Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
Solid-state carbon-13 nuclear magnetic resonance (NMR) spectroscopy has come to be considered the pre-eminent analytical technique for the study of soil organic matter in its entirety. Despite its widespread use, carbon-13 CP-MAS NMR of...
Box C/D snoRNPs catylze the specific 2'O-methylation of rRNA in important regions the ribosome, although the role of the modifications is unclear. Eukaryotic box C/D snoRNPs consists of a box C/D RNA and four proteins, Fibrillarin, Nop56...
Microwaves have been for their ability to heat water and food rapidly. And thanks to scientific technology and global marketing, the microwave oven was invented and got widely used in 1970's and 1980's. . Microwave radiation has specific...
Block copolymer ionomers are a class of polymers that contain a hydrophobic block and a block containing charged repeat units. In the first set of experiments, micelles were created from such a polymer. A set of fluorescence probe...
In the US, among edible tree nut seeds consumed, almonds are ranked number one. Almonds are considered heart healthy and approved by FDA for qualified health claim. Almonds are consumed as natural raw unprocessed or as variously...
Natural organic matter (NOM) exists as a highly functionalized, polydisperse and complex mixture of organic compounds derived from decaying plan and animal detritus. NOM has been characterized by Fourier transform ion cyclotron resonance...
The work in this dissertation presents development of microfluidic devices for cellular perfusion with temporal gradients of glucose. Initially, a microfluidic perfusion system was developed for automated delivery of glucose to single...
Free fatty acids (FFAs) are signaling molecules secreted by adipocytes, or fat cells. Individual FFAs differ in their ability to stimulate or attenuate insulin secretion depending on the chain length and degree of unsaturation of the FFA...
Membrane proteins account for 1/3 of the proteins encoded within known genomes and at least 60% of current drug targets. While the field of structural biology has achieved remarkable success in determining the three dimensional...
As the global supply of easily accessible, light crude oil diminishes, production of heavy crude oils and offshore drilling for light crude oils will continue to increase. However, one problem that is often encountered during the...
Almonds are the number one tree nut produced in the U.S. and the number one consumed tree nut worldwide. Despite their economic, nutritional, and consumer value, almonds are among the top foods responsible for eliciting allergies in...
This dissertation focuses on probing the fundamental chemistry of the actinide series, specifically the structure and bonding in complexes of transuranium elements. The actinides consist of the elements from actinium to lawrencium in the...
The performance of a material is often dictated by surface and interfacial properties such as wettability, friction and adhesion. The ability to modify the wetting properties of surfaces by using self assembled polyelectrolyte...
The work in this dissertation presents methods for study of glucose stimulated insulin secretion as well as other hormones involved in glucose homeostasis. A microfluidic system was developed to investigate the entrainment of insulin...
Characterization of Soil Organic Phosphorus and Carbon by 31P and 13C Nuclear Magnetic Resonance Spectroscopy and Liquid Chromatography-Mass Spectrometry
Phosphorus is an essential nutrient in ecosystems and exists in both inorganic and organic forms. The important role of organic phosphorus in the phosphorus cycle cannot be fully understood unless the quantitative abundances of...
ABSTRACT In the present work, Raman, resonance Raman and IR spectroscopy were used to investigate isolated vanadium and chromium sites homogeneously dispersed in a transparent silica xerogel matrix. The use of optical monolithic glasses...
Chickpea (Cicer arietinum L) is the second most important pulse crop after bean and third most important legume worldwide after garden pea and field bean. Chickpea was introduced to the US northern plains in the early 1980s. Since then, ...
Abstract Gas-Solid reactivity was extensively studied throughout the early 20th century and the kinetics of these systems have become well established and well understood. Recently, microwave active materials (conductive or magnetic...
The work in this dissertation presents methods for sensitive and selective assays for hormones and proteins involved in the regulation of glucose homeostasis. The capillary electrophoresis (CE) conditions for a competitive immunoassay of...
A Comprehensive Assessment of the Effects of Ozone and Uv Radiation on the Molecular Weights and Optical Properties of Natural Water and Wastewater Effluent Dissolved Organic Matter
The work presented concentrations on better understanding the physical and chemical properties of dissolved organic matter (DOM) in two distinctly different aquatic environments. More specifically, examining the degradation of DOM before...
Different gel matrices were explored to extend the use of two dimensional (2D) gel electrophoresis for peptide analysis. Excellent separations of peptides labeled with the fluorescent dye Cascade Yellow were achieved in one dimension on...
