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ASU Electronic Theses and Dissertations

This collection includes most of the ASU Theses and Dissertations from 2011 to present. ASU Theses and Dissertations are available in downloadable PDF format; however, a small percentage of items are under embargo. Information about the dissertations/theses includes degree information, committee members, an abstract, supporting data or media.

In addition to the electronic theses found in the ASU Digital Repository, ASU Theses and Dissertations can be found in the ASU Library Catalog.

Dissertations and Theses granted by Arizona State University are archived and made available through a joint effort of the ASU Graduate College and the ASU Libraries. For more information or questions about this collection contact or visit the Digital Repository ETD Library Guide or contact the ASU Graduate College at

Reactive oxygen species (ROS) are a series of molecules, ions, and radicals derived from oxygen that possess remarkable reactivity. They act as signaling molecules when their concentration in cells is within a normal range. When the levels of ROS increase, reaching a concentration in which the antioxidants cannot readily quench them, oxidative stress will affect the cells. These excessive levels of ROS result in direct or indirect ROS-mediated damage of proteins, nucleic acids, and lipids. Excessive oxidative stress, particularly in chronic inflammation, has been linked with mutations and carcinogenesis. One of the main targets of ROS in severe oxidative stress …

Armendariz Guajardo, Jose Israel, Hecht, Sidney M, Moore, Ana, et al.
Created Date