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Fluorescent Modified Nucleosides and Their Impact on Structure and Function of a Model Aptamer

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dc.contributor.advisor Manderville, Richard
dc.contributor.author Van Riesen, Abigail
dc.date.accessioned 2016-09-15T20:30:24Z
dc.date.available 2016-09-15T20:30:24Z
dc.date.copyright 2016-08
dc.date.created 2016-09-13
dc.date.issued 2016-09-15
dc.identifier.uri http://hdl.handle.net/10214/10018
dc.description.abstract A number of non-natural nucleic acid monomers were synthesized and employed in a model system in an effort to demonstrate the potential for expanding the chemical repertoire of previously known functional nucleic acids. Aptamers, a type of functional nucleic acids capable of target-specific binding, have been employed in a variety of applications which take advantage of their functionality offered by the structures formed as a result of their intramolecular interactions. These interactions are the basis of the formation of structures such as the G-quadruplex, a structure composed of stacked guanine-tetrads, which is adopted by a well-studied model aptamer for thrombin. The synthesis of modified guanine probes, 8-(4ʹʹ-styryl)-2ʹ-dG (StydG), 8-(4ʹʹ-cyanostyrene)-2ʹ-dG (CNdG), as well as modified 5-furyl-2′-deoxyuridine (FurdU) are presented in this thesis. The investigations herein detail the synthesis and incorporation of modified nucleic acids into this model aptamer, TBA, thereby demonstrating the effects of expanding the chemical repertoire on functionality, as determined by parameters such as binding, fluorescence, and stability. en_US
dc.description.sponsorship Grain Farmers of Ontario en_US
dc.language.iso en en_US
dc.subject aptamer en_US
dc.subject G-quadruplex en_US
dc.subject thrombin en_US
dc.subject fluorescence en_US
dc.title Fluorescent Modified Nucleosides and Their Impact on Structure and Function of a Model Aptamer en_US
dc.type Thesis en_US
dc.degree.programme Chemistry en_US
dc.degree.name Master of Science en_US
dc.degree.department Department of Chemistry en_US
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