Browsing PhD Dissertations - DO NOT EDIT by Title
Now showing items 41-60 of 173
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DEVELOPMENT OF QUALITATIVE AND QUANTITATIVE APPLICATIONS IN ENERGY INDUSTRY USING GAS CHROMATOGRAPHY- VACUUM ULTRAVIOLET SPECTROSCOPY
Characterization and evaluation of hydrocarbon assets, including content of linear and branched alkanes, cycloalkanes, aromatics, olefins, and naphthenes, among others, during production and distribution are very crucial ... -
DEVELOPMENT OF ULTRAHIGH PERFORMANCE CHIRAL PHASES FOR SEPARATIONS APPROACHING THE SPEED OF SENSORS
(2017-08-24)Chromatography using chiral stationary phases is the most effective and popular technique for qualitative and quantitative analysis of enantiomers in the pharmaceutical, agricultural, and food industry, among many others. ... -
Development, Evaluation And Application Of Cyclofructans As Separation Agents
(Chemistry & Biochemistry, 2013-10-23)Hydrophilic interaction chromatography (HILIC) is now considered as a viable and established analytical tool for the separation of very polar and hydrophilic compounds, which are not sufficiently retained under Reversed ... -
DEVELOPMENT, EVALUATION, AND APPLICATION OF CHROMATOGRAPHIC RESOLUTION ENHANCEMENT STRATEGIES
(2019-11-15)With the emergence of advanced separation technologies, like high-efficiency stationary phases bonded with superficially porous particles, or sub-2 μm fully porous particles, faster and more effective methodologies are ... -
Dioxygen And Peroxide Activation By An Unnatural Amino Acid Incorporated Cytochrome P450CAM And P450 BM3
(Chemistry & Biochemistry, 2014-03-12)This study focuses on the process development for a nanobioreactor for the oxidation of aliphatic C-H bond by the dependent activation of molecular oxygen and hydrogen peroxide dependent catalysis of cytochrome P450cam and ... -
DIRECT FUNCTIONALIZATION OF INERT C-H AND C=C BONDS USING COPPER AND ZINC CATALYSTS SUPPORTED BY FLUORINATED LIGANDS, AND THE CHEMISTRY OF Fe(CO)5 AND ITS ANALOGS WITH COINAGE METAL IONS
(2019-11-12)Transition-metal catalyzed direct functionalization of inert C-H and C=C bonds through nitrene- and oxo-transfer reactions are powerful and attractive synthetic strategies for constructing C-N and C-O bonds (e.g. found in ... -
Dynamics and Control of Jumping Legged Robot
(2018-08-13)This research aims to studying the agility of legged robots particularly their interactions with the ground and achieve a jumping motion by using an operational space controller. Methods were developed to first formulate ... -
ELECTROCHEMICAL AND PHOTOELECTROCHEMICAL PROPERTIES OF OXIDE AND CHALCOGENIDE SEMICONDUCTORS
(2020-12-08)Photoelectrochemical (PEC) water splitting via inorganic semiconductors has shown interest in technical applications such as harvesting sunlight as sustainable fuels. Chalcogen-based (S, Se, Te) semiconductors are important ... -
Electrolysis Of Coal And Carbon Slurry Suspensions
(Chemistry & Biochemistry, 2013-03-20)In this dissertation study, different ranks of coal and carbons were tested as anode depolarizers in a three electrode electrochemical cell designed for hydrogen generation. The focus of this study was mainly Texas lignite ... -
Electrowetting Of Ionic Liquids And Development Of An Electrowetting Based Tunable RC Filter And Its Uses As An Analytical Detector
(Chemistry & Biochemistry, 2011-09-12)Wettability control of a liquid drop by an external electric field or "electrowet- ting" recently was the subject of special interest among researchers due to its util- ity for a variety of applications. Some of these ... -
Elucidation Of The Structure And Recognition Properties Of Antimony(III)-tartrate Using Electrospray Ionization Mass Spectrometry
(Chemistry & Biochemistry, 2010-11-01)Chirality of molecules is a major topic in the design, discovery and development of new drugs. Currently, analytical chemistry research divisions are challenged to find new methods to screen enantiospecific molecular ... -
Enantiomeric Chromatographic Separations And Ionic Liquids In Gas Chromatography
(Chemistry & Biochemistry, 2010-07-19)Due to the different therapeutic values of optical isomers, the production of enantiomerically pure drugs is of growing demand in pharmaceutical, biotechnology, and agrochemical industries. Today, gas chromatography (GC) ... -
Enantiomeric Separation, Microorganism Studies And Determination Of Binding Constants Using Capillary Electrophoresis
(Chemistry & Biochemistry, 2010-03-03)Enantiomeric separation of three series of compounds, including β-lactams, synthetic amino acids and ruthenium(II) polypyridyl complexes using different modes of capillary electrophoresis are discussed in this dissertation. ... -
Enantiomeric Separations And New Chiral Stationary Phases
(Chemistry & Biochemistry, 2010-03-03)Chirality is an important concern for biological activity because asymmetry dominates biological processes at a molecular level. After nearly thirty years of development, liquid chromatographic separations on chiral ... -
EPIGENETIC MECHANISM OF REGULATION OF HOX GENES AND NEUROTRANSMITTERS VIA HORMONES AND LncRNA
(2017-08-02)Endocrine disrupting chemicals (EDCs) are classes of environmental contaminants whose exposure even at very low concentrations interfere with normal endocrine signaling and induce many adverse health effects including ... -
Epigenetics Of HOXC13 Endocrine Regulation And Its Role In Gene Expression And Tumorigenesis
(Chemistry & Biochemistry, 12-10-2012)HOX genes are a subgroup of homeobox containing gene superfamily and have crucial roles in cell proliferation, cell differentiation, and embryonic development. HOXC13, one of 39 identified human HOX genes, is involved in ... -
EPIMERIC PEPTIDES IN ALZHEIMER’S DISEASE: IMPLICATIONS FOR LIQUID CHROMATOGRAPHY-MASS SPECTROMETRY AND IMMUNOTHERAPIES
(2023-05-19)Evidence has shown that the extracellular deposition of amyloid-beta (Aβ) peptide is a contributing factor of Alzheimer’s disease. Further, modifications to Aβ peptides may enhance the deposition of Aβ plaques and/or ... -
Estrogen Analysis By Liquid Chromatography - Mass Spectrometry
(Chemistry & Biochemistry, 2011-03-03)Estrogens are well known as female hormones associated with both health and disease. Although they have been reported as potential carcinogens, their use as therapy in the treatment of neurodegeneration has recently received ... -
Examining Ruthenium Chromophores For The Photochemical Reduction Of CO₂To Methanol
(Chemistry & Biochemistry, 2014-03-12)Our consumption of energy for transportation and electricity has been growing as quickly as our population. As this demand for energy increases we increase our production of carbon dioxide by the burning of fossil fuels ... -
EXPEDITIOUS APPROACH TO 3,3’-BIS-SILYL BINOLS, BIPHENOLS, AND 3,3’-BIS-SILYL PHOSPHORAMIDITES ENABLED BY CATALYTIC C–H SILYLATION WITH A TRACELESS ACETAL DIRECTING GROUP
(2021-05-10)The research described in this dissertation is on two different projects namely i) Syntheses of 3,3’-bis functionalized BINOL and biphenol compounds, ii) Syntheses of 3,3’-bis silyl-BINOL-based phosphoramidites. The first ...