Micro-PIXE studies of elemental distribution in Cd-accumulating Brassica juncea L.

被引：24
|
作者：
Schneider, T
Haag-Kerwer, A
Maetz, M
Niecke, M
Povh, B
Rausch, T
Schüssler, A
机构：
[1] Max Planck Inst Kernphys, D-69029 Heidelberg, Germany
[2] Univ Heidelberg, Inst Bot, D-69120 Heidelberg, Germany
[3] Univ Hamburg, Inst Expt Phys Umweltanalyt, D-20355 Hamburg, Germany
[4] Tech Univ Darmstadt, Inst Bot, D-64287 Darmstadt, Germany
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1999年 / 158卷 / 1-4期
关键词：
PIXE; STIM; microanalysis; botany; heavy metal uptake; Brassica juncea L; cadmium;
D O I：
10.1016/S0168-583X(99)00356-0
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Brassica juncea L. is a high biomass producing crop plant, being able to accumulate Cd and other heavy metals in their roots and shoots. It is a good candidate for efficient phytoextraction of heavy metals - such as Cd - from polluted soils. PIXE and STIM analyses were applied to investigate Cd-uptake in roots and the resulting effects on the elemental distribution of Cd stressed plants. The axial distribution of trace elements as a function of distance from the root tip as well as the radial distribution within cross-sections were analysed. The results are compared with the elemental distribution in control plants. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：329 / 334
页数：6
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