Browsing MS Theses - DO NOT EDIT by Issue Date
Now showing items 1-20 of 73
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Investigation Of The Suitability Of The Biscatecholborate Anion As A Reductive Quencher For Photoexcited Ruthenium Polyphyridyl Complexes
(Chemistry & Biochemistry, 2007-08-23)Ruthenium polypyridyl complexes [Ru(L-L)3]2+, (L-L = 1,10 - phenanthroline or 2,2'- bipyridine) which covalently linked to electron donor or acceptor units are frequently used in artificial photosystems because of their ... -
Surface Functionalization Of Polymer Substrates And Nanoparticles Via Pulsed Plasma Polymerization Process
(Chemistry & Biochemistry, 2007-08-23)This thesis investigates the RF plasma polymerizations of chlorinated saturated linear monomer 1,1,1-trichloroethane and the dicarboxylic citraconic acid. It utilizes a variable duty cycle plasma technique to provide film ... -
Investigations Of The Mechanism Of DNA Cleavage Using Ruthenium Polypyridyl Complexes
(Chemistry & Biochemistry, 2007-08-23)We have synthesized a ruthenium complex, [(phen)2Ru(tatpp)Ru(phen)2]4+ (P4+), which has been shown to undergo various redox and protonation steps to form different species that can be monitored by UV-Vis spectroscopy. In ... -
Effect Of Structure And Stereochemistry On Cytotoxicity Of Ruthenium Polypyridyl Complexes
(Chemistry & Biochemistry, 2007-08-23)Efforts to develop novel non-platinum, metal-based antitumor drugs have been pursued by many groups and ruthenium complexes have drawn a lot of attention as prospective transition metal-based antineoplastic agents. Recently, ... -
Coupling Photodriven Multielectron Reduction Of Ruthenium Polypyridyl Complexes With Hydrogen Evolving Co-catalysts
(Chemistry & Biochemistry, 2007-09-17)With energy demands continuing to increase, the importance of finding a means of converting solar energy into a usable form of chemical energy continues to escalate. Photocatalysis provides a viable approach to harnessing ... -
Combustion Synthesis And Doping Of Titanium Dioxide
(Chemistry & Biochemistry, 2007-09-19)A novel combustion technique was used for the preparation and doping of titanium dioxide (TiO2). This metal oxide of titanium is a large band gap semiconductor (3.0 - 3.2 eV) that primarily absorbs in the ultraviolet ... -
Multiply Charged Cationic Pairing Agents For Trace Analysis Of Anionic Species By Electrospray Ionization Mass Spectrometry
(Chemistry & Biochemistry, 2008-04-22)Electrospray ionization is one of the most broadly useful and successful approaches for coupling high performance liquid chromatography to mass spectrometry. Most of the research in electrospray ionization mass spectrometry ... -
Studies Towards Bioactive Imidazoles
(Chemistry & Biochemistry, 2008-04-22)The work presented in this thesis focuses on the development of an enantioselective and practical route form the total synthesis of villagorgin via haplosleridamine imidazole alkaloid containing β- carboline moiety by ... -
Novel Phenomena In Encapsulating Hydrocarbon Gases
(Chemistry & Biochemistry, 2008-04-22)The use of hydrophobic forces for entrapment of gases in water will be discussed. Natural hydrocarbons, haloalkanes, and anesthetic gases are hydrophobic in nature. In the course of this investigation water-soluble molecular ... -
Supramolecular Chemistry On Carbon Dioxide
(Chemistry, 2008-04-22)This dissertation describes approaches towards designs, syntheses, characterizations, and applications of supramolecular chemistry on carbon dioxide. Chapter 1 briefly overviews the field of supramolecular chemistry and ... -
Ring Closing Enyne Metathesis Of Imidazole Derivatives And Subsequent Diels-Alder Reaction
(Chemistry & Biochemistry, 2008-08-08)The work presented in this thesis describes the development of new synthetic routes to elaborate simple imidazole derivatives into complex imidazole molecules by the application of different sequential transformations. The ... -
Ionic Liquids: Syntheses, Characterization And Applications In Analytical Chemistry
(Chemistry & Biochemistry, 2008-08-08)Multifunctional ionic liquids (esp. dicationic and dianionic) have been shown to have a greater range of physical properties than most traditional, singly charged ILs. In this work, 28 novel tricationic ILs with specific ... -
Proteomic Strategies For Investigation Of Protein/ligand And Peptide/ligand Non-covalent Interactions By Electrospray Ionization Mass Spectrometry
(Chemistry & Biochemistry, 2008-08-08)Through universal proteomic methods and electrospray ionization-mass spectrometry (ESI-MS), multiple molecular recognition strategies were investigated as a prospective complementary tool for investigating protein-ligand ... -
Chiral Recognition And Binding Constant Determination In Monovalent And Bivalent Systems Using Electrospray Ionization Mass Spectrometry
(Chemistry & Biochemistry, 2008-09-17)Electrospray ionization mass spectrometry (ESI-MS) is a soft ionization method which is capable of transferring weakly bound host-guest noncovalent complexes from the solution phase to the gas phase. This capability makes ... -
Studies Of Enantiomeric Separations Using Capillary Electrophoresis
(Chemistry & Biochemistry, 2009-09-16)The focus of this thesis is on using state-of-the-art capillary electrophoresis (CE) in enantiomeric separations. Chapter 1 provides a brief introduction to enantiomeric separations using CE. Chapters 2 through 5 presents ... -
Design And Synthesis Of A High Potential Ruthenium (II) Tetraazatetrapyridopentaphene Complex Capable Of Two-electron Reduction
(Chemistry & Biochemistry, 2010-03-03)We report the synthesis of a complex, [(phen)₂Ru(tatpph)Ru(phen)₂]⁴⁺ (Ph⁴⁺), which like its predecessor compound, [(phen)₂Ru(tatppc)Ru(phen)₂]⁴⁺ (Pc ⁴⁺), can undergo two sequential 1-electron photoreductions in MeCN in ... -
Ionization Competitors Extend The Linear Range Of Electrospray Ionization Mass Spectrometry
(Chemistry & Biochemistry, 2010-03-03)ESI-MS has proven its applicability in quantitative analysis for a wide range of analytes. Its effectiveness relies on achieving sensitivity and linear range, although the latter is known to be limited. ESI-MS response ... -
Analytical Characterization Of Anthocyanins From Natural Products By Reverse-phase Liquid Chromatography-photodiode Array-electrospray Ionization-ion Trap-time Of Flight Mass Spectrometry
(Chemistry & Biochemistry, 2011-03-03)Anthocyanins are known to be one of the most powerful phytochemical antioxidant and believed to have a positive influence on a variety of health conditions. Numerous studies continue on these compounds that are readily ... -
A diffusionless transformation path relating Th₃P₄ and spinel structure opportunities to synthesize ceramic materials at high pressures
(Chemistry & Biochemistry, 2012-04-11)Physical properties of solids at high pressure hold the key to many interesting questions in earth and planetary sciences, as well as in applied sciences. At high pressure, most ambient-pressure materials become unstable ... -
Solid State Light Source Based Analytical Measurement Systems For Atmospheric Particles
(Chemistry & Biochemistry, 2012-04-11)Solid-state light sources such as light-emitting diodes, use a solid semiconductor block instead of a conventional heated filament or discharge source. Such light sources are preferred in analytical instrumentation because ...