Polyelectrolyte complexes (PECs) have received a growing interest since the early sixties. PECs have been used for large-scale industrial applications and have demonstrated enormous potentials in various fields such as coatings, binders...
With the development of ionization techniques such as electrospray ionization (ESI) and matrix-assisted laser desorption/ionization (MALDI), mass spectrometry expands its subject of study from small volatile molecules to non-volatile...
Sandy soils are a major forest resource in the southeastern U.S and intensive forest management is escalating; yet the effect of forest management on soil organic carbon (SOC) is not well documented. It is unclear to what degree root and...
The industrialization and growth of the world population has consequently led to the generation of larger quantities of both industrial and municipal wastes. Modern landfills are designed to sequester municipal solid wastes into a...
Soybean allergies are one of top eight types of food allergies, affecting ~ 0.4% children and 0.3% adults in North America. Soybean agglutinin (SBA) protein, also known as soybean lectin, is both an allergen as well as an anti-nutrient...
The work in this dissertation presents a method for multiplexing fluorescence measurements in both polymerase chain reaction (PCR) and anisotropy. For PCR, two dual color infrared mediation assays were demonstrated on a microfluidic...
As the world's reserves of light crude oil are depleted, the fuel industry will have to find other sources to generate transportation fuels. There are known supplies of unconventional crude oil (bitumen) in Canada, but it is more...
Ultrathin films consisting of an alternating sequence of positively and negatively charged polyelectrolytes have been prepared by means of the electrostatic layer-by-layer sequential assembly technique. To augment their typical...
Arginine kinase reversibly catalyzes phosphoryl transfer between ATP and arginine, thus providing a mechanism for buffering ATP levels in cells with high or variable energy requirements. X-ray crystal structures of a substrate-free and...
Asphaltenes are a solubility defined class of crude oil compounds that precipitate from solution upon normal alkane addition. They are experimentally investigated due to their tendencies to cause refinery issues. Their ability to...
This thesis details our studies of the ultrasonic degradation of copolymers, to provide future investigators with information discerning the effect of monomeric arrangement on the transient elongational flow-induced degradation of...
Phosphorous is one of the most important nutrients in the natural environment. It is often the limiting nutrient in many environmental systems. Recently, it has been recognized that organic phosphorus compounds play a more important role...
High resolution mass spectrometry, especially Fourier transform ion cyclotron resonance mass spectrometry (FT ICR MS) is a widely practiced technique of choice in proteomics and lipidomics due to its high sensitivity, reproducibility and...
Particle size, shape, and their distributions directly influence a variety of processing and end-use properties related to packing, mixing, and transport of powders, solutions, and suspensions. Many of the techniques currently employed...
The purpose of this thesis is to detail the study of the mechanochemical degradation of a semi-flexible, highly-extended polymer, in order to create a benchmark of quantitative data for use by future investigators interested in...
The chemical complexity of crude oil, arguably the most complex mixture in the world, has been addressed over the past decade by ultrahigh resolution FT-ICR MS. FT-ICR MS has shown to be well suited to complex mixture analysis, and the...
With recent progress in clinical proteomics, mass spectrometry (MS)-based methods have been widely implemented in diagnosis of diseases which offers high specificity that conventional clinical tests lack. The recent development of high...
Polyelectrolyte multilayers are formed by alternate deposition of polyelectrolyte solutions of opposite charges onto a charged surface. The film produced can be very well controlled in terms of thickness and composition. The conditions...
Gas phase mass spectral analysis is now showing great promise in the characterization of natural organic matter. With the routine availability of the soft electrospray ionization (ESI) technique, volatilization and ionization of a sample...
Cashews are the number one produced tree nut worldwide and the U.S. is the top importer. Despite their popularity and economic importance, cashews are frequently implicated in IgE-mediated food allergy. Food allergy is an increasingly...
Mass spectrometry (MS) has become an important analytical method for proteomic research due to its high mass accuracy, resolution, and selectivity. Even though the traditional bottom-up MS-based method is still a widespread routine for...
Food allergy is a globally recognized health problem, which is estimated to affect 8% of children and 10% of adults in the USA. Within the USA, 90% of the food allergies are due to peanut, tree nuts, fish, shellfish, egg, milk, wheat, ...
Pyrolysis oil has shown potential as an environmentally-friendly petroleum replacement for the production of fuel and chemicals. Also, the use of waste materials in the production of pyrolysis oil alleviates concerns associated with...
Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
