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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)
2012
发表期刊CHEMOSPHERE
卷号89期号:5页码:530-535
摘要Along 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.
关键词Ceria nanoparticles Aquatic ecosystem Radiotracer technique Distribution Bioavailability
学科领域Environmental Sciences & Ecology
DOI10.1016/j.chemosphere.2012.05.044
收录类别SCI
WOS记录号WOS:000308055900007
引用统计
被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224007
专题多学科研究中心
推荐引用方式
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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