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Distribution and bioavailability of ceria nanoparticles in an aquatic ecosystem model
张鹏(多); He X(何潇); 马宇辉;Zhang, P; He, X; Ma, YH; Lu, K; Zhao, YL; Zhang, ZY;赵宇亮; Zhang ZY(张智勇)
Source PublicationCHEMOSPHERE
AbstractAlong with the increasing utilization of engineered nanoparticles, there is a growing concern for the potential environmental and health effects of exposure to these newly designed materials. Understanding the behavior of nanoparticles in the environment is a basic need. The present study aims to investigate the distribution and fate of ceria nanoparticles in an aquatic system model which consists of sediments, water, hornworts, fish and snails, using a radiotracer technique. Concentrations of ceria in the samples at regular time intervals were measured. Ceria nanoparticles were readily removed from the water column and partitioned between different organisms. Both snail and fish have fast absorption and clearance abilities. Hornwort has the highest bioaccumulation factors. At the end of the experiment, sediments accumulated most of the nanoparticles with a recovery of 75.7 +/- 27.3% of total ceria nanoparticles, suggesting that sediments are major sinks of ceria nanoparticles. (C) 2012 Elsevier Ltd. All rights reserved.
KeywordCeria nanoparticles Aquatic ecosystem Radiotracer technique Distribution Bioavailability
Subject AreaEnvironmental Sciences & Ecology
Indexed BySCI ; ADS
WOS IDWOS:000308055900007
ADS Bibcode2012Chmsp..89..530Z
ADS URLhttps://ui.adsabs.harvard.edu/abs/2012Chmsp..89..530Z
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2012Chmsp..89..530Z/citations
Citation statistics
Cited Times:5 [ADS]
Document Type期刊论文
Recommended Citation
GB/T 7714
Zhang P,He X,马宇辉;Zhang, P,et al. Distribution and bioavailability of ceria nanoparticles in an aquatic ecosystem model[J]. CHEMOSPHERE,2012,89(5):530-535.
APA 张鹏.,何潇.,马宇辉;Zhang, P.,He, X.,Ma, YH.,...&张智勇.(2012).Distribution and bioavailability of ceria nanoparticles in an aquatic ecosystem model.CHEMOSPHERE,89(5),530-535.
MLA 张鹏,et al."Distribution and bioavailability of ceria nanoparticles in an aquatic ecosystem model".CHEMOSPHERE 89.5(2012):530-535.
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