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Chemical and Toxicological Character...

University of Southern California., Environmental Engineering.

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Chemical and Toxicological Characteristics and Historical Trends of Size-fractioned Particulate Matter from Traffic-Related Emissions in Los Angeles.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Chemical and Toxicological Characteristics and Historical Trends of Size-fractioned Particulate Matter from Traffic-Related Emissions in Los Angeles./
作者:	Shirmohammadi, Farimah.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2018,
面頁冊數:	92 p.
附註:	Source: Dissertations Abstracts International, Volume: 80-05, Section: B.
Contained By:	Dissertations Abstracts International80-05B.
標題:	Environmental Health. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10933365
ISBN:	9780438574687

Chemical and Toxicological Characteristics and Historical Trends of Size-fractioned Particulate Matter from Traffic-Related Emissions in Los Angeles.
Shirmohammadi, Farimah.

Chemical and Toxicological Characteristics and Historical Trends of Size-fractioned Particulate Matter from Traffic-Related Emissions in Los Angeles. - Ann Arbor : ProQuest Dissertations & Theses, 2018 - 92 p.

Source: Dissertations Abstracts International, Volume: 80-05, Section: B.

Thesis (Ph.D.)--University of Southern California, 2018.

This item must not be sold to any third party vendors.

The overarching objective of my research was to identify, characterize, and quantify sources of size-segregated particulate matter in both indoor and outdoor environments and to evaluate how population exposure to these pollutants and the toxicity of these sources vary with respect to location, season, and particle size. My research provides insight on combustion-generated particulate matters and how they compare to other sources of particles in Los Angeles (LA) basin in terms of posing greatest health risks along with investigating the effectiveness of the implemented stringent regulations in the LA basin on vehicular emissions since 2007. I have provided detailed and robust experimental and modeling methodologies in understanding the chemical composition and oxidative potential (i.e. the ability of PM to cause oxidative stress and inflammation in cells) of these particles. This information is vital for scientists in addressing the associations between pollutant sources and physicochemical characteristics of the produced particles in ambient air as well as the impact of engine and fuel reformulations on the generated particles thereby making it possible to further implement more effective source-specific regulations. It is important to note that since 2004, the South Coast Air Basin in California has been designated as a non-attainment area which makes these efforts more important. By performing modeling, I have managed to quantify major sources air pollutants in Los Angeles basin; to this end, I have developed an innovative and novel approach of molecular marker-based chemical mass balance (MM-CMB) model in order to assess the contribution of different sources to ambient particulate matter. In collaboration with environmental epidemiology researchers, I seek to identify major contributors to the adverse health effects linked to particulate matter and to understand how their toxic mechanisms vary with the source, chemical composition, and physical characteristics.

ISBN: 9780438574687Subjects--Topical Terms:

578282
Environmental Health.
Subjects--Index Terms:

Air quality

Chemical and Toxicological Characteristics and Historical Trends of Size-fractioned Particulate Matter from Traffic-Related Emissions in Los Angeles.
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