Analysis of chlorpyrifos agricultural use in regions of frequent surface water detections in California, USA.

abstract：:beta-Cypermethrin (beta-CP) and beta-Cyfluthrin (beta-CF) are two important pyrethroid insecticides and both consist of two enantiomeric pairs (diastereomers), i.e. four enantiomers. In this study, the stereo and enantioselective degradation of beta-CP and beta-CF in a Tianjin alkaline soil was studied in details by a...

journal_title：Bulletin of environmental contamination and toxicology

authors： Li ZY,Zhang ZC,Zhang L,Leng L

更新日期：2008-04-01 00:00:00

abstract：:Average initial deposits of flubendiamide on chili were found to be 1.06 and 2.00 mg kg(-1), respectively, following two applications of flubendiamide 480SC at 60 and 120 g a.i. ha(-1) at 10 days interval. More than 80% of flubendiamide residues dissipated just after 3 days of the last application at both the dosages....

journal_title：Bulletin of environmental contamination and toxicology

authors： Sahoo SK,Sharma RK,Battu RS,Singh B

更新日期：2009-09-01 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：:The metal pollution in Sediments and Avicenna marina tissues in the Hara Biosphere Reserve was monitored for Lead (Pb), Cadmium (Cd), and Nickel (Ni) with atomic absorption spectrometer. The results showed that the mean concentration of Pb, Cd, and Ni in the water and sediments were much higher than the recommended th...

journal_title：Bulletin of environmental contamination and toxicology

authors： Nowrouzi M,Pourkhabbaz A,Rezaei M

更新日期：2012-10-01 00:00:00

abstract：:The lower Melet River is a drinking water source that is surrounded by hazelnut grove, agricultural lands, resulting in the accumulation of genotoxic agents such as mining activities, various domestic and agricultural wastes. Therefore, it receives many domestic and agricultural wastes that contain the genotoxic agent...

journal_title：Bulletin of environmental contamination and toxicology

authors： Kontaş S,Bostancı D

更新日期：2020-06-01 00:00:00

abstract：:This study shows the effect of soil type and temperature on the adsorption and desorption behaviour of pendimethalin using a batch equilibration technique. Adsorption kinetics followed pseudo-second-order-model (R2 > 0.99). The shape of adsorption curve for studied soils was S-type at 30 and 40°C and L-type at 50°C. T...

journal_title：Bulletin of environmental contamination and toxicology

authors： Kaur P,Makkar A,Kaur P,Shilpa

更新日期：2018-01-01 00:00:00

abstract：:Using a groundwater flow and mass transport model, this study compared the capability of trenches with permeable backfill for capturing hypothetical contaminant plumes in homogeneous and heterogeneous unconfined aquifers. Longitudinal (parallel to groundwater flow), as well as conventional transverse (perpendicular to...

journal_title：Bulletin of environmental contamination and toxicology

authors： Hudak PF

更新日期：2010-04-01 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：:Behavior of the mosquitofish (Gambusia affinis) toward the Japanese medaka (Oryzias latipes) was tested under exposure to environmental 17α-ethinylestradiol (EE2), a synthetic derivative of natural estrogen, estradiol. The mosquitofish were exposed to EE2 at different concentrations-0, 0.5, 5.0, and 50.0 ng/L-for 2 da...

journal_title：Bulletin of environmental contamination and toxicology

authors： Dang HM,Inagaki Y,Yamauchi Y,Kurihara T,Vo CH,Sakakibara Y

更新日期：2017-05-01 00:00:00

abstract：:Pattern of arsenic bioaccumulation in six organ systems (blood, brain, gills, liver, muscles and skin) of Clarias batrachus was analysed following exposure to sublethal (1 mg L(-1); 5% of 96 h LC(50) value) concentration of sodium arsenite. After 60 days of treatment the liver accumulated highest concentration (9.711 ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Kumar R,Banerjee TK

更新日期：2012-09-01 00:00:00

abstract：:Persistence of two neonicotinoids viz thiacloprid and acetamiprid in soil as affected by UV and sunlight exposure was studied. Treated soil was placed in petri-plates, brought to field capacity moisture and then exposed to UV and sunlight. Dissipation for both the pesticides followed monophasic first order kinetics un...

