5-Fluorouracil accumulation in green microalgae and its biogenetic transfer into ciliate protozoan.

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：:This study reports the first evidence of domoic acid (DA), an algal neurotoxin produced by the genus Pseudo-nitzschia, from plankton net samples collected in the Sea of Marmara in December, 2010 and February, 2011. DA concentrations of plankton net samples were analyzed by high-performance liquid chromatography (HPLC)...

journal_title：Bulletin of environmental contamination and toxicology

authors： Dursun F,Yurdun T,Ünlü S

更新日期：2016-01-01 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：:A demonstration of artificial groundwater recharge with tertiary effluent was evaluated using a set of bioassays (acute toxicity to Daphnia, genotoxicity, estrogenic and antiestrogenic toxicity). Around 95 % genotoxicity and 53 % antiestrogenicity were removed from the feed water by ozonation, whereas significant redu...

journal_title：Bulletin of environmental contamination and toxicology

authors： Zhang X,Zhao X

更新日期：2013-11-01 00:00:00

abstract：:Urea is the most frequently applied nitrogen (N) fertilizer in agriculture, while its loss is assumed triggering algal blooms in adjacent water bodies. In this context the present study assessed the growth, photosynthetic activity as well as toxin production of Microcystis aeruginosa at different urea concentrations (...

journal_title：Bulletin of environmental contamination and toxicology

authors： Huang W,Bi Y,Hu Z

更新日期：2014-05-01 00:00:00

abstract：:Concentrations of 12 metal(oid)s were investigated in the bloom-forming cyanobacteria and ambient water samples collected monthly between March 2009 and February 2010 at the Nanquan coast of Taihu Lake, China. The metal(oid) concentrations in ambient water decreased in the order Fe > Zn > Ni ≈ As ≈ Cu > Mn > Ag > Cr >...

journal_title：Bulletin of environmental contamination and toxicology

authors： Su Y,Liu H,Yang J

更新日期：2012-08-01 00:00:00

abstract：:The growth study and hydrocarbonoclastic potential of microorganisms isolated from aviation fuel spill sites at Inua-eyet Ikot in Ibeno, Nigeria were examined using standard microbiological methods. The results of the analysis revealed that the viable plate count of microorganisms in the polluted soil ranged from 2.2 ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Etuk CU,John RC,Ekong UE,Akpan MM

更新日期：2012-10-01 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：: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：:Glyphosate in surface waters of southern Ontario (Canada) was studied over a 2-year period. A small percentage of samples exhibited glyphosate concentrations greater than the analytical limit of quantitation (17 microg a.e./L), and the maximum concentration of glyphosate measured was 40.8 microg/L. No samples of rough...

journal_title：Bulletin of environmental contamination and toxicology

authors： Struger J,Thompson D,Staznik B,Martin P,McDaniel T,Marvin C

更新日期：2008-04-01 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：: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：:This study was performed to evaluate the microplastics (MPs) pollution of sediments from River Yongfeng. It was observed that the MPs in sediments were present with contents of 0.5-16.75 mg/kg and abundances of 5-72 items/kg, coupled by variation coefficients of 109% and 91%, respectively, indicating that the distribu...

journal_title：Bulletin of environmental contamination and toxicology

authors： Rao Z,Niu S,Zhan N,Wang X,Song X

更新日期：2020-02-01 00:00:00

abstract：:Thirty-eight water samples were collected at Yangbajing to investigate the water contamination resulting from natural geothermal water discharge and anthropogenic geothermal wastewater drainage. The results indicate that snow or snow melting waters, Yangbajing River waters and cold groundwaters are free from geotherma...

journal_title：Bulletin of environmental contamination and toxicology

authors： Guo Q,Wang Y

更新日期：2009-10-01 00:00:00

abstract：:Melano-macrophage centers (MMCs) are nodular clusters of pigmented macrophages, implicated in homeostasis and destruction and recycling of endogenous and exogenous material. They can increase in size and/or frequency under environmental stress resulting in immunohistological biomarkers of water quality. Fluoxetine (FL...

journal_title：Bulletin of environmental contamination and toxicology

authors： Rey Vázquez G,Da Cuña RH,Dorelle LS,Lo Nostro FL

更新日期：2020-02-01 00:00:00

abstract：:A field survey was conducted to study the characteristics of zinc, cadmium, and lead accumulation and rhizosphere microbial population associated with hyperaccumulator Sedum alfredii Hance growing natively on an old lead/zinc mining site. We found significant hyperaccumulation of zinc and cadmium in field samples of S...

journal_title：Bulletin of environmental contamination and toxicology

authors： Long XX,Zhang YG,Jun D,Zhou Q

更新日期：2009-04-01 00:00:00

abstract：:Spatial samples of surface and ground water collected from land disposal site of dye waste mixed sewage effluents at Binjhole, in Haryana, India were analyzed to evaluate its effect on quality of pond, hand pumps and ground waters for human health and irrigation purposes. It was found that average COD and TDS of dye h...

journal_title：Bulletin of environmental contamination and toxicology

authors： Dubey SK,Yadav R,Chaturvedi RK,Yadav RK,Sharma VK,Minhas PS

更新日期：2010-09-01 00:00:00

abstract：:The UV spectra of 29 chlorobiphenyls have been examined. With increasing chloro substitution in which there are less than two chlorine groups ortho to the Ph-Ph bond the lambdamax values for the K band (attributed to the conjugation between the two phenyl rings) are shifted to longer wavelengths and for the more high...

