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Chemical Engineering: Recent submissions
Now showing items 481-500 of 994
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Mucoadhesive Nanoparticles for Treatment of Influenza A
(University of Waterloo, 2017-08-31)Influenza A is the most pandemic-prone class of the influenza virus, with new strains emerging every year. Though vaccination is promoted as the vanguard against wide-spread infection, it is not enough to withstand mutating ... -
Exploration of acetate as a feedstock for propionate production in engineered Escherichia coli
(University of Waterloo, 2017-08-29)With a relatively low reductance, acetate is considered as a poor and uncommon carbon source for microbial production and, therefore, the production strains will require major strain engineering for effective utilization ... -
Implementation of Power-to-Gas to Reduce Carbon Intensity and Increase Renewable Content in Liquid Petroleum Fuels
(University of Waterloo, 2017-08-28)Power-to-gas (PtG) is an emerging energy storage concept, which can transfer the surplus and intermittent renewable generated power into a marketable hydrogen, as well as providing other ancillary services for the electrical ... -
Advanced Carbon Nanomaterials as Non-Precious Metal Catalysts for Fuel Cells
(University of Waterloo, 2017-08-24)Polymer electrolyte membrane fuel cells (PEMFCs) are electrochemical devices that efficiently convert hydrogen and oxygen into electricity and water. Their clean point of operation emissions and continuous operation have ... -
Nanostructured Spinel Oxides as Bi-functional Electrocatalysts for Rechargeable Metal-Air Batteries
(University of Waterloo, 2017-08-24)Due to continuously increasing energy demands, particularly with the emergence of electric vehicles (EV), smart energy grids, and portable electronics, advanced energy conversion and storage systems such as fuel-cells and ... -
Fabrication and characterization of biomimetic dry adhesives supported by foam backing material
(University of Waterloo, 2017-08-23)Using sacrificial templates to create 3D structures is commonly employed in various fields such as tissue engineering and water remediation to create complex and high surface area scaffolds. Herein, several sacrificial ... -
Formation and Field-switching Dynamics of Nematic Droplets
(University of Waterloo, 2017-08-23)Liquid crystals (LCs) refer to a class of materials which have anisotropic properties. They are used in many technological applications ranging from displays to biological sensors. One example of a category of technologically ... -
Calendar Aging and Lifetimes of LiFePO4 Batteries and Considerations for Repurposing
(University of Waterloo, 2017-08-23)In response to rising petroleum prices, the demand for lower emissions standards for vehicles, and better vehicle fuel economy, the market for hybrid and electric vehicles is expanding. These systems incorporate advanced ... -
Simultaneous Removal of Ammonia and Phosphorus from Wastewater in a Continuous Flow Vertical Bioreactor
(University of Waterloo, 2017-08-21)The objective of this PhD thesis was to study, develop and analyze an effective bioreactor and biological process to simultaneously remove nitrogen and phosphorus compounds from wastewater with minimum requirements for ... -
Ethyl Cellulose Nanoparticles in Multiphase Systems: Foams, Emulsions, and Porous Media
(University of Waterloo, 2017-08-18)Adsorption-mediated self-assembly of ethyl cellulose (EC) nanoparticles at fluid interfaces, driven by reduction in interfacial energy, is shown to lead to stabilization of emulsions and foams. A multiscale approach is ... -
Multiscale modeling in mathematical programming: Application of Clustering
(University of Waterloo, 2017-08-18)Integration across decision levels of a supply chain is a key point in improving returns on investment. For example, planning and scheduling are usually carried out separately although they are interdependent of each other. ... -
Nanocarbon-containing High Power Cathode for Rechargeable Hybrid Aqueous Battery
(University of Waterloo, 2017-08-11)Aqueous batteries have been considered to be one of the most suitable large-scale energy storage systems that require excellent safety, low cost and high power. A new secondary aqueous Zn/LiMn2O4 battery system, called ... -
Pore network modeling of reaction-diffusion in hierarchical porous particles: the effects of microstructure
(Elsevier, 2017-07-24)A general framework based on pore network modeling is presented for simulation of reactive transport in a porous catalyst with a hierarchy of porosity. The proposed framework is demonstrated in the context of steady state ... -
Rheology and Flow Behavior of Starch Nanoparticle Dispersion
(University of Waterloo, 2017-07-10)With the extensive awareness of environment friendly around the world, more and more researchers are currently developing and modifying bio-based materials that have various potential applications in different fields, such ... -
Advanced Nanostructure Materials for Hybrid Supercapacitors
(University of Waterloo, 2017-07-05)Hybrid supercapacitors (HSCs) are electrochemical devices that combine the characteristics of batteries and supercapacitors in one asymmetric cell. Lithium ion batteries (LIBs) and supercapacitors (SCs) represent two ends ... -
Case Studies with Mathematical Modeling of Free-radical Multi-component Bulk/Solution Polymerizations:Part 2
(Taylor & Francis, 2017)In Part 2 of this series of two extensive overviews of multi-component polymerization case studies, we again present mathematical modeling results with experimental confirmations. Part 2 represents a refinement and ... -
Simulation-based Design of Temperature-responsive Nematic Elastomers
(University of Waterloo, 2017-06-16)Liquid crystal elastomers (LCEs) are a class of polymer networks which involve the incorporation of liquid crystal (LC) molecules into their polymer backbone or side chain. This results in anisotropy in their mechanical, ... -
Developing Control Strategies to Regulate Dissolved Oxygen Levels in a Biological Fermenter
(University of Waterloo, 2017-06-16)Vaccine development comprises multiple stages, the first of which typically involves cultivating an organism in a microbial fermenter to produce a vaccine product. In order to ensure the optimal synthesis of the vaccine ... -
Manipulating the sleeping beauty mutase operon for the production of 1-propanol in engineered Escherichia coli
(BioMed Central, 2013-09-28)Background: While most resources in biofuels were directed towards implementing bioethanol programs, 1-propanol has recently received attention as a promising alternative biofuel. Nevertheless, no microorganism has been ... -
Construction and analysis of a genetically tuneable lytic phage display system
(Springer, 2013-09-01)The Bacteriophage lambda capsid protein gpD has been used extensively for fusion polypeptides that can be expressed from plasmids in Escherichia coli and remain soluble. In this study, a genetically controlled dual expression ...