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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP-
dc.contributor.authorMOREIRA, Tiana Carla Lopes-
dc.contributor.authorOLIVEIRA, Regiani Carvalho de-
dc.contributor.authorAMATO, Luis Fernando Lourenco-
dc.contributor.authorKANG, Choong-Min-
dc.contributor.authorSALDIVA, Paulo Hilario Nascimento-
dc.contributor.authorSAIKI, Mitiko-
dc.identifier.citationENVIRONMENT INTERNATIONAL, v.91, p.271-275, 2016-
dc.description.abstractIt is of great interest to evaluate if there is a relationship between possible sources and trace elements using biomonitoring techniques. In this study, tree bark samples of 171 trees were collected using a biomonitoring technique in the inner city of Sao Paulo. The trace elements (Al, Ba, Ca, Cl, Cu, Fe, K, Mg, Mn, Na, P, Rb, S, Sr and Zn) were determined by the energy dispersive X-ray fluorescence (EDXRF) spectrometry. The Principal Component Analysis (PCA) was applied to identify the plausible sources associated with tree bark measurements. The greatest source was vehicle-induced non-tailpipe emissions derived mainly from brakes and tires wear-out and road dust resuspension (characterized with Al, Ba, Cu, Fe, Mn and Zn), which was explained by 27.1% of the variance, followed by cement (14.8%), sea salt (11.6%) and biomass burning (10%), and fossil fuel combustion (9.8%). We also verified that the elements related to vehicular emission showed different concentrations at different sites of the same street, which might be helpful for a new street classification according to the emission source. The spatial distribution maps of element concentrations were obtained to evaluate the different levels of pollution in streets and avenues. Results indicated that biomonitoring techniques using tree bark can be applied to evaluate dispersion of air pollution and provide reliable data for the further epidemiological studies.-
dc.description.sponsorshipCoordination for the Improvement of Higher Education Personnel - Brazil (CAPES)-
dc.relation.ispartofEnvironment International-
dc.subject.otheremission factors-
dc.titleIntra-urban biomonitoring: Source apportionment using tree barks to identify air pollution sources-
dc.rights.holderCopyright PERGAMON-ELSEVIER SCIENCE LTD-
dc.subject.wosEnvironmental Sciences-
dc.type.categoryoriginal article-
dc.type.versionpublishedVersion-, Choong-Min:Harvard Univ, Sch Publ Hlth HSPH, Boston, MA 02115 USA-
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Artigos e Materiais de Revistas Científicas - FM/MPT
Departamento de Patologia - FM/MPT

Artigos e Materiais de Revistas Científicas - HC/InCor
Instituto do Coração - HC/InCor

Artigos e Materiais de Revistas Científicas - LIM/05
LIM/05 - Laboratório de Poluição Atmosférica Experimental

Artigos e Materiais de Revistas Científicas - ODS/11
ODS/11 - Cidades e comunidades sustentáveis

Artigos e Materiais de Revistas Científicas - ODS/13
ODS/13 - Ação contra a mudança global do clima

Artigos e Materiais de Revistas Científicas - ODS/14
ODS/14 - Vida na água

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