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Negative Differential Resistance In Hydrated Deoxyribonucleic Acid Thin Films Mediated By Diffusion-limited Redox Reaction

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Negative Differential Resistance In Hydrated Deoxyribonucleic Acid Thin Films Mediated By Diffusion-limited Redox Reaction

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dc.contributor.author Lee, Hou Kuan en_US
dc.date.accessioned 2010-03-03T23:30:31Z
dc.date.available 2010-03-03T23:30:31Z
dc.date.issued 2010-03-03T23:30:31Z
dc.date.submitted January 2009 en_US
dc.identifier.other DISS-10438 en_US
dc.identifier.uri http://hdl.handle.net/10106/2019
dc.description.abstract The charge transport mechanisms in DNA proposed in the literature cover broad range of possibilities including molecular band conduction, superexchange, multistep hole hopping, and polaron hopping. The reason for the surprisingly diverse results is all the variables in the experiments - DNA sequence, DNA characteristic (single molecule or bundle, DNA length), the metal/DNA contacts, and the environmental dissimilarities in temperature, humidity, etc. In this study, the humidity effect on the electrical conduction in DNA was systematically investigated in a humidity chamber over the wide range of DC voltage. The exponential increase in conduction with increasing humidity was observed for the natural DNA thin-film, and it was attributed to the protonic conduction by the electrolysis of water. In addition, the negative differential resistance was measured in highly hydrated DNA films. The detailed analysis revealed that it was caused by the slow diffusion of water molecules on the surface of DNA molecules. en_US
dc.description.sponsorship Jin, Michael en_US
dc.language.iso EN en_US
dc.publisher Materials Science & Engineering en_US
dc.title Negative Differential Resistance In Hydrated Deoxyribonucleic Acid Thin Films Mediated By Diffusion-limited Redox Reaction en_US
dc.type M.S. en_US
dc.contributor.committeeChair Jin, Michael en_US
dc.degree.department Materials Science & Engineering en_US
dc.degree.discipline Materials Science & Engineering en_US
dc.degree.grantor University of Texas at Arlington en_US
dc.degree.level masters en_US
dc.degree.name M.S. en_US

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