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Essential and non-essential trace metals in scalp hair of men chronically exposed to volcanogenic metals in the Azores, Portugal

2008-11Journal article Open access
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dc.contributor.authorAmaral, André
dc.contributor.authorArruda, Mónica
dc.contributor.authorCabral, Susana
dc.contributor.authorRodrigues, Armindo
dc.date.accessioned2012-05-29T11:15:03Z
dc.date.available2012-05-29T11:15:03Z
dc.date.issued2008-11
dc.descriptionCopyright © 2008 Elsevier Ltd. All rights reserved.en
dc.description.abstractVolcanoes produce and release large amounts of toxicants, and the concentration of metals in hair can be used as a biomarker of exposure to trace metals. In order to investigate whether humans exposed to volcanic emissions demonstrate higher concentrations of essential and non-essential trace metals, scalp hair of men (3–89 years) living in two areas of the Azores, one exposed to volcanic emissions and the other not, was sampled, and their content in Cd, Cu, Pb, Rb, Se, and Zn was quantified by using High Resolution Inductively Coupled Plasma Mass Spectrometry. In average, men exposed to volcanic emissions presented higher concentrations of Cd (96.9 ppb), Cu (16.2 ppm), Pb (3417.6 ppb), Rb (216.3 ppb), and Zn (242.8 ppm), but not Se (469.6 ppb). Also, strong and significant correlations were found between Cd–Rb and Pb–Rb in the exposed men. In conclusion, humans living chronically exposed to volcanic emissions show high concentrations of essential and non-essential trace metals in scalp hair, and is suggested that this type of exposure may be as harmful as living close to industrial facilities.en
dc.description.sponsorshipCIRN (University of the Azores), and DRCT (Government of the Azores). André F. S. Amaral was supported by a Postdoctoral grant from FCT (SFRH/BPD/27136/2006).en
dc.identifier.citation"Environment International". ISSN 0160-4120. Volume 34, Issue 8, 2008, pp. 1104-1108(5).en
dc.identifier.doi10.1016/j.envint.2008.03.013pt_PT
dc.identifier.issn0160-4120
dc.identifier.urihttp://hdl.handle.net/10400.3/1370
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherElsevieren
dc.subjectHealthen
dc.subjectVolcanismen
dc.subjectBiomarkersen
dc.subjectScalp Hairen
dc.subjectCadmiumen
dc.subjectCoppeen
dc.subjectLeaden
dc.subjectRubidiumen
dc.subjectSeleniumpor
dc.subjectZincen
dc.titleEssential and non-essential trace metals in scalp hair of men chronically exposed to volcanogenic metals in the Azores, Portugalen
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1108por
oaire.citation.issue8por
oaire.citation.startPage1104por
oaire.citation.titleEnvironment Internationalen
oaire.citation.volume34por
rcaap.rightsopenAccesspor
rcaap.typearticleen

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