Autotrophic biofilm development on superficial samples of the gold-silver mine tailings, Valenciana (Mexico): pioneers in tailings remediation?

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：: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：:Lead levels in small mammals were studied in 6 areas -- 3 associated with highways of different traffic densities, and 3 control sites in forested areas. Lead levels were also studied in insects from 2 traffic areas and in earthworms from different distances from 2 traffic areas. Lead levels were low in insects rangin...

journal_title：Bulletin of environmental contamination and toxicology

authors： Goldsmith CD Jr,Scanlon PF

更新日期：1977-03-01 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：:A two season field experiment was conducted to study the magnitude of Benthiocarb residue in transplanted paddy field soil of plough layer (6''), beyond the plough layer (12'') as well as in harvested straw, grain and husk. Transplanted paddy fields were treated once with Benthiocarb (Saturn 50 EC) @1500 g.a.i., 2500 ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Aktar MW,Gupta A,Gade V,Bhattacharyya A

更新日期：2007-12-01 00:00:00

abstract：:To investigate the biomagnification factor (BMF) of EDCs by the polychaete, Perinereis nuntia, organisms were exposed to EDCs through their diet. BMF values ranged from 0.001 to 0.028 indicating that EDCs were not biomagnified. Elimination rates were (0.20-0.25 day(-1)) and were higher than uptake rate (0.0003-0.003 d...

journal_title：Bulletin of environmental contamination and toxicology

authors： Nurulnadia MY,Koyama J,Uno S,Kokushi E,Bacolod ET,Ito K,Chuman Y

更新日期：2013-10-01 00:00:00

abstract：:The dissipation of pyraclostrobin, a strobilurin fungicide, in soil was found to be influenced by soil moisture, organic matter content and microbial population. Among the different moisture regimes, dissipation was faster under submerged condition (T1/2 10 days) followed by field capacity (T1/2 28.7 days) and in dry ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Reddy SN,Gupta S,Gajbhiye VT

更新日期：2013-09-01 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：: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：:We performed a survey to assess the exposure to environmental tobacco smoke (ETS) in 1-year-old infants in Thailand. Of the 725 infants, it was reported that 73.3% had household smoking and 40.7% had detectable urinary cotinine. Twenty-five infants (3.4%) had urinary cotinine in the range of adult heavy smokers. The p...

journal_title：Bulletin of environmental contamination and toxicology

authors： Anuntaseree W,Mo-Suwan L,Ovatlarnporn C,Tantana C,Ma-a-Lee A

更新日期：2008-01-01 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：: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：:Propamocarb-hydrochloride is a widely used fungicide around the world. The dissipation of propamocarb-hydrochloride in tomatoes, potatoes and cucumber were evaluated. QuEChERS methodology before quantification using HPLC-DAD was used. Preharvest interval and maximum residue limit were 4 days and 1.0 mg kg(-1) for toma...

journal_title：Bulletin of environmental contamination and toxicology

authors： Abd-Alrahman SH,Almaz MM

更新日期：2012-08-01 00:00:00

abstract：:The Almendares River is central to recreational and other activities in Havana, Cuba. However, monitoring indicated significant heavy metal contamination in river sediments, especially below Calle 100, the largest landfill in Havana. This work extended previous sediment studies by determining complementary Cu, Pb, Ni,...

journal_title：Bulletin of environmental contamination and toxicology

authors： Olivares-Rieumont S,Lima L,De la Rosa D,Graham DW,Columbie I,Santana JL,Sánchez MJ

更新日期：2007-12-01 00:00:00

abstract：:This study assessed the concentrations of airborne heavy metals (HMs) in particulate matter with a cutoff size of 10 µm (i.e., PM10) in an industrialized urban area (Naraina Industrial Area) of New Delhi, India. The samples were collected from January to December, 2011. The annual mean concentrations of selected HMs w...

journal_title：Bulletin of environmental contamination and toxicology

authors： Mandal P,Sarkar R,Mandal A,Patel P,Kamal N

更新日期：2016-12-01 00:00:00

abstract：:A mass balance model was developed to estimate prescription pharmaceutical loadings to municipal wastewater treatment plants via computation of influent concentrations (C(IN)). Model estimates of C(IN) were compared with published data and found to be accurate within an order of magnitude for some 90% of the drugs eva...

