Browsing Theses by Subject "graphene oxide"
Now showing items 1-12 of 12
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Applications of Reflectometry Towards the Development of MEMS Gas Sensors
(University of Waterloo, 2021-05-27)Reflectometry or reflectance spectroscopy is a relatively simple characterization technique based on the analysis of reflected light from a surface. Herein, reflectometry is used to attain significant insights towards the ... -
Aptamer-Based Detection of Caffeine and Theophylline Through Utilization of Gold Nanoparticles and Graphene Oxide
(University of Waterloo, 2023-04-26)The caffeine and theophylline aptamers were used in tandem with gold nanoparticles and graphene oxide to study potential methods for small molecule detection. The AuNP approach is a label-free approach, and the graphene ... -
Electrolyte Design and Engineering for Electrochemical Energy System
(University of Waterloo, 2019-04-24)Electrochemical energy conversion and storage technology is considered as a promising replacement of fossil fuels to directly convert the chemical energy to electrical energy through electrochemical reactions, which has ... -
Electromechanical Coupling of Graphene With Cells
(University of Waterloo, 2011-08-10)Nanomaterials have been studied extensively in the last decade in the context of many applications such as polymer composites, energy harvesting systems, sensors, ‘transparent’-like materials, field-effect transistors (FETs), ... -
Engineering Graphene Oxide Electrolyte Membranes for Electrochemical Energy Systems
(University of Waterloo, 2021-01-29)Graphene oxide (GO) is an atomically-thick, two-dimensional nanomaterial decorated with an abundance of oxygen functional materials on the basal plane and edges. Due to its unique set of properties, it is a material used ... -
Graphene Based Membranes for High Salinity, Produced Water Treatment by Pervaporation Separation
(University of Waterloo, 2023-03-13)Petroleum industries generate huge volumes of wastewater that is associated with oil and gas during extraction, known as produced water. It accounts for 98% of the amount extracted, and comprises diverse pollutants of ... -
Graphene Encapsulation for Cells: A Bio-Sensing and Device Platform
(University of Waterloo, 2014-04-30)The generation of new nanoscale fabrication techniques is both novel and necessary for the generation of new devices and new materials. Graphene, a heavily studied and versatile material, provides new avenues to generate ... -
Interfacing fluorescent DNA oligonucleotides with graphene oxide and metal oxides: from adsorption to sensing
(University of Waterloo, 2022-08-18)DNA, apart from being the mode of genomic information storage, has found several uses in catalysis (DNAzymes) and target detection (aptamers). Developing novel biosensors utilizing these properties has therefore been a ... -
Properties of Hydrogels Incorporating Graphene Oxide-based Nanoparticles for Tissue Engineering Purposes
(University of Waterloo, 2016-01-21)Tissue engineering involves designing and fabricating scaffolds for tissue regeneration and replacement. Much research has focused on identifying the key factors that affect scaffold performance and the necessary material ... -
Study of Ion and Solvent Transport through Graphene Oxide Membranes
(University of Waterloo, 2017-01-10)Filtration membranes are required to be thin, robust, energy efficient, and accurate on selectivity. Graphene oxide (GO) is believed to be a potential next generation material for industrial membrane applications because ... -
Synthesis, Characterization, Chemical Reduction and Biological Application of Graphene Oxide
(University of Waterloo, 2013-09-03)As an atomic layer of sp2-hybridized carbon atoms closely packed in a honeycomb lattice, graphene has been attracting increasing attention since its discovery in 2004 due to its extraordinary physicochemical properties. ... -
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 ...