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On the assessment of exposure to airborne ultrafine particles in urban environments

2012-10Journal article Open access
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dc.contributor.authorGomes, João Pereira
dc.contributor.authorBordado, João Moura
dc.contributor.authorAlbuquerque, Paula Cristina
dc.date.accessioned2012-11-12T15:52:24Z
dc.date.available2012-11-12T15:52:24Z
dc.date.issued2012-10
dc.description.abstractThe aim of this study was to contribute to the assessment of exposure levels of ultrafine particles in the urban environment of Lisbon, Portugal, due to automobile traffic, by monitoring lung deposited alveolar surface area (resulting from exposure to ultrafine particles) in a major avenue leading to the town center during late spring, as well as in indoor buildings facing it. Data revealed differentiated patterns for week days and weekends, consistent with PM2.5 and PM10 patterns currently monitored by air quality stations in Lisbon. The observed ultrafine particulate levels may be directly correlated with fluxes in automobile traffic. During a typical week, amounts of ultrafine particles per alveolar deposited surface area varied between 35 and 89.2 μm2/cm3, which are comparable with levels reported for other towns in Germany and the United States. The measured values allowed for determination of the number of ultrafine particles per cubic centimeter, which are comparable to levels reported for Madrid and Brisbane. In what concerns outdoor/indoor levels, we observed higher levels (32 to 63%) outdoors, which is somewhat lower than levels observed in houses in Ontario.por
dc.identifier.citationGomes JP, Bordado JM, Albuquerque PC. On the assessment of exposure to airborne ultrafine particles in urban environments. J Toxicol Environ Health A. 2012;75(22-23):1316–29.por
dc.identifier.issn1528-7394
dc.identifier.urihttp://hdl.handle.net/10400.21/1905
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherTaylor & Francispor
dc.relation.publisherversionhttps://www.tandfonline.com/doi/abs/10.1080/15287394.2012.721163por
dc.subjectSaúde ambientalpor
dc.subjectPoluição do arpor
dc.subjectTráfego rodoviáriopor
dc.subjectEnvironmental healthpor
dc.subjectAir pollutionpor
dc.subjectAutomobile trafficpor
dc.subjectPortugalpor
dc.subjectLisboapor
dc.titleOn the assessment of exposure to airborne ultrafine particles in urban environmentspor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1329por
oaire.citation.startPage1316por
oaire.citation.titleJournal of Toxicology and Environmental Health, Part Apor
oaire.citation.volume75por
rcaap.rightsopenAccesspor
rcaap.typearticlepor

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