Monitoring of organophosphorus pesticide residues in vegetables of agricultural area in Venezuela.

abstract：:The lead content of whole blood of 62 sheep grazed continuously for 6 months near a major highway was compared with 38 sheep from a nearby uncontaminated area. Mean values of 0.90 and 0.20 microgram/ml were obtained. Four sheep from the contaminated area were placed in an uncontaminated paddock and the lead content of...

journal_title：Bulletin of environmental contamination and toxicology

authors： Ward NI,Brooks RR,Roberts E

更新日期：1978-07-01 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：:The objective of the study was to evaluate the toxicity of trace elements to earthworms (Eisenia fetida) in recreational and military shooting range soils. The earthworms were exposed to soils; then mortality, growth, and reproduction endpoints were determined. In the recreational shooting range, the total Pb concentr...

journal_title：Bulletin of environmental contamination and toxicology

authors： Sujetovienė G,Česynaitė J

更新日期：2019-10-01 00:00:00

abstract：:A liquid chromatography-mass spectrometry method was developed for the simultaneous determination of ronidazole (RNZ), metronidazole (MNZ) and dimetridazole (DMZ) residues in swine liver. Following liquid-liquid extraction, the HLB solid-phase extraction was used for further purification. The targets were detected by ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Wang H,Wang Z,Liu S,Jiang Y,Wu Y,Shan J

更新日期：2009-04-01 00:00:00

abstract：:Radiometric measurements were taken in a small area of Pernambuco, Brazil, with the objective of monitoring the radium of the soil. For this, 78 soil samples were collected. The gamma analyses of the samples were carried out using HPGe. The values obtained for the (226)Ra varied from 14 to 367 Bqkg(-1) and for the (22...

journal_title：Bulletin of environmental contamination and toxicology

authors： Santos Júnior JA,Amaral RS,Silva CM,Menezes RS,Bezerra JD

更新日期：2009-06-01 00:00:00

abstract：:In contrast to aquatic vertebrates, there is scarce available information on the contrasting tolerance to fluoride of different life stages and/or sizes of aquatic invertebrates. The purpose of this study was to assess the likely differences in sensitivity between juveniles and adults of the aquatic snail Potamopyrgus...

journal_title：Bulletin of environmental contamination and toxicology

authors： Aguirre-Sierra A,Alonso A,Camargo JA

更新日期：2011-05-01 00:00:00

abstract：:This study focused on comparing the lethal and sublethal toxicity of water-accommodated fractions (WAF) and chemically enhanced WAF (CEWAF) of crude oil to zebrafish (Danio rerio) on early life stages (ELS). Results showed that the addition of GM-2 dispersant caused an increase in the levels of total petroleum hydroca...

journal_title：Bulletin of environmental contamination and toxicology

authors： Li X,Ding G,Xiong Y,Ma X,Fan Y,Xiong D

更新日期：2018-09-01 00:00:00

abstract：:Field experiments were carried out to investigate the dissipation of boscalid in strawberries and soils and its residual levels in strawberries at two different sites. Boscalid (50% water dispersible granule) was applied at two dosages (349.5 and 525.0 g a.i./ha). Soils and strawberry samples were collected at 0, 1, 2...

journal_title：Bulletin of environmental contamination and toxicology

authors： Chen L,Zhang S

更新日期：2010-03-01 00:00:00

abstract：:This work evaluates current metal concentrations (Cd, Cu, Pb and Zn) and the operational bio-available chemical extraction fraction in surface sediments in Mazatlán Harbor in Northwest México. Sediment samples were also analyzed for organic carbon, carbonates and particle size. Ranges of bulk metal were as follows: Cd...

journal_title：Bulletin of environmental contamination and toxicology

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

更新日期：2008-02-01 00:00:00

abstract：:We quantified imposex in file dogwinkles (Nucella lima) and tributyltin (TBT) contamination in bay mussels (Mytilus trossulus) from a number of sites in Auke Bay, Alaska, previously studied in the late 1980s. Imposex occurrence and TBT contamination have generally declined in spatial extent and severity over time. How...

