Index Catalog // ScholarsArchive@OSU

Surface composition age analysis of photo-oxidized polystyrene thin films by X-ray photoelectron spectroscopy

Creator:: Silva, Nicholas A.
Abstract:: Polystyrene thin film surfaces are commonly used to study the interactions of macromolecules, such as proteins, with surfaces. Polystyrene films oxidized in UV light become more hydrophilic, however these surfaces have a limited shelf life because they are reduced over time. Experiments were performed to determine the effect of radiation...
Resource Type:: Honors College Thesis
Full Text:: : ___________________________________________________ Líney Árnadóttir Polystyrene thin film surfaces are commonly used to study the

Analyzing the Kinetics and Thermodynamics of Surface Reactions using Density Functional Theory

Creator:: Sprowl, Lynza H.
Abstract:: The interactions of chemical species with a solid surface play a role in many everyday applications such as heterogeneous catalysis, corrosion, and degradation reactions. Understanding the reaction kinetics and thermodynamics via rate constants and equilibrium constants, which require knowledge of the adsorbed species’ entropy, is essential for tuning these surface...
Resource Type:: Dissertation
Full Text:: Functional Theory Abstract approved: _____________________________________________________ Líney

Density Functional Theory Investigation of CH Coupling and CH Hydrogenation Reactions on Different Cobalt Surface Facets and Fischer-Tropsch Temperature Swing Reactor Optimization

Creator:: Petersen, Dennis F.
Abstract:: Fischer-Tropsh Synthesis is a chemical process that converts CO and H₂ (syngas) into long stable hydrocarbon chains to use as fuel. This process suffers from large product distribution that requires expensive post processing. In this study, the reaction mechanism of hydrocarbon chain growth on Co is investigated on different surface...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Líney Árnadóttir Abstract: Fischer-Tropsh Synthesis is a chemical process that converts CO

Novel Predictive Simulation of Organ Perfusion Kinetics for Design of Cryopreservation Procedures

Creator:: Johnson, Hill S.
Abstract:: Despite the many advances in biotechnology and biomedical engineering, the need for long term organ and tissue storage remains among the unsolved problems in the field. Researchers are investigating several possible solutions to the issue that aim to maintain the function and integrity of the biological tissues during storage and...
Resource Type:: Honors College Thesis
Full Text:: ________________________________________________________________________ Liney Arnadottir, representing College of Chemical, Biological, and Environmental Engineering

Applications of Nonthermal Microplasmas in Chemical Reaction Engineering

Creator:: Kreider, Peter B.
Abstract:: Nonthermal plasmas generate high concentrations of excited species that can simultaneously exist at high energy and far from thermodynamic equilibrium, making them useful tools in chemistry and engineering. Microplasmas, roughly defined as plasmas that are generated within sub-millimeter dimensions, provide enhanced stability, improved excited species density, increased nonequilibrium properties, higher...
Resource Type:: Dissertation
Full Text:: oxidative methane coupling to C2 and C3 hydrocarbons with methane conversions up to 50% and selectivity to

Structure-Property Relationships of Supported Palladium and Rhenium Oxide for the Alkane Rearrangement of Hydrocarbons and Deconstruction of Polyethylene via Tandem Dehydrogenation and Olefin Metathesis

Creator:: Moore, Selena C.
Abstract:: The rapid accumulation of plastic waste in landfill, waterways and oceans is becoming a critical problem, one that current recycling technologies are not capable of solving. Recent proposed approaches in the depolymerization of waste plastics employ an Olefin-Intermediate Process (OIP), where feedstocks like polyolefin plastics are ‘activated,’ producing an olefin...
Resource Type:: Masters Thesis
Full Text:: thank my defense committee, Dr. Liney Arnadottir, Dr. Konstantinos Goulas, and Dr. Frank Chaplen, who

Synthesis, surface treatment, and characterization of copper indium sulfide quantum dots

Creator:: Alemu, Yagenetfere A.
Abstract:: The need for less toxic quantum dots (QDs) has led to a significant number of investigations related to copper indium sulfide (CIS) QDs. Lower toxicity and broad band absorbance width makes CIS QDs appealing for light emitting diodes (LEDs), lasers, sensors, bio-imaging, solar cells, and computing. The optical and electronic...
Resource Type:: Masters Thesis
Full Text:: D2 are the corresponding diffraction images and C3 and D3 are the corresponding particle size

CO₂ Reduction in Microscale-Based Corona Reactor : Experiments and Modeling

Creator:: Miao, Yu
Abstract:: Global warming is becoming an increasingly important environmental concern and CO₂ is considered as the major cause of global warming. Creating useful applications for CO₂ would generate alternatives to merely venting CO₂ to the atmosphere, and decreasing the carbon intensity of human activities. Among various methods of CO₂ utilization, conversion...
Resource Type:: Dissertation
Full Text:: Dr. Liney Árnadóttir, Dr. Karl Schilke and Dr. Morrie Craig for participating as committee members

Preasymptotic Dispersion : A Theory that Includes Evolution from the Initial Condition

Creator:: Taghizadeh, Ehsan
Abstract:: The objective of this study is to investigate the dispersion of solute matter introduced into a fully developed laminar flow in a circular capillary tube under preasymptotic regimes. For this purpose, we have used the method of volume averaging to upscale microscale balance equations for the case of diffusion-convection transport...
Resource Type:: Masters Thesis
Full Text:: members Prof. Dorthe Wildenschild, Dr. Liney Arnadottir, and Dr. Matthew Johnston for accepting to be in

Oxidation of hydrocarbon in a carbon nanotube supported corona discharge in micoreactor : oxidation of ethylene

Creator:: Alanazi, Yousef M.
Abstract:: Population growth driven sustainability issues, including the food resource issue, are pressing problems in need of attention. The goal of the present thesis is to examine the ability of an electric non-thermal plasma based microreactor to destroy ethylene, a known plant hormone responsible for losses in the range of 20%...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Surface composition age analysis of photo-oxidized polystyrene thin films by X-ray photoelectron spectroscopy

Analyzing the Kinetics and Thermodynamics of Surface Reactions using Density Functional Theory

Density Functional Theory Investigation of CH Coupling and CH Hydrogenation Reactions on Different Cobalt Surface Facets and Fischer-Tropsch Temperature Swing Reactor Optimization

Novel Predictive Simulation of Organ Perfusion Kinetics for Design of Cryopreservation Procedures

Applications of Nonthermal Microplasmas in Chemical Reaction Engineering

Structure-Property Relationships of Supported Palladium and Rhenium Oxide for the Alkane Rearrangement of Hydrocarbons and Deconstruction of Polyethylene via Tandem Dehydrogenation and Olefin Metathesis

Synthesis, surface treatment, and characterization of copper indium sulfide quantum dots

CO₂ Reduction in Microscale-Based Corona Reactor : Experiments and Modeling

Preasymptotic Dispersion : A Theory that Includes Evolution from the Initial Condition

Oxidation of hydrocarbon in a carbon nanotube supported corona discharge in micoreactor : oxidation of ethylene

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