environmental concern. When these contaminants are subjected to environmental transformations, environmental transformation products (ETPs) are obtained, whose structures often remain unknown. The absence of information concerning ...

journal_title：Chemosphere

authors： Laurencé C,Rivard M,Martens T,Morin C,Buisson D,Bourcier S,Sablier M,Oturan MA

更新日期：2014-10-01 00:00:00

abstract：:In this study, activated petroleum coke (APC) and commercial activated carbon (CAC) were used in a continuous adsorption column for removal of model naphthenic acids and organics from real oil sands process-affected water (OSPW). Diphenylacetic acid and 2-naphthoic acid, two model naphthenic acid (NA) compounds, were ...

journal_title：Chemosphere

authors： Niasar HS,Das S,Xu CC,Ray MB

更新日期：2019-01-01 00:00:00

abstract：:A poly(l-serine)-modified glassy carbon electrode (PLS/GCE) was fabricated by electropolymerization and used to study the detection of naproxen (NPX), a representative non-steroidal anti-inflammatory drug, in phosphate buffer supporting electrolyte at pH 5.0. Results indicated that the PLS/GCE was capable of determina...

journal_title：Chemosphere

authors： Hung CM,Huang CP,Chen SK,Chen CW,Dong CD

更新日期：2020-09-01 00:00:00