Browsing Department of Chemistry and Biochemistry by Title
Now showing items 20-39 of 247
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BAND GAP ENGINEERING IN TERNARY OXIDES AND SULFIDES: A ROUTE TO NEW PHOTOELECTRODES FOR SOLAR ENERGY CONVERSION
(2023-08-23)**Please note that the full text is embargoed until 08/01/2024** In recent years, there has been a growing interest in semiconductor photoelectrodes that can effectively split water into hydrogen and oxygen using sunlight. ... -
Bioanalytical LC-MS: Streamlined Sampled Preparation And Novel Ambient Ionization Techniques
(Chemistry & Biochemistry, 2012-07-25)Bioanalysis has gained importance in the scientific at an exponential rate. The focus of these works attempt to seek new approaches towards faster and more efficient bioanalysis that require little to no sample preparation. ... -
Biochemical, Kinetic And Spectroscopic Characterizations Of Non-heme Iron Oxygenase Enzymes
MiaE is a non-heme diiron enzyme which catalyzes the O2-dependent hydroxylation of selected tRNA-nucleotides as part of a multienzyme posttranscriptional hypermodification pathway. This tRNA-modifying enzyme is postulated ... -
Calix[4]arene-based Synthetic Nanotubes
(Chemistry & Biochemistry, 2007-08-23)Nanoscale science and technology represents a tremendous opportunity to gain unprecedented insight into the unique phenomena that exists at the nanometer scale, and to use that knowledge to develop materials and devices ... -
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 ... -
Capillary Scale Reagent Introduction And Optical Detectors For Capillary Scale Analysis
(Chemistry & Biochemistry, 2011-10-11)Atmospheric aerosols are of great interest as they have the potential to perturb the earth's radiative energy balance, influence the climate, reduce visibility, and adversely affect human health. The composition of atmospheric ... -
Catalytic C-C silylation Reactions
(2019-08-08)In my doctoral studies, the research is mainly focused on developing highly regio- and chemoselective C–C silylation of cyclopropanol derivatives with a hydrosilyl acetal directing group. This approach involves use of a ... -
Catalytic Hydro-liquefaction Of Lignite Coals Under Mild Conditions
(Chemistry & Biochemistry, 12-4-2012)A low-cost thermo-chemical process for the liquefaction of lignite coals is being developed at the University of Texas at Arlington (UTA). The coal-toliquids (CTL) project has focused of developing a liquefaction process ... -
CELL-FREE STUDIES OF CATALYTIC DNA CLEAVAGE BY RUTHENIUM POLYPYRIDYL COMPLEXES (RPCS) CONTAINING REDOX-ACTIVE INTERCALATING LIGANDS, ENANTIOMERIC SEPARATION AND SEMI-PREP SCALE PURIFICATION OF RPCS
(2018-08-28)Herein, we report the ruthenium (II) polypyridyl complexes (RPCs), [(phen)₂Ru(tatpp)] ²⁺ (3²⁺) and [(phen)₂Ru(tatpp)Ru(phen)₂] ⁴⁺ (4⁴⁺) are shown to cleave DNA in cell-free studies in the presence of a mild reducing agent, ... -
A Century of Chemistry Instruction at the College in Arlington: 1895-1995
(Self-published, 2011-12) -
Characterization and Remediation of Wastewater from Unconventional Oil and Gas Development
(2018-08-24)Increasing energy demands from the nation and technological advancement in well development have led to the rapid expansion of unconventional oil and gas extraction. Current disposal methods for wastewater generated from ... -
Characterization Of Flavonoid Reactivities And Degradation Products Using Online Continuous Flow Kinetic Measurements And Higher Order Mass Spectrometry
(Chemistry & Biochemistry, 2014-03-12)Epidemiological studies offer strong evidence that diets rich in fruits and vegetables provide a defense against cardiovascular disease, cancer and other physiological disorders. One theory suggests that these hazards are ... -
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 ... -
COMBINING CHIRAL CHROMATOGRAPHIC STATIONARY PHASES AND N-DERIVATIZATION STRATEGIES FOR THE QUALITATIVE AND QUANTITATIVE ANALYSIS OF D-AMINO ACIDS, D-AMINO ACID CONTAINING PEPTIDES AND D-AMINO ACID RELATED SECONDARY METABOLITES USING LIQUID CHROMATOGRAPHY
(2023-05-12)Amino acids are essential building blocks in all life on Earth. It was first mistakenly believed that only L-amino acids were of biological relevance in higher organisms, and D-amino acids were laboratory artifacts or ... -
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 ... -
Computational materials chemistry: from polymer precursors to ceramics and high-pressure materials
(2022-08-17)With advances in computing power, the field of computational chemistry has flourished. Using current computational resources, atomistic simulations of billion atoms and trillions of atoms have been performed. Computational ... -
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 ...