Chrysotile asbestos is progressively converted into a non-fibrous amorphous material by the chelating action of lichen metabolites

A natural deactivation of chrysotile asbestos occurs on serpentinite rocks where lichens selectively grow on the fibres and secrete metabolites, including oxalic acid, which, in the long term, turn the fibres into a non-toxic amorphous material.

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Bibliographische Detailangaben
Veröffentlicht in:	Journal of environmental monitoring 2005-08, Vol.7 (8), p.764-764
Hauptverfasser:	Favero-Longo, Sergio E, Turci, Francesco, Tomatis, Maura, Castelli, Daniele, Bonfante, Paola, Hochella, Michael F, Piervittori, Rosanna, Fubini, Bice
Format:	Artikel
Sprache:	eng
Schlagworte:	Asbestos, Serpentine - chemistry Chelating Agents - chemistry Chelating Agents - metabolism Lichens - metabolism Lichens - ultrastructure Oxalic Acid - chemistry Oxalic Acid - metabolism Silicon Dioxide - chemistry
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Beschreibung
Zusammenfassung:	A natural deactivation of chrysotile asbestos occurs on serpentinite rocks where lichens selectively grow on the fibres and secrete metabolites, including oxalic acid, which, in the long term, turn the fibres into a non-toxic amorphous material.
ISSN:	1464-0325 1464-0333 1464-0333
DOI:	10.1039/b507569f