Abstract：
:Joint toxicity of Pb2+, Cr3+, Co2+ and Ni2+ toward Photobacterium phosphoreum (Ph. phosphoreum) at the no observed effect concentration (NOEC) was determined through a factorial experiment. A neural network model was designed according to experimental results and employed for toxicity prediction of unary, binary, ternary and quaternary combinations. The mechanism and trends of joint toxicity were interpreted by quantitative structure-activity relationship, Michaelis-Menten kinetic model, and concentration addition (CA) theory. Toxicity was directly related to the covalent index (Xm2r), covalent binding reaction presented a first and zero order reaction at low and high concentration, respectively, and CA accurately predicted toxicity. Additionally, the results showed that low concentrations of heavy metals should be considered when conducting environment risk assessment.
journal_name
Bull Environ Contam Toxicoljournal_title
Bulletin of environmental contamination and toxicologyauthors
Zeng Y,Wang L,Jiang L,Cai X,Li Ydoi
10.1007/s00128-015-1568-7subject
Has Abstractpub_date
2015-08-01 00:00:00pages
260-4issue
2eissn
0007-4861issn
1432-0800journal_volume
95pub_type
杂志文章abstract：:This study evaluates the long-term behavior of metals in soils treated with ethylenediaminedisuccinate for remediation purposes. The addition of the chelant led to a significant increase of water-extractable copper, iron, aluminum contents and their uptake by poplar. Increased concentrations of the metals were present...
journal_title：Bulletin of environmental contamination and toxicology
pub_type： 杂志文章
doi：10.1007/s00128-011-0255-6
更新日期：2011-05-01 00:00:00
abstract：:This study examined the spatial distribution of total mercury (THg) and total arsenic (TAs) in water, soil and cassava (Manihot esculenta) (leaves and roots) samples taken from areas in Rwamagasa village in northwestern Tanzania where daily living activities occur in close proximity to extensive artisanal and small sc...
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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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
pub_type： 杂志文章
doi：10.1007/s00128-008-9450-5
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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/BF01705513
更新日期：1975-10-01 00:00:00
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journal_title：Bulletin of environmental contamination and toxicology
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更新日期：2011-05-01 00:00:00
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journal_title：Bulletin of environmental contamination and toxicology
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更新日期：2009-01-01 00:00:00
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journal_title：Bulletin of environmental contamination and toxicology
pub_type： 杂志文章
doi：10.1007/s00128-012-0536-8
更新日期：2012-04-01 00:00:00
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journal_title：Bulletin of environmental contamination and toxicology
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doi：10.1007/s00128-013-1003-x
更新日期：2013-07-01 00:00:00
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journal_title：Bulletin of environmental contamination and toxicology
pub_type： 杂志文章
doi：10.1007/s00128-010-0085-y
更新日期：2010-09-01 00:00:00
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更新日期：2020-06-01 00:00:00
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doi：10.1007/s00128-010-9934-y
更新日期：2010-03-01 00:00:00
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journal_title：Bulletin of environmental contamination and toxicology
pub_type： 杂志文章
doi：10.1007/s00128-009-9785-6
更新日期：2009-09-01 00:00:00
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pub_type： 杂志文章
doi：10.1007/s00128-017-2179-2
更新日期：2017-11-01 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
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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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更新日期：2012-01-01 00:00:00
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journal_title：Bulletin of environmental contamination and toxicology
pub_type： 杂志文章
doi：10.1007/s00128-008-9443-4
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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/s00128-017-2180-9
更新日期：2017-11-01 00:00:00
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journal_title：Bulletin of environmental contamination and toxicology
pub_type： 杂志文章
doi：10.1007/s00128-011-0424-7
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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
pub_type： 杂志文章
doi：10.1007/s00128-011-0212-4
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journal_title：Bulletin of environmental contamination and toxicology
pub_type： 杂志文章
doi：10.1007/s00128-015-1657-7
更新日期：2016-02-01 00:00:00
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journal_title：Bulletin of environmental contamination and toxicology
pub_type： 杂志文章
doi：10.1007/s00128-016-2016-z
更新日期：2017-05-01 00:00:00
abstract：:The objective of the present study was to investigate the levels of metals (Cd, Cu, Zn, Pb and Cr) in muscle, gill, liver, kidney and intestine of two freshwater fish, Ctenopharyngodon idella and Perca fluviatilis, in Anzali Wetland, Iran. The concentrations were different between the fish species as well as among the...
journal_title：Bulletin of environmental contamination and toxicology
pub_type： 杂志文章
doi：10.1007/s00128-012-0795-4
更新日期：2012-10-01 00:00:00