journal_title：Bulletin of environmental contamination and toxicology

authors： MacNeil JD,Safe S,Hutzinger O

更新日期：1976-01-01 00:00:00

abstract：:In this work the toxicity caused by explosive industries effluent (yellow water) at different levels of toxicity (genetic, cellular and organismal level) was evaluated by the Allium cepa test and the Sorghum sudanense germination. The results showed that the effluent paralyze the mitotic process, keeping the cells in ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Rodrigues CM,Suchoronczek A,De Lima VA,Boldrini KR,De Lima PCG

更新日期：2020-07-01 00:00:00

abstract：:A decrease in the activity of choline acetyltransferase (ChAT) has been well documented in brains from individuals with Alzheimer's disease (AD) (Bird et al., 1983; McGeer, 1984). Decreased ChAT activity was also found in dialysis encephalopathy victims, but this reduction was less marked than that observed in AD (Yat...

journal_title：Bulletin of environmental contamination and toxicology

authors： Cherroret G,Desor D,Lehr PR

更新日期：1994-04-01 00:00:00

abstract：:We analyzed the concentrations of polycyclic aromatic hydrocarbons (PAHs) in both particulate matter (PM) and the gaseous phase at 10 roadside sites in Hanoi, Vietnam. The average concentrations of 47 PAHs ( summation 47PAHs) were 63 +/- 82 ng m(-3) in PM and 480 +/- 300 ng m(-3) in the gaseous phase. The PAHs mainly ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Kishida M,Imamura K,Takenaka N,Maeda Y,Viet PH,Bandow H

更新日期：2008-08-01 00:00:00

abstract：:Increases in the levels of environmental contaminants are reflected in wild animals, which are early indicators of pollution. Hatay is an ecologically important region with a high intensity of industrial and agricultural activities. This study aimed to investigate the contamination levels of metals and organochlorine ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Tekeli IO,Yipel M,Sengul SA,Sakin F

更新日期：2021-01-03 00:00:00

abstract：:Toxic effects of copper, atrazine and irgarol were evaluated on epiphytes attached to mimes (artificial devices that mimic the morphology of seagrasses) in order to check sensitivity of this biological group. Tube-dwelling diatoms were the major component of the epiphyte community. Superoxide dismutase activity was en...

journal_title：Bulletin of environmental contamination and toxicology

authors： Crespo E,Lozano P,Blasco J,Moreno-Garrido I

更新日期：2013-10-12 00:00:00

abstract：:In 2003, two sampling strategies were applied in order to evaluate metal contamination in passerine bird feathers. One strategy included the use of nest boxes and nestling great tits in a forest habitat (MU). The other strategy focused on the use of mist nets to capture adult blackbirds, robins and blackcaps in a frag...

journal_title：Bulletin of environmental contamination and toxicology

authors： Costa RA,Petronilho JM,Soares AM,Vingada JV

更新日期：2011-03-01 00:00:00

abstract：:Levels of organochlorine pesticides (OCPs) and PCB were determined in three duck species: Pintail (Anas acuta), Common Teal (Anas creaca), and Mallard (Anas platyhynchos). Both persistent organochlorines were more abundant in muscle than in the liver; Mallard had the highest levels of PCBs [84.0 +/- 39.0 ng/g wet weig...

journal_title：Bulletin of environmental contamination and toxicology

authors： Rajaei F,Bahramifar N,Esmaili Sari A,Ghasempouri SM,Savabieasfahani M

更新日期：2010-05-01 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：:PCB levels were determined with maternal and cord blood sampled at the time of delivery. All of the twentyfour mothers selected for this experiment are residents to Tokyo Metropolitan area. Gaschromatographic patterns of PCBs in cord blood closely resembled those of mothers. The cord blood in general showed lower PCB ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Akiyama K,Ohi G,Fujitani K,Yagyu H,Ogino M

更新日期：1975-11-01 00:00:00

abstract：:Fifty-four surface sediments from the typical coal mining area were analyzed for pristane, phytane and C8-C40 n-alkanes using gas chromatography-mass spectrometry (GC-MS). The spatial distribution, homolog profiles and source apportionment of aliphatic hydrocarbons were investigated. Bimodal distribution pattern, cent...

journal_title：Bulletin of environmental contamination and toxicology

authors： Wang S,Liu G,Yuan Z,Liu Y,Lam PKS

更新日期：2020-08-01 00:00:00

abstract：:Nowadays rare earth elements (REEs) are widely applied in high-technology and clean energy products, but their environmental risks are still largely unknown. To estimate the ecological risk of REEs, soil samples were collected from REE mine tailings with and without phytoremediation. The results showed that the tailin...

journal_title：Bulletin of environmental contamination and toxicology

authors： Zhao CM,Shi X,Xie SQ,Liu WS,He EK,Tang YT,Qiu RL

更新日期：2019-10-01 00:00:00

abstract：:Recent studies have documented environmental contamination by PCBs in soil from different areas in Mexico (industrial, mining, and urban sites). However, the real significance of that soil contamination has not been established. Therefore, the aim of this study was to perform a human health risk assessment (Monte Carl...

journal_title：Bulletin of environmental contamination and toxicology

authors： Pérez-Maldonado IN,Ochoa Martínez ÁC,Ruíz-Vera T,Orta-García ST,Varela-Silva JA

更新日期：2017-09-01 00:00:00