EXAFS study on arsenic species and transformation in arsenic hyperaccumulator
Huang, ZC; Chen, TB; Lei, M; Hu, TD; Huang, QF; Hu TD(胡天斗)
刊名SCIENCE IN CHINA SERIES C-LIFE SCIENCES
2004
卷号47期号:2页码:#REF!
关键词hyperaccumulator Cretan brake (Pteris cretica L. var nervosa Thunb) arsenic species EXAFS
学科分类Life Sciences & Biomedicine - Other Topics
DOI10.1360/03yc0051
通讯作者Chen, TB (reprint author), Chinese Acad Sci, Lab Environm Remediat, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China.
文章类型Article
英文摘要Synchrotron radiation extended X-ray absorption fine structure (SR EXAFS) was employed to study the transformation of coordination environment and the redox speciation of arsenic in a newly discovered arsenic hyperaccumulator, Cretan brake (Pteris cretica L. var nervosa Thunb). It showed that the arsenic in the plant mainly coordinated with oxygen, except that some arsenic coordinated with S as As-GSH in root. The complexation of arsenic with GSH might not be the predominant detoxification mechanism in Cretan brake. Although some arsenic in root presented as As(V) in Na2HAsO4 treatments, most of arsenic in plant presented as As(III)-O in both treatments, indicating that As(V) tended to be reduced to As(I 11) after it was taken up into the root, and arsenic was kept as As(III) when it was transported to the above-ground tissues. The reduction of As(V) primarily proceeded in the root.
类目[WOS]Biology
收录类别SCI
WOS记录号WOS:000220726800004
引用统计
被引频次:13[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/311005/226324
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
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Huang, ZC,Chen, TB,Lei, M,et al. EXAFS study on arsenic species and transformation in arsenic hyperaccumulator[J]. SCIENCE IN CHINA SERIES C-LIFE SCIENCES,2004,47(2):#REF!.
APA Huang, ZC,Chen, TB,Lei, M,Hu, TD,Huang, QF,&胡天斗.(2004).EXAFS study on arsenic species and transformation in arsenic hyperaccumulator.SCIENCE IN CHINA SERIES C-LIFE SCIENCES,47(2),#REF!.
MLA Huang, ZC,et al."EXAFS study on arsenic species and transformation in arsenic hyperaccumulator".SCIENCE IN CHINA SERIES C-LIFE SCIENCES 47.2(2004):#REF!.
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