journal_title：Bulletin of environmental contamination and toxicology

authors： Ottmar KJ,Colosi LM,Smith JA

更新日期：2010-05-01 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：:Seedlings of wheat (Triticum aestivum) were exposed in soil to the polycyclic musk chemical, 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]-2-benzopyran (HHCB) for 21 days, to evaluate its effect upon chlorophyll (CHL), lipid peroxidation and the antioxidant system. The content of CHL in leaves was inhibite...

journal_title：Bulletin of environmental contamination and toxicology

authors： Chen C,Cai Z

更新日期：2015-08-01 00:00:00

abstract：:This paper presents the results of long-term post-Chernobyl investigations of 134Cs and 137Cs activity concentrations in multifloral and chestnut honey sampled in northwest Croatia. For both radionuclides, the activity concentrations peaked in May 1986, decreasing exponentially until the mid-1990 s, when they fell und...

journal_title：Bulletin of environmental contamination and toxicology

authors： Franić Z,Branica G

更新日期：2019-04-01 00:00:00

abstract：:Four paddy herbicides and their transformation products (TPs) were monitored in the Sakura River, Japan, during the rice growing seasons of 2009 and 2010. Toxicity tests to an attached diatom, Mayamaea atomus, and a green alga, Pseudokirchneriella subcapitata, were also conducted. Clomeprop propionic acid, which forms...

journal_title：Bulletin of environmental contamination and toxicology

authors： Iwafune T,Ara T,Ishihara S,Yokoyama A,Nagai T,Horio T

更新日期：2012-01-01 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：:Twelve bank soil samples from the Dongting Lake area were determined to investigate the concentrations and distributions of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs). The result showed the PCDD/Fs contamination was not only confined to the surface soil, but extended into the subsoil. Total I-TEQ va...

journal_title：Bulletin of environmental contamination and toxicology

authors： Xiao K,Zheng M,Fang L,Yang Y

更新日期：2010-08-01 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：: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：:Imidacloprid is a systemic insecticide which gives effective control of plant and leaf hoppers in rice. The persistence and metabolism of imidacloprid in paddy leaves, rice grains, bran, straw and husk were studied following two applications of imidacloprid (Confidor 17.8 SL) @ 20 and 80 g a.i. ha(-1) at an interval o...

journal_title：Bulletin of environmental contamination and toxicology

authors： Akoijam R,Singh B

更新日期：2014-05-01 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：:Earthworms are bioindicators of soil pollution. The ecotoxicity of tailings from selected gold mines in South Africa was investigated utilizing Eisenia andrei bioassays and biomarkers. Samples were obtained from unrehabilitated, rehabilitated and naturally vegetated sites. Biomass, neutral red retention time (NRRT), s...

journal_title：Bulletin of environmental contamination and toxicology

authors： Maboeta MS,Oladipo OG,Botha SM

更新日期：2018-05-01 00:00:00

abstract：:Persistence behavior of two combination mix formulations of insecticides viz. profenofos + cypermethrin (Roket 44EC) and chlorpyrifos + cypermethrin (Nacraj-505) were studied in eggplant fruits following spray application at recommended and double dose. Half-life values were calculated from first order dissipation kin...

journal_title：Bulletin of environmental contamination and toxicology

authors： Mukherjee I,Aman Kumar,Ashok Kumar

更新日期：2012-03-01 00:00:00

abstract：:The concentrations of nine heavy metals (Cr, Cd, Pb, Ni, Cu, Zn, Mn, As and Fe) in the muscle tissue of four fish species (Oreochromis niloticus, Clarias gariepinus, Poecilia latipinna and Aphanius dispar dispar) collected from Wadi Hanifah were detected in two different seasons. The concentrations of the studied heav...

journal_title：Bulletin of environmental contamination and toxicology

authors： Mahboob S,Al-Balawi HF,Al-Misned F,Al-Quraishy S,Ahmad Z

更新日期：2014-01-01 00:00:00

abstract：:A method for residue analysis of fenoxaprop-P-ethyl and its metabolite (i.e., fenoxaprop-P) was developed using high performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS). This method was then used to evaluate the residual level and dissipation rate of fenoxaprop-P-ethyl and fenoxaprop-P in the soil ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Chen X,Yu S,Han L,Sun S,Zhi Y,Li W

更新日期：2011-07-01 00:00:00