Source apportionment of oxidative potential: What we know so far
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Published:2023
Issue:3 Part B
Volume:27
Page:2347-2357
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ISSN:0354-9836
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Container-title:Thermal Science
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language:en
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Short-container-title:THERM SCI
Author:
Stevanovic Svetlana1, Jovanovic Maja2ORCID, Jovasevic-Stojanovic Milena2ORCID, Ristovski Zoran3ORCID
Affiliation:
1. School of Engineering, Deakin University, Victoria, Australia 2. Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, University of Belgrade, Belgrade, Serbia 3. International Laboratory for Air Quality and Health (ILAQH), School of Earth and Sciences, Queensland University of Technology, Queensland, Australia
Abstract
In numerous epidemiological studies, exposure to particulate matter (PM) has been associated with negative health outcomes. It has been established so far that the detrimental health effects of particles cannot be explained by a single parameter, such as particle mass, as the complexity of chemical composition and reactivity of particles are not always represented by the mass loadings. The oxidative potential (OP) of aerosol particles represents a promising indicator of their potential toxicity. To develop strategies and regulations at improving the air quality, an increasing number of studies are focused on the application of source apportionment (SA) of PM., while a limited number of SA investigations have been applied to OP. In this review previous research of SA of atmospheric PM OP and proposed guidelines for future studies are summarized. Most of the research studies were carried out in an urban area and focused on PM2.5, while few studies examined other PM fractions. It was noted that the three dominant contributors to OP were biomass burning (9-97%), secondary aerosols (6-67%), and traffic/vehicles (16-88%). The presence of other factors that contributed to the in-crease of OP to a lesser extent depended on the location and season. Further, a considerable discrepancy in the contribution of various OP vs. PM sources was discovered using SA models. Because of this, the use of SA is not equivalent when considering the mass of PM and its toxicity.
Funder
Ministry of Education, Science and Technological Development of the Republic of Serbia
Publisher
National Library of Serbia
Subject
Renewable Energy, Sustainability and the Environment
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