Browsing MS Theses - DO NOT EDIT by Title
Now showing items 21-40 of 73
-
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 ... -
EVALUATION OF ACTIVATED CARBON AS A COMMERCIAL DRUG DISPOSAL PRODUCT USING LIQUID CHROMATOGRAPHY–TANDEM MASS SPECTROMETRY
(2015-11-18)At present, pharmaceuticals, synthetic organic compounds, and endocrine disrupting compounds are ubiquitous in our environment. These have been introduced by consumers and manufacturers directly and indirectly for decades. ... -
Gas Chromatography And Metal Analysis Of Produced Water Treated With A Household Commercial Filter
(2017-05-15)Unconventional oil and gas extraction activities, including hydraulic fracturing, are a collection of processes used to liberate significant quantities of natural gas and oil in the United States. Many extraction sites are ... -
Headspace-Solid Phase Micro Extraction – Gas Chromatography – Mass Spectrometry (HS-SPME-GC-MS) Analysis for Oak Barrel Flavor Compounds in Whiskey
(2021-12-13)This study presents a method to simultaneously detect both fault compounds and oak barrel flavor compounds in whiskey using headspace-solid phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS). A major ... -
Identification of acidic residues in proteins by selective chemical labeling and tandem mass spectrometry
(2023-08-15)**Please note that the full text is embargoed until 08/01/2025** Proteins play important role in carrying out a wide range of cellular activities. They are subjected to various post-translational modifications (PTMs) by ... -
INCREASED HYDRIDE TRANSFER RATES WITHIN T09A MUTANT OF F420:H2 NADP+ OXIDOREDUCTASE
(2016-05-18)F420:H2 NADP+ oxidoreductase (Fno) is an F420 dependent enzyme found in methanogens and sulfate reducing archaea. Fno catalyzes the reversible reduction of NADP+ to NADPH through the transfer of a hydride involving F420 ... -
Increasing Lipophilicity Of Redox Active Ruthenium Complexes As A Means To Enhance Cytotoxicity And Reduce Animal Toxicity
(Chemistry & Biochemistry, 2013-03-20)The dinuclear and monomeric ruthenium(II) polypyridyl complexes [(phen)2Ru(tatpp)Ru(phen)2]Cl4 (P) and monomer [(phen)2Ru(tatpp)]Cl2 (MP) are promising candidates for anticancer drug development in terms of the observed ... -
Investigation of Computational Determination of Elastic Properties for Silicon Nitride and Silicon Carbonitride Materials
(2020-08-10)Silicon nitride and silicon carbonitride materials are versatile materials exhibiting useful properties at high temperatures and pressures. This study investigates the use of molecular dynamics simulations to determine ... -
Investigation of F420-dependent glucose-6-phosphate dehydrogenase variants using pH profiles and stopped-flow spectrometric ligand-binding methods
(2022-05-18)**Please note that the full text is embargoed until 5/17/2024** ABSTRACT: F420-dependent glucose-6-phosphate dehydrogenase (FGD) from Mycobacteria tuberculosis, catalyzes a reaction the conversion of glucose-6-phosphate ... -
INVESTIGATION OF THE CELLULAR UPTAKE AND CYTOTOXICITY OF RUTHENIUM(II) POLYPYRIDYL COMPLEXES AS A FUNCTION OF LIPOPHILICITY
(2022-05-17)Ru(II) polypyridyl complexes have been one of the focal points of investigation for inorganic anti-cancer drugs, as they are robust enough to remain chemically intact in vivo and many show potent cytotoxicty. In particular, ... -
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 ... -
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 ... -
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 ... -
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 ...