Browsing Engineering (Faculty of) by Supervisor "Tam, Michael"
Now showing items 1-20 of 20
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Antimicrobial Cellulose Nanocrystals Containing Quaternary Ammonium Polymers Prepared via Atom Transfer Radical Polymerization
(University of Waterloo, 2020-09-09)Nanomaterials have been widely used as antimicrobial agents for their high efficiency. However, the lack of recovery techniques and toxicity has raised concerns for the use of these materials. Cellulose nanocrystals (CNCs), ... -
Application of Cellulose Nanomaterials in Water Treatment Processes
(University of Waterloo, 2020-01-20)Many advanced water treatment processes have been designed and implemented to purify water, such as adsorption, photocatalysis, and membrane filtration processes. All these processes have the potential to be enhanced through ... -
Cationic Cellulose Nanocrystals (CNCs) for Organic and Inorganic Colloids Flocculation
(University of Waterloo, 2016-01-27)Cellulose nanocrystals were modified for use as novel flocculants by taking advantage of the extended cationic polymeric chains on CNCs. They were evaluated using both organic colloids and inorganic bentonite clay particles. ... -
Cationic Cellulose Nanocrystals for the Flocculation of Mature Fine Oil Sands Tailings
(University of Waterloo, 2021-04-22)As the volume of oil sands tailings continues to increase each year with a concurrent need for better flocculants to replace the inorganic electrolytes and synthetic polymers, natural polymers are being considered as ... -
Cellulose Nanocrystal Hybrids as Reinforcing and Antibacterial Agents in Rubber Nanocomposites
(University of Waterloo, 2020-08-31)As environmental consciousness increases and fossil fuel feedstocks are depleted, ecofriendly product development is of utmost importance. This thesis describes an in-depth analysis of cellulose nanocrystals (CNC) used as ... -
Cellulose Nanocrystals Incorporated Nanocomposites for Water Treatment Applications
(University of Waterloo, 2017-01-12)Water is the elixir of life; however, it is being increasingly contaminated by a wide variety of contaminants from industrial, municipal and agricultural sources like dyes, heavy metal ions, food additives, pharmaceuticals, ... -
Conductive Cellulose Nanocrystals for Electrochemical Applications
(University of Waterloo, 2016-06-23)Recognized as the ‘nature’s latest wonder material’, cellulose nanocrystals (CNCs), can be extracted from cellulose, the most abundant biopolymer on earth. This nanomaterial is inherently renewable, nontoxic, sustainable, ... -
Design of Functional Coating on Cellulose Nanocrystals for Advanced Applications
(University of Waterloo, 2022-09-20)As a result of the increasing demand for high-performance, sustainable consumer products, renewable materials with benign characteristics are receiving considerable attention. Among many renewable materials, cellulose ... -
Design of Functionalized Cellulose Nanocrystals for Personal Care Applications
(University of Waterloo, 2017-01-10)Derived from the depths of rich, green Canadian forests; the discovery of cellulose nanocrystals (CNCs) has pushed the research and industrial community to find strategic alternatives to replace existing non-renewable ... -
The Design of Novel Functional Materials Based on Cellulose Nanocrystals/Nanofibrils
(University of Waterloo, 2016-01-19)As the most abundant organic biomass on the planet, cellulose provides environmental, biocompatible and sustainable benefits. When treated by acid hydrolysis, highly crystalline nano-rods, called cellulose nanocrystals ... -
Development of Nanogel Templated and Sustainable Nanomaterials for Environmental Applications
(University of Waterloo, 2022-08-02)Water treatment is attracting increasing attention due to its important role in providing safe water for human activities. In this doctoral research, various advanced nanomaterials were developed and demonstrated in several ... -
Functionalization of Cellulose Nanocrystals with Inorganic Nanoparticles
(University of Waterloo, 2016-08-11)In recent years, cellulose nanocrystals (CNCs) possess attractive features including good mechanical strength, high surface area, low density, crystalline rod-like structure, biocompatibility, biodegradability, and ... -
Functionalized Cellulose Nanocrystals (CNC) for Advanced Applications
(University of Waterloo, 2016-08-11)Cellulose nanocrystals (CNC) are excellent candidates for various potential applications as they possess many attractive characteristics. The unique properties and the abundant, renewable nature of CNC is of great interest ... -
Functionalized Cellulose Nanocrystals with Enhanced Mucoadhesive Properties
(University of Waterloo, 2021-09-28)Salmon farms across Canada face millions of dollars in losses every year due to sea lice infestations, which is a cause for growing concern. The current treatment methods are limited and have adverse effects on the aquatic ... -
Functionalized Cellulose Nanomaterials for Integrated Environmental Management
(University of Waterloo, 2021-08-25)Bio-mass derived materials, such as cellulose nanomaterials (CNs) are naturally abundant, sustainable, and bio-degradable, and they are promising next generation materials to replace petroleum derived systems. The thesis ... -
Functionalized Starch Nanoparticles for Pulp-Based Active Packaging
(University of Waterloo, 2018-09-04)The characterization of functionalized cationic starch nanoparticles (StNPs) was conducted in this study. Three different strategies in the preparation of sustainable and biodegradable active packaging materials were ... -
Modified Cellulose Nanocrystals (CNC) for Functional Foods
(University of Waterloo, 2021-06-02)In recent years, food safety has attracted increasing attention, as consumers desire a healthier lifestyle and a prolonged lifespan. The interests in food to satisfy hunger have taken a shift towards providing more functional ... -
Mucoadhesive Nanocomposite Derived from Cellulose Nanocrystal and Chitosan for the Delivery of Hydrophobic Compounds
(University of Waterloo, 2020-05-19)The sea lice are a major ectoparasite of salmon aquaculture that anchor to host fish’s mucus membrane, epidermis, and vascular system, thereby compromising the fish immunity. The surging amount of sea lice has caused ... -
Nanocellulose-based systems for the removal of perfluoroalkyl compounds from water
(University of Waterloo, 2021-08-30)The contamination of drinking water sources with poly- and perfluoroalkyl substances (PFAS) is a cause for concern. These compounds have been linked to several health problems in humans, and thus there is an urgent need ... -
Rational Design and Green Fabrication of Antimicrobial Metal Nanoparticle/Cellulose Nanocrystal Composites
(University of Waterloo, 2020-09-21)The primary goals of the work presented in this thesis were to better understand how metal nanoparticles (MNPs) affect antimicrobial activity, and to develop green synthesis protocols for the fabrication of nanocomposites ...