Abstract：
:It is well known that dissolved organic matter in soil solution may affect the toxicity or bioavailability of heavy metals to plants, but existing information on various organic substances is insufficient for treating problems with heavy metal-contaminated soils. To clarify how dissolved organic matter alters the toxicity and bioavailability of metals, we germinated lettuce seeds exposed to solutions containing Cu and several kinds of dissolved organic matters. Low molecular weight organic acids (citric, malic, and oxalic acids) increased the toxicity and bioavailability of Cu, but low concentrations of the synthetic chelators ethylenediamine tetra-acetic acid (EDTA) and diethylenetriamine penta-acetic acid (DTPA) decreased the toxicity and bioavailability of Cu. In contrast, humic acid appeared to be the most effective organic substance for detoxifying Cu, even though it did not significantly decrease the bioavailability of Cu. Consequently, the bioavailability and toxic effects of Cu in soil depend on the nature of coexisting organic substances in the soil solution.
journal_name
Environ Intjournal_title
Environment internationalauthors
Inaba S,Takenaka Cdoi
10.1016/j.envint.2004.10.017subject
Has Abstractpub_date
2005-05-01 00:00:00pages
603-8issue
4eissn
0160-4120issn
1873-6750pii
S0160-4120(04)00192-8journal_volume
31pub_type
杂志文章abstract：INTRODUCTION:Tobacco presence in outdoor children's playgrounds is concerning not only because it leads to secondhand smoke (SHS) exposure, but also cigarette butt pollution and tobacco normalization. OBJECTIVES:This study aimed to assess SHS exposure in children's playgrounds, according to area-level socioeconomic st...
journal_title：Environment international
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journal_title：Environment international
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journal_title：Environment international
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journal_title：Environment international
pub_type： 杂志文章
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journal_title：Environment international
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journal_title：Environment international
pub_type： 杂志文章,评审
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pub_type： 杂志文章
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2018.03.008
更新日期：2018-05-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2017.07.001
更新日期：2017-10-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2014.12.004
更新日期：2015-03-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
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journal_title：Environment international
pub_type： 杂志文章,评审
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更新日期：2021-02-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2007.12.007
更新日期：2008-07-01 00:00:00
abstract：:The use of pesticides for crop protection may result in the presence of toxic residues in environmental matrices. In the aquatic environment, pesticides might freely dissolve in the water or bind to suspended matter and to the sediments, and might be transferred to the organisms' tissues during bioaccumulation process...
journal_title：Environment international
pub_type： 杂志文章,评审
doi：10.1016/j.envint.2012.12.005
更新日期：2013-03-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2016.05.018
更新日期：2016-09-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2014.06.004
更新日期：2014-10-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2016.04.014
更新日期：2016-09-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2005.08.020
更新日期：2006-02-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章,评审
doi：10.1016/j.envint.2008.07.018
更新日期：2009-01-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2014.01.010
更新日期：2014-05-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2020.105782
更新日期：2020-08-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2016.07.002
更新日期：2016-09-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2020.105591
更新日期：2020-05-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章,评审
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更新日期：2008-10-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/s0160-4120(01)00060-5
更新日期：2001-10-01 00:00:00
abstract：:The occurrence of viable but non-culturable (VBNC) bacteria will result in significant underestimation of viable bacterial counts in drinking water. Whereas, much is unknown in characterizing their viability. In this study, two environmental isolates (Aeromonas sp. and Pseudomonas sp.) and two model strains (E. coli a...
journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2019.05.077
更新日期：2019-09-01 00:00:00
