Abstract:
:Cadmium bioaccumulation in tubificid oligochaetes in relation to metal vertical distribution in sediment and bioturbation intensity was studied during a 56-day experiment with a constant contamination source in the overlying water (20 microg L(-1)). The indoor microcosms simulate a two-compartment biotope with three experimental treatments based on metal exposure and faunal composition: contaminated water column with or without worms and uncontaminated water column with worms. Cadmium bioaccumulation in worms was studied after 7, 14, 21, 28, and 56 days. Bioturbation was analyzed as a functional parameter representative of organisms' activity and using conservative particulate tracers: luminophores (phi = 63-100 microm and 100-315 microm) and microspheres (phi = 1 microm). The results show no significant effects of cadmium exposure on bioturbation, despite high bioaccumulation levels in worms (50 microg g(-1) dry wt.), suggesting the existence of detoxification/sequestration processes.
journal_name
Ecotoxicol Environ Safjournal_title
Ecotoxicology and environmental safetyauthors
Ciutat A,Gerino M,Mesmer-Dudons N,Anschutz P,Boudou Adoi
10.1016/j.ecoenv.2004.08.005keywords:
subject
Has Abstractpub_date
2005-03-01 00:00:00pages
237-46issue
3eissn
0147-6513issn
1090-2414pii
S0147-6513(04)00132-0journal_volume
60pub_type
杂志文章abstract::The whole-body uptake of cadmium by the three-spined stickleback (Gasterosteus aculeatus) has been measured after exposure of fish to 2.5 and 5.0 mg Cd2+/liter hard water and equal amounts of 2.0 mg Cd2+ plus 2 mg Zn2+/liter and 4.0 mg Cd2+ plus 4.0 mg Zn2+/liter hard water, respectively. Fish absorbed and retained ca...
journal_title:Ecotoxicology and environmental safety
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journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
doi:10.1016/j.ecoenv.2008.09.026
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journal_title:Ecotoxicology and environmental safety
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journal_title:Ecotoxicology and environmental safety
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journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
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journal_title:Ecotoxicology and environmental safety
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journal_title:Ecotoxicology and environmental safety
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journal_title:Ecotoxicology and environmental safety
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journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
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更新日期:2019-10-15 00:00:00
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journal_title:Ecotoxicology and environmental safety
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更新日期:2013-02-01 00:00:00
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journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
doi:10.1006/eesa.2000.2036
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journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
doi:10.1006/eesa.2001.2213
更新日期:2002-09-01 00:00:00
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journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
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更新日期:2021-03-01 00:00:00
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journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
doi:10.1016/j.ecoenv.2019.109751
更新日期:2019-12-30 00:00:00
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journal_title:Ecotoxicology and environmental safety
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journal_title:Ecotoxicology and environmental safety
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journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
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journal_title:Ecotoxicology and environmental safety
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journal_title:Ecotoxicology and environmental safety
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abstract::In order to investigate the pollution level and chemical form transformation characteristics of heavy metals, atmospheric fine particles and coarse particles were collected in an urban industrial area of Zhuzhou City in central China during winter and summer. The results indicated that PM2.5 and PM10 all showed simila...
journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
doi:10.1016/j.ecoenv.2019.04.024
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abstract::Polycyclic aromatic hydrocarbons (PAHs) are lipophilic compounds able to accumulate in the food chain. Mussels showed to bioaccumulate contaminants, such as PAHs, so that recurrent consumption of such contaminated food represents a risk for human health. This study was aimed to elucidate if acute exposure of Mediterra...
journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
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journal_title:Ecotoxicology and environmental safety
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journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
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journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
doi:10.1016/j.ecoenv.2008.07.010
更新日期:2009-02-01 00:00:00
abstract::The potential for using pink hydra (Hydra vulgaris) and green hydra (Hydra viridissima) as a model invertebrate for the toxicity testing of xenobiotics was investigated. Test compounds were 4-chlorophenol, endosulfan, and copper. The reference toxicant 4-chlorophenol was used as a standard during toxicity testing to e...
journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
doi:10.1006/eesa.1999.1796
更新日期:1999-07-01 00:00:00
abstract::Arsenic contamination of drinking water affects more than 137 million people and has been linked to several adverse health effects. The traditional toxicological approach, "dose-response" graphs, are limited in their ability to unveil the relationships between potential risk factors of arsenic exposure for adverse hum...
journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
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abstract::The vitellogenin (VTG) in fish has been used as an important biomarker for monitoring endocrine disrupting compounds (EDCs). This paper reports the development of a new monoclonal antibody (McAb) against the VTG of crucian carp (Carassius carassius). The McAb has a molecular weight of 149.4 kDa (heavy chain: 53.1 kDa;...
journal_title:Ecotoxicology and environmental safety
pub_type: 杂志文章
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