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Lyubenova, L. ; Pongrac, P.* ; Vogel-Mikus, K.* ; Mezek, G.K.* ; Vavpetic, P.* ; Grlj, N.* ; Regvar, M.* ; Pelicon, P.* ; Schröder, P.

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)
DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
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
Quellenangaben Band: 248, Heft: 1, Seiten: 371-378 Artikelnummer: , Supplement: ,
Verlag Elsevier
Begutachtungsstatus Peer reviewed