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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
The fate of arsenic, cadmium and lead in Typha latifolia: A case study on the applicability of micro-PIXE in plant ionomics.
J. Hazard. Mater. 248, 371-378 (2013)
Understanding the uptake, accumulation and distribution of toxic elements in plants is crucial to the design of effective phytoremediation strategies, especially in the case of complex multi-element pollution. Using micro-proton induced X-ray emission, the spatial distribution of Na, Mg, Al, Si, P, S, Cl, K, Ca, Mn, Fe, Zn, As, Br, Rb, Sr, Cd and Pb have been quantitatively resolved in roots and rhizomes of an obligate wetland plant species, Typha latifolia, treated with a mixture of 100 mu M each of As, Cd and Pb, together. The highest concentrations of As, Cd and Pb were found in the roots of the T. latifolia, with tissue-specific distributions. The As was detected in the root rhizodermis, and in the rhizome the majority of the As was within the vascular tissues, which indicates the high mobility of As within T. latifolia. The Cd was detected in the root exodermis, and in the vascular bundle and epidermis of the rhizome. The highest Pb concentrations were detected in the root rhizodermis and exodermis, and in the epidermis of the rhizome. These data represent an essential step in the resolution of fundamental questions in plant ionomics.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Arsenic ; Cadmium ; Elemental Distribution ; Lead, Macrophyte ; Microscopy ; Phytoremediation; Hyperaccumulator Thlaspi-praecox ; Heavy-metals ; Nuclear Microprobe ; Contaminated Soils ; Localization ; Accumulation ; Quantification ; Leaves ; L. ; Nutrients
ISSN (print) / ISBN
0304-3894
e-ISSN
1873-3336
Zeitschrift
Journal of Hazardous Materials
Quellenangaben
Band: 248,
Heft: 1,
Seiten: 371-378
Verlag
Elsevier
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed
Institut(e)
Research Unit Microbe-Plant Interactions (AMP)