journal_title：Bulletin of environmental contamination and toxicology

authors： Gupta S,Gajbhiye VT,Gupta RK

更新日期：2008-08-01 00:00:00

abstract：:Antibiotics in manure, soil, wastewater, and groundwater samples from the livestock and poultry farms in Xuzhou City were investigated in the present study. The concentrations of antibiotics in all matrices varied greatly among farms. Total concentrations of fluoroquinolones and macrolides were much higher than those ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Gu D,Feng Q,Guo C,Hou S,Lv J,Zhang Y,Yuan S,Zhao X

更新日期：2019-10-01 00:00:00

abstract：:Gaseous elemental mercury (GEM) concentrations were determined within an academic chemistry building by cold vapor atomic fluorescence spectrometry. Concentrations varied depending on the room activity, with night time and weekend levels the lowest and most stable (typically between 10 and 20 ng/m(3)), and daytime wee...

journal_title：Bulletin of environmental contamination and toxicology

authors： Cizdziel JV,Jiang Y

更新日期：2011-04-01 00:00:00

abstract：:The sorption of radium 226 ((226)Ra) on different clay materials (bentonite, illite and a mixture of bentonite-illite) was studied. Clay materials are used in the construction of disposal pits for technically enhanced naturally occurring radioactive materials (TENORM) wastes (i.e., contaminated soil and sludge) genera...

journal_title：Bulletin of environmental contamination and toxicology

authors： Alhajji E,Al-Masri MS,Khalily H,Naoum BE,Khalil HS,Nashawati A

更新日期：2016-08-01 00:00:00

abstract：:Selenium is a trace element necessary for the growth of organisms. Moreover, selenium supplementation can improve the immunity and fertility of the body, as well as its ability to resist oxidation, tumors, heavy metals, and pathogenic microorganisms. However, owing to the duality of selenium, excessive selenium supple...

journal_title：Bulletin of environmental contamination and toxicology

authors： Lv Q,Liang X,Nong K,Gong Z,Qin T,Qin X,Wang D,Zhu Y

更新日期：2021-01-09 00:00:00

abstract：:This study aimed to find the association between urinary aflatoxin M(1) level and milk and dairy products consumption. Of 160 morning urine samples collected, aflatoxin M(1) was detected in 61.3 % samples (n = 98) [mean ± SD = 0.0234 ± 0.0177 ng/mL; range = 0-0.0747 ng/mL]. Of these positive samples, 67.3 % (n = 66) h...

journal_title：Bulletin of environmental contamination and toxicology

authors： Mohd Redzwan S,Rosita J,Mohd Sokhini AM,Nurul Aqilah AR

更新日期：2012-12-01 00:00:00

abstract：:The levels of persistent organic pollutants (POPs) were analyzed in muscle, liver and gills of masu salmon caught in northern Japan. Liver is known to be a major pool site for POPs but there is not much information regarding accumulation of POPs in gills. The salmon were caught at the end of the feeding migration, and...

journal_title：Bulletin of environmental contamination and toxicology

authors： Oka M,Arai T,Shibata Y,Miyazaki N

更新日期：2009-09-01 00:00:00

abstract：:We found selenium dixoide an effective antagonist to the toxic effects of mercuric chloride in the northern creek chub (Semotilus atromaculatus). Selenium pretreatment increased the whole body accumulation of mercury at lower environmental Hg concentrations. It decreased mercury accumulation in survivors at higher, ac...

journal_title：Bulletin of environmental contamination and toxicology

authors： Kim JH,Birks E,Heisinger JF

更新日期：1977-02-01 00:00:00

abstract：:The present investigation aimed to analyze PBDE and PCB contamination in mussels (Perna perna) and two commercially important fish species, croaker (Micropogonias furnieri) and mullet (Mugil liza), in the Guanabara Bay, the most important Brazilian estuary, by gas chromatography coupled to mass spectrometry, in order ...

journal_title：Bulletin of environmental contamination and toxicology

authors： da Silva SF,Brüning IM,Montone RC,Taniguchi S,Cascaes MJ,Dias PS,Lavandier RC,Hauser-Davis RA,Moreira I

更新日期：2013-09-01 00:00:00

abstract：:Residues were analyzed in the fat of yearlings after exposure on pasture to continuous protection from horn flies with spray treatments of DDT. Eleven applications of 2 quarts of a 0.25 per cent suspension per head produced total residues of DDT, TDE and DDE that exceeded the acceptable tolerance of 7 p.p.m. when anim...

