Evaluation of trace metals in tea samples from Jeddah and Jazan, Saudi Arabia by atomic absorption spectrometry.

abstract：:An analytical method based on high performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS) has been developed to investigate florfenicol residues. Among 11 stations, florfenicol was detected in six water samples. The concentrations of florfenicol in the six samples were 64.2 microg L(-1), 390.6 microg ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Zong H,Ma D,Wang J,Hu J

更新日期：2010-02-01 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：: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：:In this study, the detection power of a gas chromatography mass spectrometer (GC-MS) for procymidone and chlorflurenol was significantly enhanced using switchable solvent liquid phase microextraction (SS-LPME) as a preconcentration tool. This was achieved by a comprehensive optimization of significant parameters to th...

journal_title：Bulletin of environmental contamination and toxicology

authors： Kapukıran F,Fırat M,Chormey DS,Bakırdere S,Özdoğan N

更新日期：2019-06-01 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：:Brinjal fruits were sprayed with recommended dose (0.001%) of cypermethrin. Effects of processing viz. washing, cooking in water, cooking in oil, microwave cooking, and grilling was studied to dislodge cypermethrin residues on brinjal. Cypermethrin residues remaining in the control and processed samples were analyzed ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Walia S,Boora P,Kumari B

更新日期：2010-04-01 00:00:00

abstract：:In this paper, environmentally key properties including aqueous solubilities (S(W)), vapor pressures (V(P)), sorption coefficients (K(OC)), octanol-water (K(OW)), octanol-air (K(OA)) and air-water (K(AW)) partition coefficients of 53 phthalates are studied by the quantitative structure-property relationship models by ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Lu C

更新日期：2009-08-01 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：:The aim of this study is to determine seasonal changes in the blood levels of some heavy metals in three Turkey-specific cattle breed: Native Land (NL), Grizzle Race (GR), and South Anatolian Red (SR). Blood samples were collected in summer and winter seasons from a total of 180 cattle aged 12-24 months. The levels of...

journal_title：Bulletin of environmental contamination and toxicology

authors： Aluc Y,Ekici H

更新日期：2019-11-01 00:00:00

abstract：:Speciation of 238U, 210Po and 210Pb in six different types of Syrian soil (Entisols, Inceptisol, Aridisol, Mollisols, Vertisols and Rock outcrops) was studied using a four-step sequential extraction procedure. The binding nature of 238U, 210Po and 210Pb was correlated with soil properties including soil particles, pH,...

journal_title：Bulletin of environmental contamination and toxicology

authors： Al-Masri MS,Nashawati A,Amin Y,Al-Masri W,Al-Howary MA

更新日期：2019-02-01 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：: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：:In 2011 a study was carried out analyzing the effects of road traffic on bioaccumulation of zinc and copper in selected species of dicotyledonous plants growing on adjacent grasslands. To do the research the plants were sampled from the 9-km-long Siedlce bypass, a part of the international route E-30. They were collec...

journal_title：Bulletin of environmental contamination and toxicology

authors： Malinowska E,Jankowski K,Wiśniewska-Kadżajan B,Sosnowski J,Kolczarek R,Jankowska J,Ciepiela GA

更新日期：2015-11-01 00:00:00

abstract：:Certain microbes can biotransform antibiotics. Little is known about these microbes or the biotransformation processes. The objective of this study was to determine the effects of background nutrient conditions on a sulfonamide degrading culture and on its biotransformation of sulfadiazine (SDZ) with respect to transf...

journal_title：Bulletin of environmental contamination and toxicology

authors： Levine RE,Zhang Y,Leng Y,Snow DD,Cassada D,Durso LM,Li X

更新日期：2019-12-01 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：:Acute toxicity tests revealed that, in red sea bream (Pagrus major) embryos, 24 and 48 h LC(50) values of waterborne HgCl(2) were 67.3 and 39.1 μg Hg(2+) L(-1). In larvae, 48, 72 and 96 h LC(50) values were 41.9, 36.1 and 34.8 μg Hg(2+) L(-1), respectively. Sub-chronic toxicity tests indicated that mercury concentrati...

journal_title：Bulletin of environmental contamination and toxicology

authors： Huang W,Cao L,Shan X,Lin L,Dou S

更新日期：2011-04-01 00:00:00

abstract：:The effects of Cd on a halophyte of Doingying wild soybean (DY-03262) were studied by comparing it with a cultivated soybean (SN-11) via investigating photosynthetic activity, chlorophyll fluorescence and Cd concentrations in leaves after treatment with different concentrations of Cd (0, 50, and 100 μM) for 10 days. T...

journal_title：Bulletin of environmental contamination and toxicology

authors： Xue Z,Gao H

更新日期：2017-09-01 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：:The diets of Indigenous people rely on food and medicinal plants harvested directly from the land and there is increasing concern from Indigenous knowledge holders over changes to the appearance and flavor of wild harvested food and medicinal plants. We collected samples of muskrat root, considered an important medici...

