Browsing Chemical Engineering by Title
Now showing items 948-967 of 988
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Thin Film Composite Membranes Derived from Interfacial Polymerization for Nanofiltration and Pervaporation Applications
(University of Waterloo, 2015-04-20)In this study, thin film composite (TFC) membranes were prepared by interfacial polymerization on a microporous polyethersulfone (PES) substrate. These membranes were studied for salt separation by nanofiltration and ... -
Thin film composite membranes via layer-by-layer assembly for pervaporation separation
(University of Waterloo, 2019-12-06)The aim of this study was to develop LbL membranes based on polyethyleneimine and graphene oxide (PEI/GO) and to investigate them for three different applications, namely the pervaporative desalination of high-salinity ... -
Thiophene-S,S-dioxidized indophenine for use in organic field effect transistors
(University of Waterloo, 2016-12-23)To address the need for better n-type organic semiconductors, thiophene-S,S-dioxidized indophenine (IDTO) was developed. IDTO is a planar quinoidal molecule with deep energy levels which facilitate stable and efficient ... -
Thixotropic gel electrolyte containing poly(ethylene glycol) with high zinc ion concentration for the secondary aqueous Zn/ LiMn2O4 battery
(Elsevier, 2019-03-01)We have designed an aqueous gel electrolyte containing fumed silica as the thixotropic gelling agent and poly(ethylene glycol) (MW = 300 g·mol−1) as the non-thixotropic gelling agent. Poly(ethylene glycol) is also the ... -
A Topology-Based Method for the Compartmentalization of Multiphysics Flows
(University of Waterloo, 2020-09-28)Continuum simulations of multiphysics processes are costly due to the coupling of transport phenomena. Compartment modelling decouples hydrodynamics from other transport phenomena, offering a low-cost simulation alternative ... -
Toward Optimization of the Baculovirus Expression Vector System - Development of Genetic Tools to Improve Biologics Production
(University of Waterloo, 2021-08-25)Small-molecule drugs have dominated the pharmaceutical industry and physician's prescription pads since the beginning of modern medicine. The most recent decades, however, are most aptly characterized as the era of ... -
Towards a Chemically Defined Medium for Sf-9 Cell Culture: Micronutrients Reduce Dependence on Yeast Extract
(University of Waterloo, 2020-01-08)Spodoptera frugiperda clonal isolate 9 (Sf-9) insect cells in conjunction with recombinant baculovirus are an industrially relevant system for producing biologics. Sf-9 cells are capable of robust high-density growth in ... -
Towards Designing Composite membranes for CO2 Separation: The Inclusion of Hybrid TiO2-PEG Structures and the Study of their Interfaces
(University of Waterloo, 2015-11-26)This thesis work aims towards designing hybrid membranes for CO2 separation in the post-combustion process. The different methods of existing technologies are compared and assessed for their merit, and the decision of using ... -
Towards High Performance Lithium-ion Batteries using Crumpled Graphene-Protected Silicon Anodes
(University of Waterloo, 2021-05-28)Despite silicon being a promising candidate for next-generation lithium-ion battery anodes due to its high theoretical capacity of 3590 mAh/g (Li15Si4, at room temperature), self-pulverization and the formation of an ... -
Towards the Development of a ϕC31Int-Competent Sf9 Cell Line
(University of Waterloo, 2018-12-05)The Sf9 cell line, as a component of the Baculovirus Expression Vector System (BEVS), is a popular platform for industrial-scale production of protein products. However, the natural course of the BEVS results in host-cell ... -
Toxicity associated with the photo catalytic and photo stable forms of titanium dioxide nanoparticles used in sunscreen
(MedCrave, 2015-12-06)The increasing number of applications using titanium dioxide nanoparticles (nano-TiO2) highlights the need to continuously and systematically investigate its toxicity. Particle size, surface area and dose are the classical ... -
Tracking Uptake, Assembly and Egress of ACAM529 Herpes Simplex Virus Type 2 in Complementary Vero Cells for Enhanced Virus Recovery
(University of Waterloo, 2016-01-06)Herpes simplex virus (HSV) type 2 is the cause of one of the most wide-spread human infections in the world, affecting millions of people and circumventing all past attempts to cure or prevent infection. One of the ... -
Transition Metal Carbides for Thermocatalytic Conversion of Carbon Dioxide via Reverse Water Gas Shift and Sabatier Reactions
(University of Waterloo, 2018-04-23)The conversion of carbon dioxide (CO2) to synthetic fuels and chemicals is seen as a promising approach for reducing greenhouse gas emissions. Syngas (a mixture of CO and H2) that can be obtained from CO2 via the reverse ... -
Treating Cell Culture Media with UV Irradiation against Adventitious Agents: Minimal Impact on CHO Performance
(Wiley, 2014-10-01)Sterility of cell culture media is an important concern in biotherapeutic processing. In large scale biotherapeutic production, a unit contamination of cell culture media can have costly effects. Ultraviolet (UV) irradiation ... -
Turbulent Drag Reduction by Polymers, Surfactants and Their Mixtures in Pipeline Flow
(University of Waterloo, 2011-11-24)lthough extensive research work has been carried out on the drag reduction behavior of polymers and surfactants alone, little progress has been made on the synergistic effects of combined polymers and surfactants. A number ... -
Ultraviolet-C Irradiation, Heat, and Storage as Potential Methods of Inactivating SARS-CoV-2 and Bacterial Pathogens on Filtering Facepiece Respirators
(Multidisciplinary Digital Publishing Institute, 2022-01-10)The arrival of SARS-CoV-2 to Aotearoa/New Zealand in February 2020 triggered a massive response at multiple levels. Procurement and sustainability of medical supplies to hospitals and clinics during the then upcoming ... -
Uncertainty Analysis and Control of Multiscale Process Systems
(University of Waterloo, 2015-08-13)Microelectronic market imposes tight requirements upon thin film properties, including specific growth rate, surface roughness and thickness of the film. In the thin film deposition process, the microscopic events determine ... -
Uncertainty Analysis and Robust Optimization of a Single Pore in a Heterogeneous Catalytic Flow Reactor System
(University of Waterloo, 2017-08-31)Catalytic systems are crucial to a wide number of chemical production processes, and as a result there is significant demand to develop novel catalyst materials and to optimize existing catalytic reactor systems. These ... -
Understanding the Sf9 – Baculovirus Expression Vector System: Exploring the Metabolic Basis of the Cell Density Effect through Nuclear Magnetic Resonance Spectroscopy and Flow Cytometry Analysis of Fluorescent Protein Accumulation
(University of Waterloo, 2020-05-15)It is well established that the baculovirus expression vector system (BEVS) can serve as an important, effective production system for various biologicals. Knowing that the cells can serve as a production platform is ... -
Uniaxial and Viscoelastic Properties of SPI and SPI-Polysaccharide Gels
(University of Waterloo, 2022-03-23)Nowadays, consumption of soy-based products is increasing due to their appealing nutritional profile, affordability, health benefits, and potential to serve as a suitable substitute for dairy-based foods. Textural property ...