Mercury Contamination in an Indicator Fish Species from Andean Amazonian Rivers Affected by Petroleum Extraction.

abstract：:The present study investigated the presence and level of pesticide residues in wheat and khat samples collected from various localities of Ethiopia. The khat samples from Galemso and Aseno had p,p'-DDT concentrations ranged from 141.2 to 973.0 μg/Kg and 194.3-999.0 μg/Kg, respectively. Diazinon was detected in all the...

journal_title：Bulletin of environmental contamination and toxicology

authors： Daba D,Hymete A,Bekhit AA,Mohamed AM,Bekhit Ael-D

更新日期：2011-03-01 00:00:00

abstract：:To evaluate copper uptake and its toxicity on bioenergy grass giant reed (Arundo donax L.), experiments were carried out using two epigenetic clonal lines - American (BL) and Hungarian (20SZ) ecotypes - grown on elevated Cu concentrations up to 26.8 mg L(-1). Neither ecotype showed any noticeable foliar symptoms of Cu...

journal_title：Bulletin of environmental contamination and toxicology

authors： Elhawat N,Alshaal T,Domokos-Szabolcsy É,El-Ramady H,Antal G,Márton L,Czakó M,Balogh P,Fári M

更新日期：2015-10-01 00:00:00

abstract：:Given the reported extent of microplastics in the aquatic environment, environmentally relevant exposure information for sediments dredged by the US Army Corps of Engineers will lend context to the risks posed by this contaminant during dredging. We measured the occurrence, abundance, and polymer composition of microp...

journal_title：Bulletin of environmental contamination and toxicology

authors： Wilkens JL,McQueen AD,LeMonte JJ,Suedel BC

更新日期：2020-01-01 00:00:00

abstract：:Mallard drakes accumulated mercury rapidly from dietary dosage of methylmercury dicyandiamide and eliminated it slowly, retaining approximately one half at the end of 84 days; no measurable loss occurred between the end of the 7th and 56th days, but loss resumed concurrently with new feather growth, and continued thro...

journal_title：Bulletin of environmental contamination and toxicology

authors： Stickel LF,Stickel WH,McLane MA,Bruns M

更新日期：1977-10-01 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：:Many of organophosphorous insecticides are chiral compounds. In this study, the enantioselective effects of organophosphate insecticide methamidophos on the coelomocytes lysosomal membrane stability of earthworm Eisenia fetida were studied: (1) The enantiomers of methamidophos were absolutely separated by high-perform...

journal_title：Bulletin of environmental contamination and toxicology

authors： Chen L,Lu X,Ma Y

更新日期：2012-12-01 00:00:00

abstract：:Glyphosate-based herbicides are widely used in agricultural systems. Although the target organism are particularly plant organisms, there are numerous studies showing adverse effects in aquatic animals, such as inhibition of acetyl cholinesterase, effects on kidney, liver, and gill and stressors effects. This study an...

journal_title：Bulletin of environmental contamination and toxicology

authors： Giaquinto PC,de Sá MB,Sugihara VS,Gonçalves BB,Delício HC,Barki A

更新日期：2017-04-01 00:00:00

abstract：:Variations in concentrations of herbicide bromobutide (RS)-2-bromo-N-(α,α-dimethylbenzyl)-3,3-dimethylbutyramide, and its metabolite bromobutide-debromo, N-(α,α-dimethylbenzyl)-3,3-dimethylbutyramide were investigated in soils from three paddy fields used for rice farming at 24 weeks after application. The bromobutide...

journal_title：Bulletin of environmental contamination and toxicology

authors： Morohashi M,Nagasawa S,Enya N,Ohno M,Suzuki K,Kose T,Kawata K

更新日期：2012-07-01 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：: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：:Dissemination of antibiotic-resistant genes (ARGs) from hospital wastewaters (HWWs) is facilitated by the horizontal gene transfer (HGT) and involves association of ARGs with mobile genetic elements (MGEs). In our previous study, HWWs were found to have relatively high copy numbers of ARGs aadA, tetA, cmlA, sul1, and ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Kayali O,Icgen B

更新日期：2021-01-20 00:00:00

abstract：:This study examined the potential for metabolism of select polycyclic aromatic hydrocarbons (PAH) by human enteric microorganisms. Experiments were performed under anaerobic conditions with various combinations of enteric microbial suspensions, PAH concentrations, nutrient mixtures, and time courses. No PAH metabolite...

journal_title：Bulletin of environmental contamination and toxicology

authors： Hurdzan CM,Basta NT,Hatcher PG,Tuovinen OH

更新日期：2007-11-01 00:00:00

abstract：:The distribution of polycyclic aromatic hydrocarbons (PAHs) and n-alkanes was investigated in the surface sediment from the Shinano River in Niigata, Japan. The total concentrations of the PAHs and n-alkanes ranged from 102 to 10,450 ng/g dry weight and from 160 to 3,530 ng/g dry, respectively. Perylene (Per) in the s...

