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Chemical Forms of Mercury in Human Hair Reveal Sources of Exposure

hal.structure.identifierInstitut des Sciences de la Terre [ISTerre]
dc.contributor.authorMANCEAU, Alain
hal.structure.identifierLaboratoire Chrono-environnement (UMR 6249) [LCE]
dc.contributor.authorENESCU, Mironel
hal.structure.identifierInstitut des Sciences de la Terre [ISTerre]
dc.contributor.authorSIMIONOVICI, Alexandre
hal.structure.identifierInstitut des Sciences de la Terre [ISTerre]
dc.contributor.authorLANSON, Martine
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorGONZALEZ-REY, Maria
hal.structure.identifierEuropean Synchrotron Radiation Facility [ESRF]
dc.contributor.authorROVEZZI, Mauro
hal.structure.identifierEuropean Synchrotron Radiation Facility [ESRF]
dc.contributor.authorTUCOULOU, Rémi
hal.structure.identifierEuropean Synchrotron Radiation Facility [ESRF]
dc.contributor.authorGLATZEL, Pieter
hal.structure.identifierInstitut Européen de Chimie et Biologie [IECB]
dc.contributor.authorNAGY, Kathryn
hal.structure.identifierInstitut Européen de Chimie et Biologie [IECB]
dc.contributor.authorBOURDINEAUD, Jean-Paul
dc.date.accessioned2024-04-19T11:44:33Z
dc.date.available2024-04-19T11:44:33Z
dc.date.issued2016-09-23
dc.identifier.issn0013-936X
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/199249
dc.description.abstractEnHumans are contaminated by mercury in different forms from different sources. In practice, contamination by methylmercury from fish consumption is assessed by measuring hair mercury concentration, whereas exposure to elemental and inorganic mercury from other sources is tested by analysis of blood or urine. Here, we show that diverse sources of hair mercury at concentrations as low as 0.5 ppm can be individually identified by specific coordination to C, N, and S ligands with high energy-resolution X-ray absorption spectroscopy. Methylmercury from seafood, ethylmercury used as a bactericide, inorganic mercury from dental amalgams, and exogenously derived atmospheric mercury bind in distinctive intermolecular configurations to hair proteins, as supported by molecular modeling. A mercury spike located by X-ray nanofluorescence on one hair strand could even be dated to removal of a single dental amalgam. Chemical forms of other known or putative toxic metals in human tissues could be identified by this approach with potential broader applications to forensic, energy, and materials science.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.subject.enMercury
dc.subject.enhair
dc.subject.enspeciation
dc.subject.enXANES
dc.subject.enspectroscopy
dc.title.enChemical Forms of Mercury in Human Hair Reveal Sources of Exposure
dc.typeArticle de revueen_US
dc.identifier.doi10.1021/acs.est.6b03468
dc.subject.halChimie
dc.subject.halChimie/Chimie théorique et/ou physique
bordeaux.journalEnvironmental Science and Technologyen_US
bordeaux.page10721-10729
bordeaux.volume50
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.issue19
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
bordeaux.import.sourcehal
hal.identifierhal-03176383
hal.version1
hal.popularnon
hal.audienceInternationale
hal.exportfalse
workflow.import.sourcehal
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Environmental%20Science%20and%20Technology&rft.date=2016-09-23&rft.volume=50&rft.issue=19&rft.spage=10721-10729&rft.epage=10721-10729&rft.eissn=0013-936X&rft.issn=0013-936X&rft.au=MANCEAU,%20Alain&ENESCU,%20Mironel&SIMIONOVICI,%20Alexandre&LANSON,%20Martine&GONZALEZ-REY,%20Maria&rft.genre=article


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