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Accumulation, speciation and uptake pathway of ZnO nanoparticles in maize
Lv, JT; Zhang, SZ; Luo, L; Zhang, J; Yang, K; Christie, P; Zhang J(张静)
2015
发表期刊ENVIRONMENTAL SCIENCE-NANO
卷号2期号:1页码:68-77
文章类型Article
摘要Engineered nanomaterials such as ZnO nanoparticles (NPs) will inevitably enter the environment because of the large quantities produced and their widespread application. Plants comprise a fundamental living component of terrestrial ecosystems; thus, understanding the interaction between ENMs and plants is important. In the present study we conducted an integrated study by employing a combination of microscopic and spectroscopic techniques to comparatively investigate the uptake of ZnO NPs and Zn2+ ions by maize in order to further elucidate plant uptake pathways of ZnO NPs. The results demonstrate that the majority of Zn taken up was derived from Zn2+ released from ZnO NPs, and Zn accumulated in the form of Zn phosphate. ZnO NPs were observed mainly in the epidermis, a small fraction of ZnO NPs were present in the cortex and root tip cells, and some further entered the vascular system through the sites of the primary root-lateral root junction. However, no ZnO nanoparticle was observed to translocate to shoots, possibly due to the dissolution and transformation of ZnO NPs inside the plants.
学科领域Chemistry; Environmental Sciences & Ecology; Science & Technology - Other Topics
DOI10.1039/c4en00064a
收录类别SCI
WOS类目Chemistry, Multidisciplinary ; Environmental Sciences ; Nanoscience & Nanotechnology
WOS记录号WOS:000349222200008
引用统计
被引频次:27[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/311005/228123
专题多学科研究中心
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GB/T 7714
Lv, JT,Zhang, SZ,Luo, L,et al. Accumulation, speciation and uptake pathway of ZnO nanoparticles in maize[J]. ENVIRONMENTAL SCIENCE-NANO,2015,2(1):68-77.
APA Lv, JT.,Zhang, SZ.,Luo, L.,Zhang, J.,Yang, K.,...&张静.(2015).Accumulation, speciation and uptake pathway of ZnO nanoparticles in maize.ENVIRONMENTAL SCIENCE-NANO,2(1),68-77.
MLA Lv, JT,et al."Accumulation, speciation and uptake pathway of ZnO nanoparticles in maize".ENVIRONMENTAL SCIENCE-NANO 2.1(2015):68-77.
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