journal_title：Bulletin of environmental contamination and toxicology

authors： Hori T,Shiota N,Asada T,Oikawa K,Kawata K

更新日期：2009-09-01 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：: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：CONCLUSIONS:Selective partition by vapor solvent sweeping, on borosilicate wool, of organochlorine pesticides from fruit and vegetable extracts in the present apparatus and with the present technique provides sufficient cleanup for subsequent electron capture detector analysis. Amounts of organochlorine pesticides from...

journal_title：Bulletin of environmental contamination and toxicology

authors： Mestres R,Barthes F

更新日期：1966-11-01 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：: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：:DR-Congo is a main world producer of copper (Cu) and cobalt (Co). Several hydrometallurgical plants and smelters also produced zinc, arsenic, and cadmium as by-products. In Sudbury (Canada), the production of nickel, copper and other metals has been maintained at high levels while industrial SO(2) emissions have been ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Narendrula R,Nkongolo KK,Beckett P

更新日期：2012-02-01 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：:Biochar has limited capacity to adsorb oxytetracycline (OTC). Here we have used bamboo willow biochar (BC) as a carrier to produce nMnO2-loaded biochars (MBC) by a co-precipitation method. Their chemical compositions, morphological features, specific surface area, and surface functional groups were observed or determi...

journal_title：Bulletin of environmental contamination and toxicology

authors： Feng L,Yuan G,Xiao L,Wei J,Bi D

更新日期：2020-02-25 00:00:00

abstract：:Polar Organic Chemical Integrative Samplers (POCIS) were deployed in two watersheds in Córdoba province and one watershed in Buenos Aires province in Argentina. The fungicides, tebuconazole, carbendazim and azoxystrobin, and the herbicides, atrazine, dicamba and 2,4-D were detected in POCIS deployed in each of the thr...

journal_title：Bulletin of environmental contamination and toxicology

authors： Corcoran S,Metcalfe CD,Sultana T,Amé MV,Menone ML

更新日期：2020-01-01 00:00:00

abstract：:A green, sensitive and accurate dispersive liquid-liquid microextraction (DLLME) method was used to preconcentrate four selected pesticides in dam lake water samples for determination by gas chromatography-mass spectrometry (GC-MS). Conditions of the DLLME method were comprehensively investigated and optimized accordi...

journal_title：Bulletin of environmental contamination and toxicology

authors： Bodur S,Borahan T,Ates N,Bakırdere S

更新日期：2020-09-01 00:00:00

abstract：:The embryos and larvae of seven freshwater fish were exposed to low concentrations of cadmium in soft water. All species were killed or their growth retarded by concentrations ranging from about 4 to 12 microgram Cd/liter. The larvae were consistently more sensitive than the embryos. The agreement between these result...

journal_title：Bulletin of environmental contamination and toxicology

authors： Eaton JG,McKim JM,Holcombe GW

更新日期：1978-01-01 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：:To evaluate substance toxicity, it is critical to maintain specific concentrations of test substances throughout the exposure period. During the last decade, the need to improve methods for nanoparticle (NP) suspension preparations has gained attention because many published results on NPs toxicity have been inconsist...

journal_title：Bulletin of environmental contamination and toxicology

authors： Park JW,Oh JH,Kim WK,Lee SK

更新日期：2014-07-01 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：:This study provides information on the current status of contamination by organochlorine pesticides (OCPs) in eggs and tissues of House Sparrow, Passer domesticus, in Tamil Nadu, India. The mean concentration of total hexachlorocyclohexane (∑HCH) and total dichloro-diphenyl-trichloroethane (∑DDT) in eggs ranged from 0...

journal_title：Bulletin of environmental contamination and toxicology

authors： Dhananjayan V,Muralidharan S,Ranapratap S

更新日期：2011-12-01 00:00:00

abstract：:Concentration and human health risks of heavy metals (Pb, Cu, Cr, Cd, As, Ni) in water, sediment, crab (Tympanotonus fuscatus) and periwinkle (Callinectes amnicola) were assayed in New Calabar River, Nigeria. Results revealed that concentration (mg/L) of the metals in water in the two seasons studied, ranged from 1.1E...

journal_title：Bulletin of environmental contamination and toxicology

authors： Uwah EI,Nwoke IB,Inam EJ,Udosen IE,Udosen ED

更新日期：2020-08-01 00:00:00

abstract：:The present study evaluated the impact of cesium ((133)Cs) at four concentrations (0, 0.001, 0.01, and 0.1 mg L(-1)) on growth, concentrations of chlorophyll and carotenoid pigments, and oxidative stress responses in the charophyte, Nitella pseudoflabellata, over 30 days. Oxidative stress was quantified by measuring a...

journal_title：Bulletin of environmental contamination and toxicology

authors： Atapaththu KS,Rashid MH,Asaeda T

更新日期：2016-03-01 00:00:00