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Browsing CHEM Theses and Dissertations by Title

Browsing CHEM Theses and Dissertations by Title

Now showing items 1-20 of 47

Applications of diffuse reflectance near-infrared spectroscopy and cure kinetics study by differential scanning calorimetry to selected thermosetting polymer-based systems of interest in the aviation industry

Gibson, Irish Alcalen (Wichita State University, 2012-05)

Diffuse Reflectance Near-Infrared (near-IR) Spectroscopy combined with Partial Least Squares (PLS) regression was used to determine the moisture content and degree of cure in unfilled epoxy resins, carbon-reinforced epoxy ...
Carbon nanostructured based donor-acceptor conjugates for light-induced energy and electron transfer

Maligaspe, Eranda (Wichita State University, 2010-12)

The research presented in this dissertation deals with the syntheses, characterization, electrochemical, computational and photophysical studies of carbon nanostructures such fullerenes, single-wall carbon nanotubes (SWCNT) ...
Catanionic surfactant vesicles as a platform for probing protein-carbohydrate multivalent interactions

Islam, Mohammad R. (Wichita State University, 2011-07)

This thesis describes the work on understanding the phase behavior of mixed surfactant systems and on the surface-functionalization and modification of catanionic vesicles with an aim toward probing protein-carbohydrate ...
Catecholamine disturbance and SH-SY5Y cell toxicity of halogenated 3-amino-2 phenylpropenes

Samms, Warren C. (Wichita State University, 2009-05)

Parkinson’s disease (PD) is a progressive neurodegenerative disease that affects between 1% and 2% of the population over age 65. Despite decades of research and the development of many molecular models of PD, there is ...
Chemical characterization and two-step cure kinetics of a high performance epoxy adhesive system

Flores, Joel D. (Wichita State University, 2006-07)

The cure kinetics of a high performance epoxy adhesive system based on TGDDM/DGEBA/DDS/DICY and toughened with carboxy terminated poly(acrylonitrile-co-butadiene) rubber with aluminum filler was investigated using differential ...
The chemistry of L-ascorbic acid derivatives in the asymmetric synthesis of C2- and C3-substituted aldono-gamma-lactones

Olabisi, Ayodele O. (2005-08)

The antioxidant and redox properties of L-ascorbic acid are closely associated with the electron rich 2, 3-enediol moiety of the molecule and therefore selective functionalization of the 2- and 3-OH groups is essential for ...
Comparative binding studies with a tetraurea picket porphyrin receptor using 1H NMR and isothermal titration calorimetry

Aw, Hong W. (Wichita State University, 2010-12)

The (α, α, α, α)-5,10,15,20-tetrakis(2-(4-fluorophenylurea)phenyl)porphyrin binds strongly (K(M-1)>104) to the chloride anion and close to 2-3 orders of magnitude less to the acetate anion, in DMSO-d6 as revealed by 1H NMR ...
Computional chemistry studies of gas-phase ion structures

Kullman, Michael John (Wichita State University, 2012-05)

Computational chemistry and mass spectrometry are two extremely useful tools that when used in conjunction with each other allow detailed knowledge of the gas-phase ions. To that end, computational chemistry, specifically ...
Cure kinetics and synthesis of some resins and prepreg systems

Gandikota, Rama G. (Wichita State University, 2009-07)

The research reported in this dissertation details the synthesis, characterization and cure kinetics of some resin and prepreg systems. The first chapter gives an introduction to the research presented in this thesis. A ...
Cyanoscorpionates: New structural motifs for transition metal complexes and coinage metal polymers

Bullinger, John C. (Wichita State University, 2009-05)

New complexes have been synthesized of scorpionate ligands with cyano substituents in the 4-positions of the pyrazoles and tert-butyl substituents in the 3-positions of the pyrazoles. Reaction of Co²⁺,Mn²⁺, and Ni(cyclam)²⁺ ...
Cyano-substituted polypyrazolylborate metal complexes

Zhao, Ningfeng (2005-12)

Polypyrazolylborates have become one of the most popular ligands used in inorganic and organometallic chemistry. Because of the electron-withdrawing and potential coordination property of the cyano group, as well as the ...
Design and studies of azadipyrromethene appended donor-acceptor conjugates

Amin, Anu N. (Wichita State University, 2011-07)

The research work presented in this thesis is comprised of syntheses, characterization, electrochemical and photophysical studies of aza-BODIPY appended donor-acceptor conjugates. The first chapter delivers an introduction ...
Detection and quantification of ketamine and clomiphene in complex matrices by LC and ESI-MSN

Lygrisse, Justin (Wichita State University, 2009-05)

The research presented here details the development of two separate methods for ESI-MS and LC. The first chapter gives an introduction to the first of the methods presented here, the detection of ketamine in alcoholic ...
Development of a method to investigate intra-molecular proton migration during collision induced dissociation of gas-phase peptides

Wu, Qun (2005-12)

Use of a combination of hydrogen/deuterium (H/D) exchange, mass spectrometry (MS) and/or CID is a rapidly evolving approach to the investigation of protein structure and conformation and the dynamics of conformational ...
Diimine complexes of ruthenium(ii), rhenium(i) and iron(ii): from synthesis to DFT studies

Kirgan, Robert A. (Wichita State University, 2007-08)

The chloro and pyridinate derivatives of rhenium(I) tricarbonyl complexes containing the diimine ligands 2,2’-bipyrazine (bpz) and 5,5’-dimethyl-2,2’-bipyrazine (Me2bpz) are discussed. When compared to similar rhenium(I) ...
Effects of nanosilica filler on the thermal and mechanical properties of an epoxy/amine resin system

Gurung, Ritu (Wichita State University, 2011-12)

The cure kinetics of an epoxy resin with surface modified silica filler (Nanopox F 400 resin) and without silica filler (DGEBA resin), cured with an amine curing agent, DDS at an N-H/epoxy molar ratio of 1.1:1 was studied ...
Enhancing the performance of an epoxy resin using oligomeric amide additives

De los Reyes, Janet (Wichita State University, 2012-05)

An antiplasticizer is any chemical that when added, reduces the free volume of a polymer thereby restricting the polymeric chain motions. This type of additive usually increases the modulus and strength but can compromise ...
Fragmentation of model peptides by collision-activated dissociation

Cooper, Travis J. (Wichita State University, 2009-07)

Novel fragmentation pathways of various model peptides were generated by collision-induced dissociation (CID) mass spectrometry. For the series AXAG where X=ßA, γAbu, εCap, or 4AMBz, the CID of the [b₃-1+Cat]⁺ where the ...
Influence of 2 fluorohistidine on pore formation in the anthrax protective antigen

Zhou, Haiying (2006-07)

Bacillus anthracis secretes a toxin which consists of three proteins that is the cause of the anthrax disease symptoms leading to death. They are called the protective antigen (PA), edema factor (EF) and lethal factor (LF). ...
The influence of cation and “alternative” amino acids on the fragmentation pathways of metal cationized and protonated peptides

Ochola, Sila O. (Wichita State University, 2008-05)

Tandem mass spectrometry and collision-induced dissociation (CID) are the “workhorse” methods for protein identification in proteomics investigations. Recent studies have demonstrated significant differences in the CID ...