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 inhibition of population growth does not lie directly in the photosynthetic pathway despite the initial inhibition by Aroclor 1242 on Euglena gracilis in "light". "Dark" absorption of bicarbonate appears to decrease with increased PCB exposure. This decrease may be causally related to the population growth inhibition observed.
journal_name
Bull Environ Contam Toxicoljournal_title
Bulletin of environmental contamination and toxicologyauthors
Bryan AM,Olafsson PGdoi
10.1007/BF01685813subject
Has Abstractpub_date
1978-03-01 00:00:00pages
374-81issue
3eissn
0007-4861issn
1432-0800journal_volume
19pub_type
杂志文章abstract::Prolonged use of biosolids with high metal content may result in diffuse pollution across large regions, especially if such ions can move freely through the soil profile and reach underground water sources. The objective of this study was to verify whether Cr added to the soil surface in the form of hydrolysed leather...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-016-1941-1
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journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
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abstract::To investigate the concentration and congener patterns of polybrominated diphenyl ethers (PBDE) in outdoor air from farmland area, air samples were collected using passive and active sample methods from April to November 2012, in an e-waste dismantling town in the Guangzhou region of South China. The sum of gaseous an...
journal_title:Bulletin of environmental contamination and toxicology
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abstract::The aim of this study was to confirm the utility of the Comet assay as a genotoxicity screening test for evaluating the impact of walnut husk aqueous extract. Phytotoxicity assays using diluted and undiluted walnut husk aqueous extracts were performed on young roots of Raphanus sativus (radish), and the Comet assay wa...
journal_title:Bulletin of environmental contamination and toxicology
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doi:10.1007/s00128-012-0637-4
更新日期:2012-07-01 00:00:00
abstract::Sulfonamides and tetracyclines are pharmaceuticals widely used to treat human and animal diseases. They are of considerable concern in Korea because of the potential risk of residues in aquatic and terrestrial environments. This study investigated the mobility of veterinary drugs in the soil column with the applicatio...
journal_title:Bulletin of environmental contamination and toxicology
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doi:10.1007/s00128-011-0297-9
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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
pub_type: 杂志文章
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更新日期:2013-11-01 00:00:00
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journal_title:Bulletin of environmental contamination and toxicology
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doi:10.1007/s00128-015-1704-4
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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
pub_type: 杂志文章
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更新日期:1966-11-01 00:00:00
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journal_title:Bulletin of environmental contamination and toxicology
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更新日期:2007-11-01 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
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更新日期:2016-12-01 00:00:00
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journal_title:Bulletin of environmental contamination and toxicology
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doi:10.1007/s00128-007-9156-0
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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
pub_type: 杂志文章
doi:10.1007/s00128-010-0084-z
更新日期:2010-08-01 00:00:00
abstract::Numerous studies have described human exposure to heavy metals from diverse sources in Nigeria, but little is known about the exposure from personal care products, and few or no report is available on the personal care product concentrations of cadmium, chromium, copper and zinc, which have biotic effects. The levels ...
journal_title:Bulletin of environmental contamination and toxicology
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journal_title:Bulletin of environmental contamination and toxicology
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doi:10.1007/s00128-012-0606-y
更新日期:2012-06-01 00:00:00
abstract::This paper examined active pharmaceutical ingredients (APIs) acute ecotoxicological modes of action (MOA). It was concluded that the vast majority of APIs acute MOA was non-specific narcosis as; 85% out of 59 APIs had an excess toxicity ratio <7; 70% of the APIs ecotoxicity was overestimated based on a narcotic model;...
journal_title:Bulletin of environmental contamination and toxicology
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doi:10.1007/s00128-007-9249-9
更新日期:2007-09-01 00:00:00
abstract::Results of these studies demonstrate that the blue crab was readily able to take up and discharge labeled n-alkanes, but it was not able to metabolize them. In contrast, it appears that n-alkanes taken up via the digestive tract in mullet are readily metabolized, probably via microorganisms in the gut. More limited me...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/BF01685939
更新日期:1977-04-01 00:00:00
abstract::We present here the results of the study on metal pollution by identifying source, abundance and distribution in soil and tailings of Khetri copper complex (KCC) mines, Rajasthan India. The region is highly contaminated by copper (Cu) with higher values in the soil near overburden material (1224 mg/kg) and tailings (1...
journal_title:Bulletin of environmental contamination and toxicology
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journal_title:Bulletin of environmental contamination and toxicology
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journal_title:Bulletin of environmental contamination and toxicology
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journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-014-1415-2
更新日期:2014-12-01 00:00:00
abstract::A simple and rapid focused ultrasound extraction method was developed for the determination of Persistent Organic Pollutants (POPs) in liver tissue obtained of giant toad (Rhinella marina) using a gas chromatography coupled to a mass detector with electron impact ionization. The performed method for POPs, was validate...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-016-2009-y
更新日期:2017-02-01 00:00:00
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journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-015-1590-9
更新日期:2015-09-01 00:00:00
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journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-016-1839-y
更新日期:2016-07-01 00:00:00
abstract::It is unclear whether mercury concentration in wildlife tissues changes appreciably after lengthy frozen storage. To test whether such freezer-archived samples are stable, small (~10-50 μL) avian blood samples stored in capped glass capillary tubes were analyzed for total mercury concentration, and then reanalyzed aft...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-010-0164-0
更新日期:2011-02-01 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
pub_type: 杂志文章
doi:10.1007/s00128-010-0073-2
更新日期:2010-09-01 00:00:00
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journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-017-2148-9
更新日期:2017-09-01 00:00:00
abstract::The present study involves the assessment of metals (Cr, Ni, Pb and Cd) in contaminated agricultural soil (CAS) and abandoned chromite-asbestos waste (CW). High concentrations of Cr and Ni were found in CW (1,121-2,802 mg Cr kg(-1); 985-1,720 mg Ni kg(-1)), which CAS (1,058-1,242 mg Cr kg(-1); 1,002-1,295 mg Ni kg(-1)...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-014-1339-x
更新日期:2014-10-01 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
pub_type: 杂志文章
doi:10.1007/s00128-008-9373-1
更新日期:2008-04-01 00:00:00
abstract::Two species of marketable-size flatfish, winter flounder (Pleuronectes americanus) and American plaice (Hippoglossoides platessoides) from a fjord, were examined as sentinels for the effects of effluent discharged by a pulp and paper mill in Newfoundland, Canada. Reference samples for comparison were obtained from a p...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-010-0050-9
更新日期:2010-08-01 00:00:00