journal_title：Bulletin of environmental contamination and toxicology

authors： Tallmon DA,Hoferkamp L

更新日期：2009-08-01 00:00:00

abstract：:Polyethoxylated tallowamine (POEA) is a non-ionic surfactant used in many herbicide formulations to increase the ability of active ingredients to penetrate leaf cuticles. However, it has also been shown to disrupt respiratory membranes in aquatic organisms. In this study, Daphnia magna was used to examine the lethal a...

journal_title：Bulletin of environmental contamination and toxicology

authors： Brausch JM,Beall B,Smith PN

更新日期：2007-06-01 00:00:00

abstract：:The removal of phenolic compounds, i.e., o-cresol, m-cresol, and p-cresol from aqueous solution have been evaluated employing activated carbon (AC) coated with polymer supported iron nanoparticles (FeNPs). The synthesized FeNPs were characterized by scanning electron microscope and X-ray diffraction analysis. High cor...

journal_title：Bulletin of environmental contamination and toxicology

authors： Sen BK,Deshmukh DK,Deb MK,Verma D,Pal J

更新日期：2014-11-01 00:00:00

abstract：:Contamination of edible parts of three dietary vegetables, Spinach (Spinacia oleracea L.), Radish (Raphanus sativus L.), and Tomato (Lycopersicon esculentum Mill.) by air-borne cadmium (Cd), chromium (Cr), copper (Cu), nickel (Ni), and lead (Pb) was determined using pot culture experiments at three sites in the city o...

journal_title：Bulletin of environmental contamination and toxicology

authors： Pandey J,Pandey R,Shubhashish K

更新日期：2009-12-01 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：:In the present study six adsorbents viz. wood charcoal, fly ash, coconut charcoal, saw dust, coconut fiber and baggasse charcoal were studied for their capacity to remove atrazine from water. The removal efficiency of different adsorbents varied from 76.5% to 97.7% at 0.05 ppm concentration and 78.5% to 95.5% at 0.1 p...

journal_title：Bulletin of environmental contamination and toxicology

authors： Sharma RK,Kumar A,Joseph PE

更新日期：2008-05-01 00:00:00

abstract：:Wastewater reuse is an important adaptation option for mitigating water stress in rapidly growing urban centers. Reuse potential of nanoparticles (NPs) contaminated wastewater for irrigation of Spinacia oleracea grown in soil media were assessed in this study. Irrigation of plant were done with water containing CuO an...

journal_title：Bulletin of environmental contamination and toxicology

authors： Singh D,Kumar A

更新日期：2016-10-01 00:00:00

abstract：:Emamectin benzoate (Proclaim 5 SG) was applied to cabbage at 8.5 and 17 g a.i. ha⁻¹, during the head initiation stage. A high performance liquid chromatography (HPLC) analytical method, for the determination of emamectin benzoate in cabbage, was developed. Average recoveries of emamectin benzoate ranged from 92 % to 9...

journal_title：Bulletin of environmental contamination and toxicology

authors： Singh G,Chahil GS,Jyot G,Battu RS,Singh B

更新日期：2013-07-01 00:00:00

abstract：:The residual levels of piperolyn butoxide (PB) in agricultural products were investigated for 531 samples of 10 species. For the determination of PB a high speed liquid chromatograph equipped with a fluorometric detector was used. The detection limit of PB was 0.1 ppm. PB was detected from 3 barleys and 3 wheats harve...

journal_title：Bulletin of environmental contamination and toxicology

authors： Isshiki K,Tsumura S,Watanabe T

更新日期：1978-05-01 00:00:00

abstract：:The catabolic potential of transformer oil contaminated soil bacteria in aerobic degradation of polychlorinated biphenyls (PCB) were assessed. Transformer oil contaminated soil sample was subjected to microcosm enrichment experiments (PAS medium/biphenyl as sole carbon source). PCB-degrading activity of the enrichment...

journal_title：Bulletin of environmental contamination and toxicology

authors： Somaraja PK,Gayathri D,Ramaiah N

更新日期：2013-08-01 00:00:00

abstract：:Lake Burullus is one of the Delta lakes, connected with the Mediterranean Sea through El Boughaz opening. Concentrations of organochlorine contaminants were measured in water, sediments and biota of the lake because of concerns about their effects on its productivity. The concentrations of chlorinated hydrocarbons dec...

