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Title: Mutagenicity assessment of aerosols in emissions from wood combustion in Portugal
Author: Vu, B.
Alves, C. A.
Gonçalves, C.
Pio, C.
Gonçalves, F.
Pereira, R.
Keywords: Wood smoke
Polycyclic aromatic hydrocarbon
Ames test
Issue Date: Jul-2012
Publisher: Elsevier
Abstract: Polycyclic aromatic hydrocarbon (PAH) extracts of fine particles (PM(2.5)) collected from combustion of seven wood species and briquettes were tested for mutagenic activities using Ames test with Salmonella typhimurium TA98 and TA100. The woods were Pinus pinaster (maritime pine), Eucalyptus globulus (eucalypt), Quercus suber (cork oak), Acacia longifolia (golden wattle), Quercus faginea (Portuguese oak), Olea europea (olive), and Quercus ilex rotundifolia (Holm oak). Burning experiments were done using woodstove and fireplace, hot start and cold start conditions. A mutagenic response was recorded for all species except golden wattle, maritime pine, and briquettes. The mutagenic extracts were not correlated with high emission factors of carcinogenic PAHs. These extracts were obtained both from two burning appliances and start-up conditions. However, fireplace seemed to favour the occurrence of mutagenic emissions. The negative result recorded for golden wattle was interesting, in an ecological point of view, since after confirmation, this invasive species, can be recommended for domestic use.
Peer review: yes
DOI: 10.1016/j.envpol.2012.03.005
ISSN: 0269-7491
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DAO - Artigos
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