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Simultaneous compartmentalization of lead and arsenic in co-hyperaccumulator Viola principis H. de Boiss.: An application of SRXRF microprobe
Lei, M; Chen, TB; Huang, ZC; Wang, YD; Huang, YY; Huang YY(黄宇营)
2008
发表期刊CHEMOSPHERE
卷号72期号:10页码:1491-1496
通讯作者[Lei, Mei ; Chen, Tong-Bin ; Huang, Ze-Chun] Chinese Acad Sci, Ctr Environm Remediat, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China ; [Wang, Yao-Dong] Univ Melbourne, Sch Bot, Appl Ecol Res Grp, Melbourne, Vic 3010, Australia ; [Huang, Yu-Ying] Chinese Acad Sci, Inst High Energy Phys, Lab Synchrotron Radiat, Beijing 100039, Peoples R China
摘要The cellular distributions of Pb and As in the leaves of co-hyperaccumulator Viola principis H. de Boiss. were inspected by synchrotron X-ray fluorescence spectroscopy (SRXRF). The results revealed that Pb and As had similar compartmentalization patterns in the leaves. Both elements were enriched in the bundle sheath and the palisade mesophyll. In comparison with the sheath and the mesophyll, the vascular bundle and the epidermis contained lower levels of Pb and As. The palisade enrichment of Pb and As indicated that V. principis H. de Boiss. may have a special mechanism on detoxification of toxic metals within the mesophyll cells. Relative concentrations of both Pb and As in trichome bases were higher than those in trichome rays. The results of hierarchical cluster analysis and correlation analysis confirmed that the distribution of Pb was similar to that of As in the leaves, and their distribution patterns were different from the nutrient elements, such as K, Ca, Mn, Fe, Ni, Cu and Zn. In vivo cellular localization of Pb and As in the leaves provides insight into the physiological mechanisms of metal tolerance and hyperaccumulation in the hyperaccumulators. (C) 2008 Elsevier Ltd. All rights reserved.
文章类型Article
关键词heavy metal micro-distribution nutrient element phytoremediation synchrotron radiation X-ray fluorescence trichome
学科领域Environmental Sciences & Ecology
研究领域[WOS]Environmental Sciences & Ecology
DOI10.1016/j.chemosphere.2008.04.084
URL查看原文
语种英语
WOS类目Environmental Sciences
WOS记录号WOS:000259166200014
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被引频次:21[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/311005/239384
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Lei, M,Chen, TB,Huang, ZC,et al. Simultaneous compartmentalization of lead and arsenic in co-hyperaccumulator Viola principis H. de Boiss.: An application of SRXRF microprobe[J]. CHEMOSPHERE,2008,72(10):1491-1496.
APA Lei, M,Chen, TB,Huang, ZC,Wang, YD,Huang, YY,&黄宇营.(2008).Simultaneous compartmentalization of lead and arsenic in co-hyperaccumulator Viola principis H. de Boiss.: An application of SRXRF microprobe.CHEMOSPHERE,72(10),1491-1496.
MLA Lei, M,et al."Simultaneous compartmentalization of lead and arsenic in co-hyperaccumulator Viola principis H. de Boiss.: An application of SRXRF microprobe".CHEMOSPHERE 72.10(2008):1491-1496.
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