journal_title：Bulletin of environmental contamination and toxicology

authors： Said TO,El Moselhy KM,Rashad AA,Shreadah MA

更新日期：2008-08-01 00:00:00

abstract：:Aroclor 1242 is inhibitory to long-term batch growth of Euglena gracilis at 10 ppm. Exposure to PCB's, subsequent to an initial drop of 50% in the first 30 minutes, does not appear to inhibit photosynthesis on a per cell basis over the time span of four hours. Consequently our experimental findings suggest that inhibi...

journal_title：Bulletin of environmental contamination and toxicology

authors： Bryan AM,Olafsson PG

更新日期：1978-03-01 00:00:00

abstract：:This study was conducted to investigate time-dependent changes in oxidative enzymes in liver of crucian carp after intraperitoneally injection with extracted microcystins 600 and 150 microg kg(-1) body weight. The results showed that activities of antioxidant enzymes, including superoxide dismutase, catalase, glutathi...

journal_title：Bulletin of environmental contamination and toxicology

authors： Zhang X,Xie P,Li D,Tang R,Lei H,Zhao Y

更新日期：2009-05-01 00:00:00

abstract：:In vitro short-term chronic phytotoxicity germination and root elongation test were applied to test the effects of nickel (Ni) in seed germination and root elongation in six plants species: Cucumis sativus (Cucurbitaceae), Lepidium sativum and Brassica nigra (Brassicaceae), Trifolium alexandrinum and Medicago sativa (...

journal_title：Bulletin of environmental contamination and toxicology

authors： Visioli G,Conti FD,Gardi C,Menta C

更新日期：2014-04-01 00:00:00

abstract：:The organophosphorus insecticide, methidathion, degraded rapidly in a sandy loam, silt loam, clay loam and organic soil. Fifty percent of the initial applications decomposed in less than 2 weeks and more than 90% of the insecticide disappeared within 16 weeks. When soils were treated with methidathion containing(14)C ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Getzin LW

更新日期：1970-03-01 00:00:00

abstract：:To clarify whether Oryzias congeners, including freshwater, brackish water, and marine medaka, would be useful models for evaluating environmental chemical effects in various aquatic ecosystems, we examined the influence of salinity on their embryo development. We also compared the toxicity values of the organotin com...

journal_title：Bulletin of environmental contamination and toxicology

authors： Horie Y,Kanazawa N,Suzuki A,Yonekura K,Chiba T

更新日期：2019-09-01 00:00:00

abstract：:The aim of this research was to ascertain the efficacy of immobilized yeasts for the degradation of pyrene in soil. Pyrene degradation by individual yeasts and their mixtures was clearly enhanced when the yeasts were immobilized with chemical and physical entrapments, and cross-shaped beads from physical entrapment we...

journal_title：Bulletin of environmental contamination and toxicology

authors： Wang X,Gong Z,Li P,Zhang L

更新日期：2007-06-01 00:00:00

abstract：:In this paper, the joint effect of 0.5 mmol·L(-1) Cd(2+) and various concentrations (50-400 mg·L(-1)) of the ionic liquid 1-butyl-3-methyl-imidazolium acetate ([C4min][OAc]) on the growth and photosynthetic performance of wheat seedlings in hydroponic culture was investigated. Seedlings grown in presence of Cd(2+) and...

journal_title：Bulletin of environmental contamination and toxicology

authors： Chen Z,Feng Y,Wang Y,Li Y,Liu Q,Xu S,Guan W

更新日期：2015-05-01 00:00:00

abstract：:Phthalic acid esters (PAEs) are a group of chemical species, ubiquitously present in the environment and pose a serious risk to humans. In the present study, the average concentrations of PAEs in PM10 (particulate matter ≤ 10 µm) are reported at a densely populated site in Delhi. The average concentration of PAEs was ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Gupta S,Gadi R

更新日期：2018-08-01 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：:The aim of this study was to evaluate Copper (Cu), Zinc (Zn), Selenium (Se), Chromium (Cr) and Cadmium (Cd) concentrations in liver, muscle, gills and kidney tissues of Capoeta trutta collected from four sites of Keban Dam Lake, Turkey. The highest heavy metal level in all tissues was for Zn, while Cd was the lowest. ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Danabas D,Ural M

更新日期：2012-09-01 00:00:00