Molecular characterization of 2-chlorobiphenyl degrading Stenotrophomonas maltophilia GS-103.

abstract：:The accumulation of zinc (Zn) in Cichorium intybus and effects of phytotoxicity during 90 days of growth on (natural) non-contaminated and Zn-contaminated soils were studied. The phytotoxicity effects were monitored by evaluating the leaf area, leaf biomass, leaf length and root length of the vegetable. The Zn concent...

journal_title：Bulletin of environmental contamination and toxicology

authors： Wolf M,Paulino AT

更新日期：2020-09-01 00:00:00

abstract：:The total mercury (Hg) content of the soft tissues of cultured oysters of the genus Crassostrea obtained during the dry and rainy seasons at sampling sites of NW Mexico with different degrees of urbanization, was determined by cold vapor atomic absorption spectrophotometry. Hg levels ranged from 0.05 to 0.37 µg/g (dry...

journal_title：Bulletin of environmental contamination and toxicology

authors： Delgado-Álvarez CG,Ruelas-Inzunza J,Osuna-López JI,Voltolina D,Frías-Espericueta MG

更新日期：2015-02-01 00:00:00

abstract：:The current study investigated the efficiency of sepiolite (SE), sodium humate (HS), microbial fertilizer (JF) and SE combined with JF/HS in a ratio of 2:1 (w/w) (JF-2SE and HS-2SE) on Cd, Pb and As bioavailability in field trials with rice (Oryza sativa L.). The results showed that all the amendments remarkably decre...

journal_title：Bulletin of environmental contamination and toxicology

authors： Nong X,Zhang C,Chen H,Rong Q,Gao H,Jin X

更新日期：2020-08-01 00:00:00

abstract：:Amelioration of mine soil is challenging because of the lack of biologically active organic matter. The study was aimed to recycle yard waste into compost and biochar and to use them to reclaim mine soil. Biochar prepared at 350 °C showed the highest stable organic matter yield index and was used for the experiments. ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Mukhopadhyay S,Masto RE,Singh AK,Singh PK

更新日期：2020-10-06 00:00:00

abstract：:The study delineates the effect of repeated application of butachlor to rice crop from 1997 onwards. Additionally, in 2014 and 2015, dissipation kinetics of butachlor in soil was studied under field and laboratory conditions. The average recovery of butachlor for soil, rice grain and rice straw ranged between 80.3%-93...

journal_title：Bulletin of environmental contamination and toxicology

authors： Kaur P,Randhawa SK,Duhan A,Bhullar MS

更新日期：2017-06-01 00:00:00

abstract：:Visible injury to apple foliage from exposure to ozone includes brown stippling on lower leaf surfaces and a light yellow mosaic on upper surfaces. Histologically, chlorophyll is destroyed and palisade and spongy mesophyll cells collapse following disintegration of their protoplasm. Foliar spray applications of the an...

journal_title：Bulletin of environmental contamination and toxicology

authors： Elfving DC,Gilbert MD,Edgerton LJ,Wilde MH,Lisk DJ

更新日期：1976-03-01 00:00:00

abstract：:To investigate the concentration and congener patterns of polybrominated diphenyl ethers (PBDE) in outdoor air from farmland area, air samples were collected using passive and active sample methods from April to November 2012, in an e-waste dismantling town in the Guangzhou region of South China. The sum of gaseous an...

journal_title：Bulletin of environmental contamination and toxicology

authors： Jiao X,Wang Y,Chen S,Liu J,Tian Q,Hou L,Lu G,Yang Y

更新日期：2018-03-01 00:00:00

abstract：:The TiO₂-system powders were investigated with respect to the crystallinity and the microstructure. The biocidal activity increased from TiO₂ to binary MnOx-TiO₂ to ternary MnOx-WO₃-TiO₂ against Vibrio fischeri as a model of Gram-negative bacteria. Anatase and rutile TiO₂ were not toxic even at 200 mg/L, but anatase h...

journal_title：Bulletin of environmental contamination and toxicology

authors： Shin B,Kim S,Lee H,Park H

更新日期：2013-08-01 00:00:00

abstract：:In order to solve environmental problems resulting from ammonia released into the atmosphere, the emission of ammonia contamination from monosodium glutamate (MSG) production was quantitatively observed, and the relationships with relevant influencing factors (ammonium-N, nitrate/nitrite-N and pH) were statistically a...

journal_title：Bulletin of environmental contamination and toxicology

authors： Liu R,Zhou Q

更新日期：2010-09-01 00:00:00

abstract：:Using several extraction methods including the QuEChERS approach, samples of both model and natural sediments were prepared. For the isolation of the target group of pesticides, two variants of two complementary extractions had to be used. Resulting extracts were analysed with LC/MS/MS. Selected methods furnishing the...

journal_title：Bulletin of environmental contamination and toxicology

authors： Kvíčalová M,Doubravová P,Jobánek R,Jokešová M,Očenášková V,Süssenbeková H,Svobodová A

