Abstract:
:The physicochemical property of standard test media significantly influenced the aggregation and dissolution of Ag, CuO and ZnO nanoparticles (NPs) and the toxicity of the NPs to Daphnia magna. For all the NPs, the highest amount of metal ions was released from the ISO medium, whereas acute toxicity to D. magna was highest in the moderately hard water medium (EC50 = 4.94, 980, and 1,950 μg L(-1) for Ag, CuO, and ZnO, respectively). By comparing EC50 values based on the total and dissolved concentrations of NPs with those of metal salt solutions, we found that both particulate and dissolved fractions were likely responsible for the toxicity of Ag NPs, whereas the dissolved fraction mostly contributed to the toxicity of CuO and ZnO NPs.
journal_name
Bull Environ Contam Toxicoljournal_title
Bulletin of environmental contamination and toxicologyauthors
Seo J,Kim S,Choi S,Kwon D,Yoon TH,Kim WK,Park JW,Jung Jdoi
10.1007/s00128-014-1337-zsubject
Has Abstractpub_date
2014-09-01 00:00:00pages
257-62issue
3eissn
0007-4861issn
1432-0800journal_volume
93pub_type
杂志文章abstract::Using several extraction methods including the QuEChERS approach, samples of both model and natural sediments were prepared. For the isolation of the target group of pesticides, two variants of two complementary extractions had to be used. Resulting extracts were analysed with LC/MS/MS. Selected methods furnishing the...
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
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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
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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
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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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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
pub_type: 杂志文章
doi:10.1007/s00128-007-9247-y
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journal_title:Bulletin of environmental contamination and toxicology
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更新日期:2008-04-01 00:00:00
abstract::A rapid multiresidue method was developed for the determination of 20 pesticides in Radix paeoniae Alba of Chinese herb by ultrasonic wave extraction, silica gel column chromatography and gas chromatography (GC) with electron-capture detection (ECD) in this study, Mean recoveries of the method ranged from 74.45 to 115...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
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更新日期:2010-06-01 00:00:00
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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,评审
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更新日期:2017-10-01 00:00:00
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journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-007-9092-z
更新日期:2007-08-01 00:00:00
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journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-009-9660-5
更新日期:2009-04-01 00:00:00
abstract::In order to solve environmental problems resulting from ammonia released into the atmosphere, the emission of ammonia contamination from monosodium glutamate (MSG) production was quantitatively observed, and the relationships with relevant influencing factors (ammonium-N, nitrate/nitrite-N and pH) were statistically a...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-010-0085-y
更新日期:2010-09-01 00:00:00
abstract::Little information has so far been known on the effects of synthetic progestogen dydrogesterone (DDG) in organisms like fish. This study aimed to investigate the effects of DDG on the transcriptional and biochemical alterations in zebrafish eleuthero-embryos. Zebrafish eleuthero-embryos were analyzed for the transcrip...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-017-2046-1
更新日期:2017-07-01 00:00:00