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Chemical speciation and oxidative potential of PM10 in different residential microenvironments: Bedroom, living room and kitchen

2025Artigo científico Acesso aberto
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dc.contributor.authorCipoli, Yago Alonso
dc.contributor.authorVicente, Estela D.
dc.contributor.authorEvtyugina, Margarita
dc.contributor.authorFigueiredo, Daniela R.
dc.contributor.authorPietrogrande, Maria C.
dc.contributor.authorLucarelli, Franco
dc.contributor.authorFeliciano, Manuel
dc.contributor.authorRyšavý, Jiří
dc.contributor.authorAlves, Célia
dc.date.accessioned2024-11-07T14:46:49Z
dc.date.available2024-11-07T14:46:49Z
dc.date.issued2025
dc.description.abstractExposure to particulate matter (PM) and its chemical constituents in residential microenvironments has become a major health concern worldwide. The oxidative potential (OP) has been proposed as a metric for estimating the PM capacity to induce oxidative stress and, consequently, health effects. In the present study, PM10 was daily monitored simultaneously in the bedroom, living room and kitchen of three dwellings for one week in a small town of Portugal, to perform a detailed characterisation of its organic and inorganic constituents and the determination of the OP. Bedrooms (B) were found to be a hotspot of PM10 concentrations (B1 = 22.7 μg m-3; B2 = 19.5 μg m-3; B3 = 68.1 μg m-3). PM10-bound elements varied significantly between microenvironments in all dwellings. Lower molecular weight polycyclic aromatic hydrocarbons (PAHs) were found to be between 14 and 72 times higher than high molecular weight PAHs in bedrooms. The mean volume-normalised OP determined by the dithiothreitol and ascorbic acid assays varied within the 0.01–0.38 nmol min-1 m-3 and 0.03–0.53 nmol min-1 m-3 ranges, respectively. Quinones, oxy-aromatic, aromatic and alkyl-aromatic compounds stood out in bedrooms. Strong and significantly positive relationship between OP and black carbon, Cu and Br were observed, indicating common redox active species mainly associated with traffic emissions. Sr, Fe, Zn and Zr presented higher concentrations in dwelling 3, exhibiting excellent positive correlation with OP, indicating that the Sahara dust intrusion recorded in that house may have contributed to the formation of more redox active species thought to drive antioxidant depletion responses.pt_PT
dc.description.sponsorshipYago A. Cipoli (SFRH/BD/04992/2021) and Daniela Figueiredo (DOI:10.54499/2020.06414.BD) acknowledge the Portuguese Foundation for Science and Technology (FCT) for the PhD scholarship. FCT is also acknowledged for the research contract under Scientific Employment Stimulus to Estela D. Vicente (DOI:10.54499/2022.00399.CEECIND/CP1720/CT0012). The authors are grateful to FCT for its financial support through national funds FCT/MCTES (PIDDAC) to CIMO (UIDB/ 00690/2020 and UIDP/00690/2020), SusTEC (LA/P/0007/2020) and CESAM (UIDP/50017/2020, UIDB/50017/2020 and LAP/0094/2020). We thank the volunteers for their support in carrying out the monitoring campaign.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCipoli, Yago Alonso; Vicente, Estela D.; Evtyugina, Margarita; Figueiredo, Daniela; Pietrogrande, Maria C.; Lucarelli, Franco; Feliciano, Manuel; Ryšavý, Jiří; Alves, Célia (2025). Chemical speciation and oxidative potential of PM10 in different residential microenvironments: Bedroom, living room and kitchen. Building and Environment. ISSN 0360-1323. 267, p. 1-12pt_PT
dc.identifier.doi10.1016/j.buildenv.2024.112181pt_PT
dc.identifier.issn0360-1323
dc.identifier.urihttp://hdl.handle.net/10198/30513
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationHOPE: HousehOld Particulate mattEr: sources, chemical composition and toxicity.
dc.relationMountain Research Center
dc.relationMountain Research Center
dc.relationAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
dc.relationCentre for Environmental and Marine Studies
dc.relationCentre for Environmental and Marine Studies
dc.relationCentre for Environmental and Marine Studies
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectParticulate matterpt_PT
dc.subjectMetal(loid)spt_PT
dc.subjectOrganic tracerspt_PT
dc.subjectPolycyclic aromatic hydrocarbonspt_PT
dc.subjectDwellingspt_PT
dc.subjectIndoor sourcespt_PT
dc.titleChemical speciation and oxidative potential of PM10 in different residential microenvironments: Bedroom, living room and kitchenpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleHOPE: HousehOld Particulate mattEr: sources, chemical composition and toxicity.
oaire.awardTitleMountain Research Center
oaire.awardTitleMountain Research Center
oaire.awardTitleAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
oaire.awardTitleCentre for Environmental and Marine Studies
oaire.awardTitleCentre for Environmental and Marine Studies
oaire.awardTitleCentre for Environmental and Marine Studies
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//2021.04992.BD/PT
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oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0094%2F2020/PT
oaire.citation.endPage12pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleBuilding and Environmentpt_PT
oaire.citation.volume267pt_PT
oaire.fundingStreamPOR_CENTRO
oaire.fundingStreamCEEC IND5ed
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
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person.familyNameFeliciano
person.givenNameManuel
person.identifier.ciencia-id2D11-7230-702B
person.identifier.orcid0000-0002-3147-4511
person.identifier.scopus-author-id6603358480
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project.funder.nameFundação para a Ciência e a Tecnologia
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rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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