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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
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
EISSN1873-6424
Volume198Pages:8-14
Corresponding Author张智勇
SubtypeArticle
AbstractTransformation 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.
KeywordTransformation Translocation CeO2 CePO4 Nanoparticles Plant
Subject AreaEnvironmental Sciences & Ecology
DOI10.1016/j.envpol.2014.12.017
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences
WOS SubjectEnvironmental Sciences & Ecology
WOS IDWOS:000350191600002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/228258
Collection院士
多学科研究中心
Recommended Citation
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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