Browsing Dissertations & Theses by Issue Date
Now showing items 1-20 of 246
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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 ... -
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 ... -
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 ... -
Supramolecular Chemistry Of Nitrogen Dioxide
(Chemistry & Biochemistry, 2007-08-23)Supramolecular chemistry has been defined as "chemistry beyond molecules", and involves investigating molecular systems held together reversibly by inter-molecular forces, not by covalent bonds. This dissertation discusses ... -
Surface Functionalization Of Polymer Substrates And Nanoparticles Via Pulsed Plasma Polymerization Process
(Chemistry & Biochemistry, 2007-08-23)This thesis investigates the RF plasma polymerizations of chlorinated saturated linear monomer 1,1,1-trichloroethane and the dicarboxylic citraconic acid. It utilizes a variable duty cycle plasma technique to provide film ... -
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 ... -
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, ... -
Novel Functions And Physiological Significance Of Ral Interacting Protein - RLIP76 In In Vitro And In Vivo Models
(Chemistry & Biochemistry, 2007-08-23)This dissertation is divided into four parts. The first part is an introduction of energy dependent xenobiotic transporters and their relevance in multidrug resistance. However, the main focuse is the description of RLIP76 ... -
Investigation Of Ruthenium (II) Polypyridyl Dimers As Potential Chemotherapeutic Agents
(Chemistry & Biochemistry, 2007-08-23)The exploration of transition metal complexes as chemotherapeutic agents is still a relatively unexplored but promising area of research. Chapter 1 highlights the most successful anticancer drugs and potential drugs based ... -
Oligomeric And Polymeric Bibenzimidazole Based Metal Complexes And Crosslinked Polyethylenimine Based Flame Retardants
(Chemistry & Biochemistry, 2007-08-23)In Part I, a simple and mild condensation route for the synthesis of novel bibenzimidazole oligomers and polymers is described using methyl 2,2,2-trichloroacetimidate as a key starting material. The dimer, trimer, tetramer, ... -
Novel Approaches To Photoassisted Deposition Of Semiconductors And Nanocomposite Materials
(Chemistry & Biochemistry, 2007-08-23)This dissertation research begins with the use of TiO2-based photocatalysis for the reduction of metal ions with very negative reduction potentials. The indirect photocatalytic reduction of four metal ions: Cd2+, Zn2+, ... -
Studies Toward The Enantioselective Total Synthesis Of The Martinella Alkaloids
(Chemistry & Biochemistry, 2007-08-23)This dissertation consists of two parts. The first part describes the enantioselective total synthesis of martinellic acid. The Martinella alkaloids have attracted considerable attention in the synthetic community over the ... -
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 ... -
Supramolecular Nanostructures Based On Calixarenes
(Chemistry & Biochemistry, 2007-08-23)This dissertation describes a systematic approach towards the design, synthesis, characterization, and application of calixarene-based supramolecular nanostructures. Chapter 1 briefly overviews the field of supramolecular ... -
New Applications Of The Pauson-Khand Reaction And Studies Towards The Synthesis Of The Hamigerans
(Chemistry & Biochemistry, 2007-09-17)This dissertation is divided into two parts. The first part describes the dicobalt octacarbonyl mediated synthesis of medium sized rings via intramolecular Pauson-Khand (IMPK) reaction. The cyclization of 1,8-enynes has ... -
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 ... -
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 ... -
Assemblies Of Assemblies: Supramolecular Ordering Of Nanoscopic Ruthenium Polypyridyl Building Blocks
(Chemistry & Biochemistry, 2008-04-22)Biological systems have long since perfected the development of nanoengineering. Cellular structure and machinery is based, to a significant extent, on the formation of nanometer to micron-sized assemblies of proteins. ... -
Multiply Charged Cationic Pairing Agents For Trace Analysis Of Anionic Species By Electrospray Ionization Mass Spectrometry
(Chemistry & Biochemistry, 2008-04-22)Electrospray ionization is one of the most broadly useful and successful approaches for coupling high performance liquid chromatography to mass spectrometry. Most of the research in electrospray ionization mass spectrometry ... -
Studies Towards Bioactive Imidazoles
(Chemistry & Biochemistry, 2008-04-22)The work presented in this thesis focuses on the development of an enantioselective and practical route form the total synthesis of villagorgin via haplosleridamine imidazole alkaloid containing β- carboline moiety by ...