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Transformation of ceria nanoparticles in cucumber plants is influenced by phosphate
张鹏(多); Ma YH(马宇辉); He X(何潇); Li YY(李媛媛); Zhang J(张静); Zheng LR(郑黎荣); Chu SQ(储胜启); Chai ZF(柴之芳); Zhao YL(赵宇亮); Zhang ZY(张智勇); Rui, YK; Zhang, P; Zhang, YB; Ma, YH; He, X; Gui, X; Li, YY; Zhang, J; Zheng, LR; Chu, SQ; Guo, Z; Chai, ZF; Zhao, YL; Zhang, ZY
2015
发表期刊ENVIRONMENTAL POLLUTION
卷号198页码:8-14
通讯作者张智勇
摘要Transformation is a critical factor that affects the fate and toxicity of manufactured nanoparticles (NPs) in the environment and living organisms. This paper aims to investigate the effect of phosphate on the transformation of CeO2 NPs in hydroponic plants. Cucumber seedlings were treated with 2000 mg/L CeO2 NPs in nutrient solutions with or without adding phosphate (+P or -P) for 3 weeks. Large quantities of needle-like CePO4 was found outside the epidermis in the +P group. While in the -P group, CePO4 only existed in the intercellular spaces and vacuole of root cells. X-ray absorption near edge spectroscopy (XANES) indicates that content and percentage of Ce-carboxylates in the shoots of -P group (418 mg/kg, 67.5%) were much higher than those in the +P group (30.1 mg/kg, 21%). The results suggest that phosphate might influence the transformation process of CeO2 NPs in plants and subsequently their ultimate fate in the ecosystem. (C) 2014 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Transformation Translocation CeO2 CePO4 Nanoparticles Plant
学科领域Environmental Sciences & Ecology
DOI10.1016/j.envpol.2014.12.017
收录类别SCI
WOS类目Environmental Sciences
WOS记录号WOS:000350191600002
引用统计
被引频次:25[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/311005/228258
专题院士
粒子天体物理中心
多学科研究中心
推荐引用方式
GB/T 7714
Zhang P,Ma YH,He X,et al. Transformation of ceria nanoparticles in cucumber plants is influenced by phosphate[J]. ENVIRONMENTAL POLLUTION,2015,198:8-14.
APA 张鹏.,马宇辉.,何潇.,李媛媛.,张静.,...&Zhang, ZY.(2015).Transformation of ceria nanoparticles in cucumber plants is influenced by phosphate.ENVIRONMENTAL POLLUTION,198,8-14.
MLA 张鹏,et al."Transformation of ceria nanoparticles in cucumber plants is influenced by phosphate".ENVIRONMENTAL POLLUTION 198(2015):8-14.
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