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Distribution in internodal cells of Chara and the bonding states with the cell wall of lanthanum
Jiang WJ(姜文君); Li ZJ(李子杰); Zhang ZY(张智勇); Zhang J(张静); Liu T(刘涛); Chai ZF(柴之芳); Jiang, WJ; Li, ZJ; Zhang, ZY; Zhang, J; Liu, T; Yu, M; Zhou, YL; Chai, ZF
Corresponding Author[Jiang Wen-Jun ; Li Zi-Jie ; Zhang Zhi-Yong ; Chai Zhi-Fang] Chinese Acad Sci, Inst High Energy Phys, Key Lab Nucl Analyt Tech, Beijing 100049, Peoples R China ; [Zhang Jing ; Liu Tao] Beijing Synchrotron Raduat Facil, Beijing 100049, Peoples R China ; [Yu Ming ; Zhou Yu-Long] Beijing Normal Univ, Coll Life Sci, Beijing 100875, Peoples R China
AbstractDistribution and coordination environment of lanthanum (La) in internodal cells of Chara have been determined by inductively coupled plasma-mass spectrometry and X-ray absorption spectroscopy (XAS). The results indicate that. after treatment with 4 mu mol center dot dm(-3) LaCl(3) solution for 12 h, most of La in cells is located in the cell wall fraction and the bonding is tight. The order of La concentrations in the subcellular fractions is cell wall >> cytoplasm > vacuole. The results of XAS show that La(3+) is coordinated to 9 oxygen atoms in the cell wall, and the coordination environment is similar to that of lanthanum acetate, which indicates that La bonds to the cell component via carboxylate groups. According to the high ability of La accumulation, Chara can act as a biological indicator or scavenger of rare earth pollution in aqueous solutions.
Keywordlanthanum rare earth charophyte alga X-ray absorption spectroscopy inductively coupled plasma mass spectrometry
Subject AreaChemistry
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000258702400024
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Document Type期刊论文
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Jiang WJ,Li ZJ,Zhang ZY,et al. Distribution in internodal cells of Chara and the bonding states with the cell wall of lanthanum[J]. ACTA CHIMICA SINICA,2008,66(14):1740-1744.
APA 姜文君.,李子杰.,张智勇.,张静.,刘涛.,...&Chai, ZF.(2008).Distribution in internodal cells of Chara and the bonding states with the cell wall of lanthanum.ACTA CHIMICA SINICA,66(14),1740-1744.
MLA 姜文君,et al."Distribution in internodal cells of Chara and the bonding states with the cell wall of lanthanum".ACTA CHIMICA SINICA 66.14(2008):1740-1744.
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