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Exposure to microbial volatile organic compounds in a waste-handling unit

2012-06Conference object Open access
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dc.contributor.authorViegas, Susana
dc.contributor.authorMalta-Vacas, Joana
dc.contributor.authorViegas, Carla
dc.date.accessioned2012-11-14T16:13:52Z
dc.date.available2012-11-14T16:13:52Z
dc.date.issued2012-06
dc.description.abstractThe production of MVOC by fungi has been taken into account especially from the viewpoint of indoor pollution with microorganisms but the relevance of fungal metabolites in working environments has not been sufficiently studied. The purpose of this study was to assess exposure to MVOCs in a waste-handling unit. It was used Multirae equipment (RAE Systems) to measured MVOCs concentration with a 10.6 eV lamps. The measurements were done near workers nose and during the normal activities. All measurements were done continuously and had the duration of 5 minutes at least. It was consider the higher value obtained in each measurement. In addition, for knowing fungi contamination, five air samples of 50 litres were collected through impaction method at 140 L/minute, at one meter tall, on to malt extract agar with the antibiotic chloramphenicol (MEA). MVOCs results range between 4.7 ppm and 8.9 ppm in the 6 locations consider. These results are eight times higher than normally obtained in indoor settings. Considering fungi results, two species were identified in air, being the genera Penicillium found in all the samples in uncountable colonies and Rhizopus only in one sample (40 UFC/m3). These fungi are known as MVOCs producers, namely terpenoids, ketones, alcohols and others. Until now, there has been no evidence that MVOCs are toxicologically relevant, but further epidemiological research is necessary to elucidate their role on human’s health, particularly in occupational settings where microbiological contamination is common. Additionally, further research should concentrate on quantitative analyses of specific MVOCs.por
dc.identifier.citationViegas S, Malta-Vacas J, Viegas C. Exposure to microbial volatile organic compounds in a waste-handling unit. Toxicol Lett. 2012;211 Suppl:S213.por
dc.identifier.issn0378-4274
dc.identifier.urihttp://hdl.handle.net/10400.21/1929
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherElsevierpor
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0378427412008624por
dc.subjectSaúde ambientalpor
dc.subjectEnvironmental healthpor
dc.subjectSaúde ocupacionalpor
dc.subjectOccupational healthpor
dc.subjectMVOCpor
dc.subjectFungipor
dc.subjectWaste-handling unitpor
dc.titleExposure to microbial volatile organic compounds in a waste-handling unitpor
dc.typeconference object
dspace.entity.typePublication
oaire.citation.titleToxicology Letterspor
person.familyNameViegas
person.familyNameViegas
person.givenNameSusana
person.givenNameCarla
person.identifier248817
person.identifier.ciencia-idA919-7318-63DC
person.identifier.ciencia-idEE1E-C639-D70F
person.identifier.orcid0000-0003-1015-8760
person.identifier.orcid0000-0002-1545-6479
person.identifier.ridI-4053-2012
person.identifier.ridB-7217-2013
person.identifier.scopus-author-id35270591500
person.identifier.scopus-author-id55443609700
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
relation.isAuthorOfPublication13115332-43f7-4048-a8a5-2f2b855a8c92
relation.isAuthorOfPublicationb5fa5da4-50c3-4b88-ae20-1bc63cb485f7
relation.isAuthorOfPublication.latestForDiscovery13115332-43f7-4048-a8a5-2f2b855a8c92

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