更新日期：2012-07-01 00:00:00

abstract：:A rapid, sensitive and reliable analytical method for thidiazuron residues in apple and soil was established. The residual levels of the pesticide in apple and soil were determined by high performance liquid chromatography (HPLC) with UV detector. Samples of apple and soil were extracted with acetonitrile-water soluti...

journal_title：Bulletin of environmental contamination and toxicology

authors： Hu JY,Hu YQ,Chen Y,Yang T

更新日期：2011-10-01 00:00:00

abstract：:We report the results of long term bio-assays on microorganism colonization of mine tailings samples, taken from the Valenciana mine tailings (Guanajuato, Mexico), under stable laboratory conditions (humidity, temperature, light exposure). In order to identify the main metabolic groups of the potentially colonizing mi...

journal_title：Bulletin of environmental contamination and toxicology

authors： García-Meza JV

更新日期：2008-01-01 00:00:00

abstract：:Knowledge of lethal and sublethal effects of crude oil and dispersants on mesozooplankton are important to understanding ecosystem impacts of oil spills in marine environments. Here we (1) establish median lethal concentrations for water accommodated fractions of Corexit EC9500A dispersant, MC-252 crude oil (WAF), and...

journal_title：Bulletin of environmental contamination and toxicology

authors： Cohen JH,McCormick LR,Burkhardt SM

更新日期：2014-04-01 00:00:00

abstract：:Soils in three horizons from a naturally heavy metals enriched region were distributed into six size aggregates (> 2, 2-1, 1-0.6, 0.6-0.25, 0.25-0.053, < 0.053 mm) to determine the relationships of heavy metals (Cd, Cu, Mn and Pb) and iron oxides. The results showed that the percentage of microaggregates (size < 0.25 ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Shen Q,Demisie W,Zhang S,Zhang M

更新日期：2020-01-01 00:00:00

abstract：:In the present study, zebrafish embryos were used to assess the neurotoxicity of di-n-butyl phthalate (DBP), diethyl phthalate (DEP) and their mixture. Four-hour post-fertilization (hpf) zebrafish embryos were exposed to various concentrations of DBP, DEP and their mixture (DBP-DEP) until 96 hpf. The transcriptions le...

journal_title：Bulletin of environmental contamination and toxicology

authors： Xu H,Shao X,Zhang Z,Zou Y,Chen Y,Han S,Wang S,Wu X,Yang L,Chen Z

更新日期：2013-12-01 00:00:00

abstract：:Prolonged use of biosolids with high metal content may result in diffuse pollution across large regions, especially if such ions can move freely through the soil profile and reach underground water sources. The objective of this study was to verify whether Cr added to the soil surface in the form of hydrolysed leather...

journal_title：Bulletin of environmental contamination and toxicology

authors： Bavaresco J,Fink JR,Rodrigues ML,Gianello C,Barrón V,Torrent J

更新日期：2016-12-01 00:00:00

abstract：:Joint toxicity of Pb2+, Cr3+, Co2+ and Ni2+ toward Photobacterium phosphoreum (Ph. phosphoreum) at the no observed effect concentration (NOEC) was determined through a factorial experiment. A neural network model was designed according to experimental results and employed for toxicity prediction of unary, binary, tern...

journal_title：Bulletin of environmental contamination and toxicology

authors： Zeng Y,Wang L,Jiang L,Cai X,Li Y

更新日期：2015-08-01 00:00:00

abstract：:The concentrations of nine heavy metals (Cr, Cd, Pb, Ni, Cu, Zn, Mn, As and Fe) in the muscle tissue of four fish species (Oreochromis niloticus, Clarias gariepinus, Poecilia latipinna and Aphanius dispar dispar) collected from Wadi Hanifah were detected in two different seasons. The concentrations of the studied heav...

journal_title：Bulletin of environmental contamination and toxicology

authors： Mahboob S,Al-Balawi HF,Al-Misned F,Al-Quraishy S,Ahmad Z

更新日期：2014-01-01 00:00:00

abstract：:The aim of the study was to evaluate acute toxic effects of the preparation Sencor 70 WG (metribuzin 70% W/V) on hematological, biochemical indices and histology of the common carp (Cyprinus carpio L.). In carp exposed for 96 h to Sencor 70 WG in the concentration of 250.2 mg/L, showed significantly lower (p<0.01) val...

journal_title：Bulletin of environmental contamination and toxicology

authors： Velisek J,Svobodova Z,Piackova V,Sudova E

更新日期：2009-04-01 00:00:00

abstract：:The Permeable Reactive Barriers (PRBs) are relatively simple, promising technology for groundwater remediation. A PRBs consisting of two reactive barriers (zero valent iron-barrier and bio-barrier) were designed to evaluate the application and feasibility of the barriers for the removal of wide range of pollutants fro...

