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Title:Dynamics of UV -Excited Uracil, Thymine, and Cytosine
Author(s):Hudock, Hanneli
Doctoral Committee Chair(s):Martinez, Todd J.
Department / Program:Chemistry
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Physics, Theory
Abstract:The excited state dynamics of nucleic acids has been a subject of much experimental and theoretical interest. Nucleic acid bases readily absorb UV radiation, which can lead to mutagenic dimer formation. The dynamics of UV-excited nucleic acids is an important step in understanding how these dimers form. The pyrimidine bases (uracil, thymine, and cytosine) have been studied with ab initio multiple spawning molecular dynamics and high level electronic structure methods. This work has involved both gas-phase and aqueous dynamics as well as simulation of the time-resolved photoelectron spectrum, transient absorption, fluorescence, and reaction rates. With these findings, complete relaxation mechanisms are proposed for the pyrimidines and comparisons are made directly to experimental results.
Issue Date:2008
Description:193 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2008.
Other Identifier(s):(MiAaPQ)AAI3337798
Date Available in IDEALS:2015-09-25
Date Deposited:2008

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