journal_title：Bulletin of environmental contamination and toxicology

authors： Gray MA,Walker EM,Brooks C,deMarsh L

更新日期：2019-02-01 00:00:00

abstract：:Changes in protein levels and lipid compositions in algal cells indicate the severity of stress related to toxic concentrations of heavy metals. In this study, the effects of exposure to cadmium and copper on Chlorella vulgaris and its capacity to remove metals were evaluated. The data revealed ion removal activity by...

journal_title：Bulletin of environmental contamination and toxicology

authors： de Abreu FC,da Costa PN,Brondi AM,Pilau EJ,Gozzo FC,Eberlin MN,Trevisan MG,Garcia JS

更新日期：2014-10-01 00:00:00

abstract：:During the summer of 2015, polycyclic aromatic hydrocarbons (PAHs) in the atmosphere were collected by passive air samplers in typical urban-rural fringe of Wuhan-Ezhou region, Central China. The results showed that 16 kinds of PAHs were ubiquitous with the concentrations of ∑16PAHs from 14.69 to 136.30 ng·m-3 and the...

journal_title：Bulletin of environmental contamination and toxicology

authors： Wu D,Liu H,Wang Z,Zhang J,Zhan C,Liu S,Liu T,Zheng J,Yao R,Cao J

更新日期：2020-01-01 00:00:00

abstract：:Carbaryl produced moderate but significant inhibition of the development of the Ehrlich ascites tumor in mice and reduced appreciably the rates of incorporation of isotopically-labeled precursors into ribonucleic acid, deoxyribonucleic acid, and protein in Ehrlich ascites tumor cells in vitro. ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Walker EM Jr,Gale GR,Atkins LM,Gadsden RH

更新日期：1975-10-01 00:00:00

abstract：:Many countries with incidence of malaria, including those surrounding Maputo Bay, use dichloro-diphenyl-trichloroethane (DDT) to reduce mosquitoes. This study is the first to estimate the human health risk associated with consumption of marine fish from Maputo Bay contaminated with DDTs. The median for ∑DDTs was 3.8 n...

journal_title：Bulletin of environmental contamination and toxicology

authors： Thompson LA,Ikenaka Y,Yohannes YB,Ichise T,Ito G,Bortey-Sam N,van Vuren JJ,Wepener V,Smit NJ,Darwish WS,Nakayama SMM,Mizukawa H,Ishizuka M

更新日期：2018-05-01 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：: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：:Chlorpyrifos is a common surface water contaminant in California, USA. We evaluated five years of chlorpyrifos use and surface water monitoring data in California's principal agricultural regions. Imperial County and three central coastal regions accounted for only 10% of chlorpyrifos statewide use, but displayed cons...

journal_title：Bulletin of environmental contamination and toxicology

authors： Zhang X,Starner K,Spurlock F

更新日期：2012-11-01 00:00:00

abstract：:Agricultural lands are exposed to pesticides continuously, which impact on habitat of wild species, such birds. The purpose of this study was to determine the plasma cholinesterase activity in two passeriform wild birds, the house finch (Carpodacus mexicanus) and the house sparrow (Passer domesticus), from agricultura...

journal_title：Bulletin of environmental contamination and toxicology

authors： González-Escalante L,Mercado-Hernández R,González-Rojas JI,Bermúdez de León M

更新日期：2013-01-01 00:00:00

abstract：:As one of China's great metropolises, Taiyuan is generally recognized to be one of the most polluted cities from polycyclic aromatic hydrocarbons (PAHs) in the world. Therefore, this study was conducted to determine a total of 16 PAH concentrations in various environmental media in Taiyuan. The total PAHs concentratio...

journal_title：Bulletin of environmental contamination and toxicology

authors： Fu S,Yang ZZ,Li K,Xu XB

更新日期：2010-07-01 00:00:00

abstract：:Leydig cell morphological changes were evaluated using morphometric and stereological methods in male mice exposed to low doses of cadmium. A possible reversibility of the changes after cadmium withdrawal was also considered. Nuclear morphological parameters and stereological densities of the Leydig cell population we...

journal_title：Bulletin of environmental contamination and toxicology

authors： Blanco A,Moyano MR,Molina AM,Blanco C,Flores-Acuña R,García-Flores JR,Espada M,Monterde JG

更新日期：2009-06-01 00:00:00

abstract：:A liquid chromatography electrospray mass spectrometry (LC/ESI/MS) method working in multiple reactions monitoring mode for the determination of trace amounts of microcystin variants (MC-LR and [Dha(7)] MC-LR) in waters was developed. The limit of quantification was 0.05 microg/L and the limit of detection was 0.015 m...

journal_title：Bulletin of environmental contamination and toxicology

authors： Yu T,Xie P,Dai M,Liang G

更新日期：2009-11-01 00:00:00