Browsing MS Theses - DO NOT EDIT by Title
Now showing items 8-27 of 73
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Capillary Electrophoresis Separation Of Neutral Organic Compounds, Pharmaceutical Drugs, Enantiomers And Anions
(Chemistry & Biochemistry, 2012-04-11)The focus of this thesis is on using capillary electrophoresis (CE) with on-column UV detection in achiral and chiral separations. Chapter 1 provides a brief introduction to the principle, mechanism, meaning and application ... -
Chemically Modified Cyclofructans for Sub/supercritical Fluid Chromatography and Hydrophilic Interaction Liquid Chromatography
(2022-08-16)Given the importance of supercritical fluid chromatography, several works focused on the application use different SFC stationary phases. In this work, two new derivatized cyclofructan bonded phases with superficially ... -
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 ... -
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 ... -
Concomitant Studies Of Two F420 Cofactor Dependent Enzymes: Binding Isotherms Of F420 Cofactor Dependent Glucose-6-phosphate Dehydrogenase And Kinetic Analysis Of F420H2: NADP+ Oxidoreductase Utilizing Isotope Effects Methods
F420 cofactor, a flavin analogue, is a unique two electron carrier that has been found in a number of microorganisms. This thesis focuses on two F420-dependent enzymes (F420-dependent glucose-6-phosphate dehydrogenase and ... -
CONTINUOUSLY RENEWED COPPER ELECTRODE FOR AMPEROMETRIC MEASUREMENT OF CARBOHYDRATES
(2021-08-05)Currently the benchmark method for carbohydrate analysis in a variety of application areas involves anion exchange chromatography followed by electrochemical detection at a gold electrode. The gold electrode surfaces foul ... -
Controlled Hydrosilylations of Carbonyl Compounds and Computational Investigations of a Hydride Shuttle Mechanism for Alkene Hydrosilylation
(2015-11-30)Chapter 1 describes tandem dual hydrosilylations of α,β-unsaturated enals. Hydrosilylations of both carbonyl compounds and alkenes have been utilized to create chiral alcohols. Tandem dual hydrosilylations (TDH) of ... -
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 ... -
Crystalline SiCO: Implication On Structure And Thermochemistry Of Ternary Silicon Oxycarbide Ceramics
(Chemistry & Biochemistry, 2014-09-17)The need for innovative refractory materials - materials that can sustain extreme temperatures - has been constantly growing within the modern industries. Basic requirements for usage at ultra-high-temperatures have been ... -
Cytotoxicty, Cellular Localization And Fluorescent Microscopy Of Malignant Cells Treated With Ruthenium (II) Complexes Of The Tetraazatetrapyridopentacene Ligand
The ruthenium (II) polypyridyl complexes [(phen)2Ru(tatpp)Ru(phen)2]4+, (P) and [(phen)2Ru(tatpp)]2+, (MP) are promising anticancer activity candidates due to their observed cytotoxic effect against multiple cancer cell ... -
DERIVATIZATION OF SMALL ACIDS TO ENHANCE SENSITIVITY IN GAS CHROMATOGRAPHY MASS SPECTROMETRY AND GAS CHROMATOGRAPHY VACUUM ULTRAVIOLET SPECTROSCOPY
(2016-08-12)Disinfection by-products (DBPs) are a significant concern in drinking water quality. Haloacetic acids, which are generated from disinfection processes, are one of the major groups in disinfection by-products. Because they ... -
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 ... -
Determination Of Nicotine And Its Metabolites Accumulated In Fish Tissue Using Quechers And Hydrophilic Interaction Liquid Chromatography And Tandem Mass Spectrometry
(Chemistry & Biochemistry, 2014-12)The quantitative determination of nicotine and its major metabolites (cotinine and anabasine) in fish tissue was performed using hydrophilic interaction liquid chromatography (HILIC) coupled with tandem mass spectrometry. ... -
DETERMINATION OF TOTAL AND D-AMINO ACID CONTENT IN MICE BRAIN TISSUE BY ACHIRAL-CHIRAL HEART-CUTTING TWO-DIMENSIONAL LIQUID CHROMATOGRAPHY: DIAGNOSTIC AND CLINICAL RELEVANCE AND A COMPARISON BETWEEN NON-PERFUSED AND PERFUSED TISSUE
(2015-11-24)A heart-cutting two dimensional liquid chromatographic method for the quantification of free amino acid enantiomers from mouse brain tissue is demonstrated. Evidence to support the occurrence of D-amino acids in significant ... -
Development, Characterization And Application Of Chiral Stationary Phases
Cyclofructans are cyclic oligosaccharides consisting of a crown ether core with pendent fructofuranose units. These unique macrocycles were reported recently to be powerful chiral selectors. Native cyclofructans show little ... -
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 ... -
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, ... -
ENANTIOSELECTIVE SYNTHESIS OF AN ANTICANCER RUTHENIUM POLYPYRIDYL COMPLEX (RPC) AND INFLUENCE OF CHIRAL SELECTIVITY ON DNA PHOTOCLEAVAGE
(2017-12-08)Ruthenium polypyridyl complexes (RPCs) represent a promising therapeiutic class of drugs for transition-metal based anticancer drug development. The complex [(phen)2Ru(tatpp)Ru(phen)2] (44+) is a RPC which has shown success ... -
ENE REACTIONS OF METHYLIDENE THIAZOLIDINES
(2021-06-03)This thesis describes the synthesis of seven new racemic molecules from methylidene thiazolidines reacting with two enophiles, N-phenylmaleimide and ethyl glyoxylate. The synthesis of these molecules was achieved through ... -
ENRICHMENT AND IDENTIFICATION OF DISULFIDE BONDED PEPTIDES BY TANDEM MASS SPECTROMETRY
(2017-08-09)Proteins are Comprised of different amino acids which can undergo various modifications known as post-translational modifications (PTMs). Amino acid’s side chains are the most common sites for the PTMs. Cysteine side chain ...