Browsing Department of Chemistry and Biochemistry by Title
Now showing items 60-79 of 247
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Development Of New Chiral Selectors For Liquid Chromatography And Their Performance Relative To Established Chiral Stationary Phases (CSPS)
(Chemistry & Biochemistry, 2010-03-03)HPLC with chiral stationary phases (CSPs) has proven to be the most widely applicable and versatile technique for enantiomeric separations. This dissertation discusses new research in three important areas of enantiomeric ... -
Development Of New Stationary Phases And Their Applications In High Performance Liquid Chromatography
(Chemistry & Biochemistry, 2013-10-22)High performance liquid chromatography (HPLC) has proven to be the most widely applicable and versatile technique in separation science. Hydrophilic interaction liquid chromatography (HILIC) has attracted considerable ... -
Development Of Paired Ion Electrospray Ionization Mass Spectrometry For Ultrasensitive Detection Of Anions
(Chemistry & Biochemistry, 2014-09-17)Mass spectrometry (MS) has emerged as an essential analytical technique over the last several decades. It is a widely applicable and powerful tool for determination and identification of different types of molecules. ... -
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, 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 ... -
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 ... -
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 ... -
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 ... -
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, ... -
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 ...