journal_title：Bulletin of environmental contamination and toxicology

authors： Lee JY,Lee KJ,Youm SY,Lee MR,Kamala-Kannan S,Oh BT

更新日期：2010-02-01 00:00:00

abstract：:The long-term impact of prenatal methylmercury (MeHg) exposure on the stress response during active learning was investigated. Pregnant rats were gavage fed MeHg (8 mg/kg) on gestational day 15. Ninety-day-old rats born to both MeHg- and saline-treated dams were subjected to an active avoidance test. The active avoida...

journal_title：Bulletin of environmental contamination and toxicology

authors： Carratù MR,Coluccia A,Modafferi AM,Borracci P,Scaccianoce S,Sakamoto M,Cuomo V

更新日期：2008-12-01 00:00:00

abstract：:Effluents from on-site wastewater treatment systems can influence surface water quality, particularly when infrastructure is aging, malfunctioning, and improperly installed. Municipal wastewater often contains chemical compounds that can lead to adverse biological effects, such as reproductive impairment, in organisms...

journal_title：Bulletin of environmental contamination and toxicology

authors： Franco ME,Stroski KM,Sims JL,Burket SR,Ashcroft C,Luers M,Brooks BW,Lavado R

更新日期：2020-11-01 00:00:00

abstract：:Soil mercury concentrations at a typical small-scale mine site in the Bolivian Andes were elevated (28-737 mg/kg or ppm) in localized areas where mercury amalgams were either formed or vaporized to release gold, but was not detectable beyond approximately 10 m from its sources. Arsenic was measurable, exceeding known ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Johnson GD,Pavilonis B,Caravanos J,Grassman J

更新日期：2018-02-01 00:00:00

abstract：:In order to reduce health risks from residual pesticides in herbal drug products, the residue information of pesticides should be acquired. Therefore, 38 commodities (229 herbal crude drug materials) were analyzed for 44 different pesticides. Among the 229 samples (36 types of herbal crude drugs), seven imported and t...

journal_title：Bulletin of environmental contamination and toxicology

authors： Oh CH

更新日期：2007-05-01 00:00:00

abstract：:Mercury accumulation was investigated by constructing and testing empirical equations based on mercury in soil (C(s)) and in 10 terrestrial insects (C(i)). C(s) ranged from 0.13 to 41.01 mg/kg. C(i) differed with species and the highest was found in dragonfly. C(s) and C(i) showed a good linear fit, and a simple equat...

journal_title：Bulletin of environmental contamination and toxicology

authors： Zhang Z,Song X,Wang Q,Lu X

更新日期：2012-07-01 00:00:00

abstract：:Our purpose was to detect, isolate and characterize tensioactive agents with or without emulsifying activity from marine bacterial strains present in seawater and sediment samples from the Venezuelan Atlantic Front. Biosurfactants found in cell-free supernatants from all cultures presented high surface activity as the...

journal_title：Bulletin of environmental contamination and toxicology

authors： Bozo-Hurtado L,Rocha CA,Malavé R,Suárez P

更新日期：2012-11-01 00:00:00

abstract：:Earthworms are bioindicators of soil pollution. The ecotoxicity of tailings from selected gold mines in South Africa was investigated utilizing Eisenia andrei bioassays and biomarkers. Samples were obtained from unrehabilitated, rehabilitated and naturally vegetated sites. Biomass, neutral red retention time (NRRT), s...

journal_title：Bulletin of environmental contamination and toxicology

authors： Maboeta MS,Oladipo OG,Botha SM

更新日期：2018-05-01 00:00:00

abstract：:Based on the acid rain and concurrent meteorological observational data during the past 10 years in Fujian Province, China, the dependence of distribution characteristics of acid rain on season, rain rate, weather pattern and dominant airflow in four regions of Fujian Province is analyzed. On the annual average, the a...

journal_title：Bulletin of environmental contamination and toxicology

authors： Cai YY,Lin CC,Liu JX,Wu DH,Lian DY,Chen BB

更新日期：2010-05-01 00:00:00

abstract：:Concentrations of lead (Pb), copper (Cu), zinc (Zn), and cadmium (Cd) were evaluated in the sediments, roots and leaves of a mangrove species (Avicennia marina) in Las Piñas-Parañaque Critical Habitat and Ecotourism Area (LPPCHEA), Manila Bay. The concentrations showed a general pattern of Zn > Pb > Cu > Cd in sedimen...

journal_title：Bulletin of environmental contamination and toxicology

authors： Gabriel AV,Salmo SG 3rd

更新日期：2014-12-01 00:00:00

abstract：:To investigate the biomagnification factor (BMF) of EDCs by the polychaete, Perinereis nuntia, organisms were exposed to EDCs through their diet. BMF values ranged from 0.001 to 0.028 indicating that EDCs were not biomagnified. Elimination rates were (0.20-0.25 day(-1)) and were higher than uptake rate (0.0003-0.003 d...

journal_title：Bulletin of environmental contamination and toxicology

authors： Nurulnadia MY,Koyama J,Uno S,Kokushi E,Bacolod ET,Ito K,Chuman Y

更新日期：2013-10-01 00:00:00