journal_title：Bulletin of environmental contamination and toxicology

authors： Haufe WO,Morley HV

更新日期：1970-09-01 00:00:00

abstract：:Sixteen priority polycyclic aromatic hydrocarbons (PAHs) were measured in six stations in Karaj River, which is the main resource of drinking water in Tehran. The single PAHs concentrations ranged from not detected to 2,327.8 ng L(-1), with a mean value of 31.5 ng L(-1). The total PAHs concentrations ranged from 25.6,...

journal_title：Bulletin of environmental contamination and toxicology

authors： Karyab H,Nasseri S,Ahmadkhaniha R,Rastkari N,Mahvi AH,Nabizadeh R,Yunesian M

更新日期：2014-01-01 00:00:00

abstract：:Effects of toxaphene were studied with the ventral nerve cord (VNC) of the cockroach, Periplaneta americana (L). Intense forms of activity were observed in isolated nerve preparations treated with toxaphene. Latent periods between introduction of toxaphene and onset of intense activity decreased as the concentrations ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Dary CC,Crowder LA

更新日期：1979-03-01 00:00:00

abstract：:The mean particulate polybrominated dibenzo-p-dioxins/furans (PBDD/Fs) levels for Guangzhou were in the range of 225-2244 fg/m(3) and showed the spatial trend of background < suburb areas < urban area < industrial area, suggesting the industrial and urban sources of PBDD/Fs. The most abundant congeners were 2,3,7,8-TB...

journal_title：Bulletin of environmental contamination and toxicology

authors： Li H,Zhou L,Mo L,Peng P,Sheng G,Fu J,Yu Z

更新日期：2011-08-01 00:00:00

abstract：:The adsorption of contaminants plays an important role in the process of their elimination from a polluted environment. This work describes the issue of loading environment with lead Pb(II) and the resulting negative impact it has on plants and living organisms. It also focuses on bentonite as a natural adsorbent and ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Hegedűsová A,Hegedűs O,Tóth T,Vollmannová A,Andrejiová A,Šlosár M,Mezeyová I,Pernyeszi T

更新日期：2016-12-01 00:00:00

abstract：:Residues of cypermethrin and decamethrin were estimated in brinjal fruits by gas liquid chromatography following single application of Cymbush 25 EC @ 43.75 and 87.50 g a.i./ha and of Decis 2.8 EC @ 11.20 and 22.40 g a.i./ha at fruiting stage. The average initial deposits of cypermethrin 0.600 and 1.095 mg kg(-1) and ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Kaur P,Yadav GS,Chauhan R,Kumari B

更新日期：2011-12-01 00:00:00

abstract：:Results of these studies demonstrate that the blue crab was readily able to take up and discharge labeled n-alkanes, but it was not able to metabolize them. In contrast, it appears that n-alkanes taken up via the digestive tract in mullet are readily metabolized, probably via microorganisms in the gut. More limited me...

journal_title：Bulletin of environmental contamination and toxicology

authors： Geiszler PC,Grantham BJ,Blomquist GJ

更新日期：1977-04-01 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：:Biodiesel is promoted as environmentally less harmful than diesel fuel. Nevertheless its water-soluble-fraction (WSF) may contain methanol, which appears by a reversion of the transesterification reaction, when biodiesel contacts water. This paper evaluated the loss of the lysosomal membrane integrity in liver homogen...

journal_title：Bulletin of environmental contamination and toxicology

authors： da Cruz AC,Leite MB,Rodrigues LE,Nascimento IA

更新日期：2012-08-01 00:00:00

abstract：:This study was conducted to determine the concentration of 16 polycyclic aromatic hydrocarbons (PAHs) in sandstorm depositions in Beijing, China. The PAH concentrations in 13 samples collected in Beijing ranged from 0.18 to 3.52 microg g(-1). Analysis of the sources of contamination revealed that the PAHs were derived...

journal_title：Bulletin of environmental contamination and toxicology

authors： Fu S,Li K,Xia XJ,Xu XB

更新日期：2009-02-01 00:00:00

abstract：:The toxic effects of buprofezin on Daphnia magna after both chronic and acute exposures were evaluated according to OECD guidelines. A 48-h acute exposure of buprofezin resulted in daphnid immobility at an EC(50) of 0.44 mg/L. In a 14 days chronic exposure of buprofezin (0, 0.025, 0.05, 0.10 and 0.15 mg/L), the develo...

journal_title：Bulletin of environmental contamination and toxicology

authors： Liu Y,Qi S,Zhang W,Li X,Qiu L,Wang C

更新日期：2012-11-01 00:00:00