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Title page for ETD etd-05242017-211349

Type of Document Dissertation
Author Lamberson, Connor Reid
Author's Email Address connor.lamberson@gmail.com
URN etd-05242017-211349
Title Studies of Lipid Peroxidation, its Link to Human Pathologies, and Isotopic Reinforcement of Polyunsaturated Fatty Acids as a Strategy to Reduce Oxidative Damage
Degree PhD
Department Chemistry
Advisory Committee
Advisor Name Title
Ned A. Porter Committee Chair
Brian O. Bachmann Committee Member
John A. McLean Committee Member
Lawrence J. Marnett Committee Member
  • reactive oxygen species
  • kinetic isotope effect
  • sterols
  • polyunsaturated fatty acids
  • lipid peroxidation
  • Free radical oxidation
Date of Defense 2017-01-04
Availability unrestricted
Lipids are loosely defined as a group of naturally occurring organic compounds which are hydrophobic or amphipathic in nature, but which are also readily soluble in organic solvents. These solubility features are present in an extremely heterogeneous collection of molecules such as fatty acids, phospholipids, eicosanoids, and sterols. The functions of various lipids are diverse and wide ranging, and many are considered essential for standard life functions. Despite their importance within biological processes, many lipids are also susceptible to free radical oxidation and degradation in the presence of reactive oxygen species. This lipid oxidation, commonly referred to as lipid peroxidation, can have extensive physiological consequences and can play a role in the progression of human disease states such as Parkinson’s disease and atherosclerosis.

The focus of this dissertation is centered around the free radical oxidation of polyunsaturated fatty acids (PUFAs). We present several kinetic studies probing the rates at which these reactions occur are reported for a wide variety of PUFAs and sterols. We also highlight physical studies involving isotopically reinforced polyunsaturated fatty acids and assess their ability to reduce levels of free radical oxidation both in solution and in biological systems.

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