Species-specific toxicity of ceria nanoparticles to Lactuca plants
张鹏(多); Ma YH(马宇辉); Zhang ZY(张智勇); He X(何潇); Li YY(李源源); Zhang J(张静); Zheng LR(郑黎荣); Zhao YL(赵宇亮); Zhang, P; Ma, YH; Zhang, ZY; He, X; Li, YY; Zhang, J; Zheng, LR; Zhao, YL
刊名NANOTOXICOLOGY
2015
卷号9期号:1页码:1-8
关键词Biotransformation CeO2 Lactuca plants nanoparticles phytotoxicity
学科分类Science & Technology - Other Topics; Toxicology
DOI10.3109/17435390.2013.855829
通讯作者张智勇
文章类型Article
英文摘要Species-specific differences in the toxicity of manufactured nanoparticles (MNPs) have been reported, but the underlying mechanisms are unknown. We previously found that CeO2 NPs inhibited root elongation of head lettuce, whereas no toxic effect was observed on other plants (such as wheat, cucumber and radish). In this study, interactions between Lactuca plants and three types of CeO2 NPs (lab-synthesized 7 and 25nm CeO2 NPs, and a commercial CeO2 NPs) were investigated. It was found that CeO2 NPs were toxic to three kinds of Lactuca genus plants and different CeO2 NPs showed different degrees of toxicity. The results of X-ray absorption near edge fine structure indicate that small parts of CeO2 NPs were transformed from Ce(IV) to Ce(III) in roots of the plants that were treated with CeO2 NPs during the seed germination stage. But the high sensitivity of Lactuca plants to the released Ce3+ ions caused the species-specific phytotoxicity of CeO2 NPs. Differences in sizes and zeta potentials among three types of CeO2 NPs resulted in their different degrees of biotransformation which accounted for the discrepancy in the toxicity to Lactuca plants. This study is among the few, and may indeed the first, that addresses the relation between the physicochemical properties of nanoparticles and its species-specific phytotoxicity.
类目[WOS]Nanoscience & Nanotechnology ; Toxicology
收录类别SCI
WOS记录号WOS:000351622200001
引用统计
被引频次:18[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/311005/228269
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_多学科研究中心
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GB/T 7714
Zhang P,Ma YH,Zhang ZY,et al. Species-specific toxicity of ceria nanoparticles to Lactuca plants[J]. NANOTOXICOLOGY,2015,9(1):1-8.
APA 张鹏.,马宇辉.,张智勇.,何潇.,李源源.,...&Zhao, YL.(2015).Species-specific toxicity of ceria nanoparticles to Lactuca plants.NANOTOXICOLOGY,9(1),1-8.
MLA 张鹏,et al."Species-specific toxicity of ceria nanoparticles to Lactuca plants".NANOTOXICOLOGY 9.1(2015):1-8.
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