Browsing Science (Faculty of) by Title
Now showing items 745-764 of 2849
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Early Paleozoic Ocean Redox Dynamics: Perspectives from Uranium Isotopes of Sedimentary Rocks
(University of Waterloo, 2022-11-23)The trajectory of global ocean oxygenation could have greatly influenced the metazoan evolutions because O2 could provide valuable energy to support biological activities. Remarkable metazoan diversifications occurred ... -
Early-rearing Environment and Mate Choice in Chinook Salmon (Oncorhynchus tshawytscha) Aquaculture: Effects on the Immune System
(University of Waterloo, 2011-08-09)Canada is the fourth largest producer of farmed salmon in the world, with Atlantic salmon being the major species cultivated. Paradoxically British Columbia (BC), which borders the Pacific Ocean, is the major producer ... -
Early-Stage Incorporation Strategy for Regioselective Labeling of Peptides using the 2-Cyanobenzothiazole/1,2-Aminothiol Bioorthogonal Click Reaction
(Wiley, 2018-03)Herein, we describe a synthetic strategy for the regioselective labeling of peptides by using a bioorthogonal click reaction between 2‐cyanobenzothiazole (CBT) and a 1,2‐aminothiol moiety. This methodology allows for the ... -
Earth and environmental science immersive learning experiences using a Google Expedition Kit
(2019-07-31)How do we engage and motivate students in immersive learning experiences that are otherwise impossible (i.e. Geologic History of the Grand Canyon) or not feasible (i.e. 3D perspective of volcanoes of the world) or invisible ... -
Ecological Assessment of Re-flooded Mesopotamian Marshes (Iraq)
(University of Waterloo, 2015-12-17)Assessing the ecological characteristics (water quality and the biological functions) of the Mesopotamian marshes is necessary to evaluate their recovery. Mesopotamian marshes have been affected by several anthropogenic ... -
Ecological Factors Controlling Microcystin Concentrations in the Bay of Quinte, Maumee Bay, and Three Grand River Reservoirs
(University of Waterloo, 2008-01-25)Certain types of cyanobacteria have the potential to produce toxins including microcystin, a hepatotoxin. Toxic cyanobacterial blooms are becoming increasingly common worldwide. They are a concern in the Great Lakes and ... -
Ecological Modelling of Lake Erie: Sensitivity Analysis and Simulation of Nutrient, Phytoplankton and Zooplankton Dynamics
(University of Waterloo, 2011-05-02)Lake Erie has undergone a substantial amount of ecosystem changes over the past century; including cultural eutrophication and several invasions by industrious exotic species. Simple mass balance models for phosphorus have ... -
Ecology of Ammonia-oxidizing Archaea and Bacteria in Freshwater Biofilters
(University of Waterloo, 2014-01-29)Aquarium biofilters are designed to promote the growth and activity of nitrifying microorganisms, which are primarily responsible for the removal of toxic nitrogen-cycle intermediates. Ammonia is a natural waste product ... -
Ecology of Juvenile Arctic charr in Canada
(University of Waterloo, 2013-06-14)Increases in global temperatures resulting from climate change have raised concern over potential responses of Arctic charr, <i>Salvelinus alpinus</i>, a cold-adapted freshwater/anadromous fish species in the salmonid ... -
The ecology of the nuisance macroalga, Cladophora glomerata, and its resurgence in Lake Ontario
(University of Waterloo, 2008-02-22)Cladophora glomerata is the dominant spring and summer epilithic macroalga in the lower Laurentian Great Lakes, and was a notorious nuisance prior to nutrient management of the early 1970s. It is an indicator of excessive ... -
Ecosystem oxygen metabolism in an impacted temperate river network: Application of the δ18O-DO approach
(University of Waterloo, 2013-04-22)Ecosystem metabolism is an important indicator of aquatic ecosystem function. This thesis concerns ecosystem metabolism as recorded by daily variation in dissolved oxygen (DO) and δ18O-DO in an impacted temperate river ... -
Ecosystem Services: Linking ecohydrology with economic valuation
(University of Waterloo, 2018-10-17)Economic valuation of ecosystem services has become a dominant model for environmental management at local, regional and global scales. However, policy-makers at all scales take these value estimates with a pinch of salt. ... -
Edge Modes and Carrollian Hydrodynamics on Stretched Horizons
(University of Waterloo, 2022-09-27)The first part of this thesis is aimed at investigating the crucial role played by emergent boundary degrees of freedom, called edge modes, in gauge theories defined in spacetimes with boundaries. We propose a simple and ... -
Effect of a Mobile Phone Intervention on Quitting Smoking in a Young Adult Population of Smokers: Randomized Controlled Trial
(JMIR, 2018-10-23)Background: Digital mobile technology presents a promising medium for reaching young adults with smoking cessation interventions because they are the heaviest users of this technology. Objective: The aim of this study ... -
The effect of a protein-restricted diet during pregnancy on the expression of the amino acid transporter System B0,+ in early rat embryos
(University of Waterloo, 2010-01-04)Epidemiological studies have shown that human adults have a higher chance of developing various metabolic disorders, such as type II diabetes and hypertension, due to maternal under nutrition. The concept that conditions ... -
The Effect of a Source Change for an Active Pharmaceutical Ingredient (API) or Excipient on the Finished Drug Product
(University of Waterloo, 2016-08-10)The global cost of health care is increasing year after year, and one of the ways governments and health care providers are looking to reduce cost is by reducing the cost of drug products. The generic industry is under ... -
Effect of aging on measures of visual attention using dual tasks and visual search
(University of Waterloo, 2010-01-19)In Canada, as baby boomers age, there will be an increase in the percentage of seniors within the general population (Statistics Canada, 2006). Seniors often have difficulty in performing certain everyday tasks and have ... -
Effect of ambient humidity on the Cochet-Bonnet aesthesiometer
(Springer Nature, 2018-06-19)Purpose: The Cochet–Bonnet (COBO) aesthesiometer is the current standard in corneal sensitivity assessment. This study investigates the influence of ambient room humidity levels on the stimulus force exerted by the ... -
Effect of Background Water Matrices on Pharmaceutical and Personal Care Product Removal by UV-LED/TiO2
(Multidisciplinary Digital Publishing Institute, 2021-04-30)In this study, we evaluated the effectiveness of UV-LED-irradiated TiO2 in removing 24 commonly detected PPCPs in two water matrices (municipal wastewater effluent and Suwannee River NOM–synthetic water) and compared their ... -
Effect of chain stiffness on the entropic segregation of chain ends to the surface of a polymer melt
(2019)Entropic segregation of chain ends to the surface of a monodisperse polymer melt and its effect on surface tension is examined using self-consistent field theory (SCFT). In order to assess the dependence on chain stiffness, ...