A preliminary SRXRF study on moss as air pollution monitor

ZHANG Yuanxun1 CAO Tong2 A Iida3 YANG Chuanjun1 WANG Min2 CAO Qingchen1 ZHANG Guilin1 LI Yan1 1

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A preliminary SRXRF study on moss as air pollution monitor

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- A preliminary SRXRF study on moss as air pollution monitor
- NUCLEAR TECHNIQUES Issue 9, (2007)
- 作者机构：
  
  1. 中国科学院上海应用物理研究所
  2. 上海师范大学生命与环境科学学院
  3. PhotonFactory,NationalLaboratoryforHighEnergyPhysics,Tsukuba,Ibaraki,Japan,305
- 作者简介：
- 基金信息：
  
  中国科学院知识创新工程重要方向性项目(KJCX3.SYW.N3);国家自然科学基金项目;上海市自然科学基金项目(05ZR14143);上海市教委科研重点项目(062219);北京正负电子对撞机国家实验室项目(VR-07004);日本光子工厂KEK实验室项目(2007G504)
- DOI：
  CLC： X831
- Published：01 September 2007
- 稿件说明：
移动端阅览
[1]张元勋,曹同,A Iida,杨传俊,王敏,曹清晨,张桂林,李燕.同步辐射X荧光分析用于苔藓植物监视大气污染的初步研究[J].核技术,2007(09):730-734.

ZHANG Yuanxun1 CAO Tong2 A Iida3 YANG Chuanjun1 WANG Min2 CAO Qingchen1 ZHANG Guilin1 LI Yan1 1. A preliminary SRXRF study on moss as air pollution monitor[J]. Nuclear techniques, 2007, (9): 730-734.
[1]张元勋,曹同,A Iida,杨传俊,王敏,曹清晨,张桂林,李燕.同步辐射X荧光分析用于苔藓植物监视大气污染的初步研究[J].核技术,2007(09):730-734. DOI：

ZHANG Yuanxun1 CAO Tong2 A Iida3 YANG Chuanjun1 WANG Min2 CAO Qingchen1 ZHANG Guilin1 LI Yan1 1. A preliminary SRXRF study on moss as air pollution monitor[J]. Nuclear techniques, 2007, (9): 730-734. DOI：

摘要

为探讨苔藓植物监视大气污染的机理

我们将苔藓活体样本同时置于受工业污染的上海钢铁研究所和作为对照的上海应用物理研究所暴露一个月

在日本高能物理所（KEK）的同步辐射X荧光实验站上对它们的植株作常规的元素分析

对叶片、茎横切面作微区扫描测定

获取其Pb、Cu、Fe、Ni、Mn、Zn、Ca、K等金属元素分布。结果表明

苔藓植物的叶片和茎干吸附金属离子后不是均匀分布的

尤其是叶尖和中肋部位富集了K、Ni、Fe、Pb等元素。受污染苔藓的叶表吸附、富集了过量的Pb等金属离子

污染环境导致植物微结构和生长发育受到严重损伤

同时抑制了植物对K、Ca等微量营养元素的正常吸收。

Abstract

In an attempt to explore mechanisms of moss as air pollution biomonitor

moss samples were exposed for one month at Shanghai Iron and Steel Research Institute (SISRI

as a pollution site) and Shanghai Institute of Applied Physics (SINAP

as a control site) simultaneously. Elemental distributions in micro areas of the leaf and stem

and the whole moss tissue as well

were determined using synchrotron radiation X-ray fluorescence (SRXRF) method. The contents of metal elements of Pb

K in the leaf surface and stem slice were obtained. The re- sults showed that the metallic ions were not distributed uniformly in the polluted samples. In particular

Fe and Pb were concentrated in the leaf apex and the intermediate rib. In samples of the air pollution

excessive Pb was ad- sorbed and deposited in the leaf

causing serious damage to the plant growth and their microstructure and inhibiting the plant’s normal absorption to nutritive elements

such as K and Ca.

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Related Author

CAO Qingchen~1 ZHANG Yuanxun~1 LOU Yuxia~2 CAO Tong~2 Iida A~3 ZHANG Guilin~1 LI Yan~1 1

张元勋

娄玉霞

Iida A

SU Zijing

LIU Haigang

MENG Xiangyu

ZHANG Xiangzhi

Related Institution

Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China) 2

Shanghai Advanced Research Institute, Chinese Academy of Sciences

Shanghai Institute of Applied Physics, Chinese Academy of Sciences

ShanghaiTech University

University of Shanghai for Science and Technology

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