Science (Faculty of): Recent submissions
Now showing items 21-40 of 3022
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Proterozoic zircon dates from auriferous zones at the Island Gold deposit: implications for late gold remobilization in the Superior Province
(University of Waterloo, 2024-02-13)The Island Gold deposit is a high-grade Archean orogenic gold deposit within the Michipicoten greenstone belt of the Superior Province. Hosted within the ~2750 Ma felsic to intermediate Wawa metavolcanic assemblage, gold ... -
Transcriptional regulation of North American wood frog (Rana sylvatica) dorsal skin during development and in response to chronic exposure to a microplastics mixture
(University of Waterloo, 2024-02-09)Amphibian populations have been experiencing declines globally for decades due to factors such as habitat loss, invasive species, climate change, overexploitation, pollution, and disease. Skin is an important immune organ ... -
Enhancing the Ministring DNA (msDNA) Purification Using PI-Sce1 Homing Endonuclease/CRISPR-Cas3 Recombinant System
(University of Waterloo, 2024-02-05)In the generation of msDNA the recombinant E. coli cells are transformed by a msDNA generating precursor plasmid, whereupon expression of the Tel protelomerase enzyme, acting on the pal target sequence present in the ... -
Optimization of the Optical Infrastructure and Trapping Potential for a Quantum Processor Based on Trapped Barium Ions
(University of Waterloo, 2024-02-02)Trapped ion quantum computers represent a cutting-edge quantum computing platform, keeping the highest reported state preparation and measurement fidelity of 99.97%. Recently, barium ion has emerged as the research ... -
Thinking outside the box; fast error estimation for next generation galaxy surveys
(University of Waterloo, 2024-01-29)Since the discovery of the accelerated expansion of the universe in the late 90s, the flat $\Lambda$CDM model has reigned as the best explanation for the cosmological phenomena we have observed. In spite of over two decades ... -
High-throughput OpenArray™: novel, swift TaqMan® Real-Time PCR chip for diagnostic biomarkers in Oncorhynchus tshawytscha
(University of Waterloo, 2024-01-26)In 2014, aquaculture replaced capture fisheries as the primary source of fish supply for human consumption for the first time in history, but to date, fish domestication has not developed enough to cope with the ... -
Development of Modular Polymeric NPs for Drug Delivery Using Amine-Reactive Chemistry
(University of Waterloo, 2024-01-26)Cancer remains one of the leading causes of death worldwide and very often requires chemotherapy treatment. Despite advances in chemotherapy treatments, some cancers remain difficult to treat due to tumour type, location, ... -
Use of Fe isotopes to examine Fe cycling in Boreal Shield lakes: implications for cyanobacterial bloom development and ancient biogeochemical cycling
(University of Waterloo, 2024-01-26)Stable iron (Fe) isotopes have only been used recently to explore biogeochemical Fe processes in terrestrial and aquatic ecosystems. The δ⁵⁶Fe values in natural samples range from −4‰ to 4‰. An increasing number of studies ... -
Creating and probing laser-cooled atomic ensembles inside a hollow-core optical fibre
(University of Waterloo, 2024-01-26)A laser-cooled atomic ensemble confined inside a hollow-core optical fiber offers a unique platform for enhanced light-matter interactions and their applications. At the same time, transferring a cloud of laser-cooled ... -
Hydrogeochemistry and Trace Element Mobility in an Acidic High-Sulfide Tailings Impoundment After 40 Years of Oxidation
(University of Waterloo, 2024-01-25)Abandoned mine sites can create a legacy environmental contamination issue when the generation of acid mine drainage is allowed to continue with insufficient or absent remediation measures. The South Bay mine, a former ... -
Exploration of the Underlying Visual Perceptual and Cognitive Mechanisms of Dynamic Visual Acuity
(University of Waterloo, 2024-01-25)Purpose: Dynamic visual acuity (dynamic VA) is a complex, perceptual ability of the visual system that involves determining fine details of objects as they move across one’s field of view (1–4). Over the years, there has ... -
Bootstrapping Quantum Field Theories
(University of Waterloo, 2024-01-23)This thesis compiles a few developments on the S-matrix bootstrap, conformal field theory, and integrability in N = 4 SYM. After an introduction contextualizing the various works that compose this thesis, we present a ... -
Low-Dimensional Nanostructured Catalysts of Copper Oxides and Nickel Oxides Supported on Graphene and Their Applications in Biosensing and Photoelectrochemical Hydrogen Evolution
(University of Waterloo, 2024-01-22)Cuprous oxide (Cu2O) nanomaterials provide a versatile platform for building non-enzymatic glucose sensors. In particular, Cu2O nanocubes with controllable sizes and distributions can be deposited electrochemically on a ... -
Size-Specific ZrO₂ and HfₓZr₁₋ₓO₂ Nanoclusters and Their Magnetic and Nanodevice Applications
(University of Waterloo, 2024-01-22)Nanoclusters, generally defined as assemblies of a discrete number of atoms or molecules in the size range of 1-10 nm, have attracted a lot of attention due to their unique properties that bridge the gap between isolated ... -
Microbial Community Compositional Stability in Agricultural Soils During Freeze-Thaw and Fertilizer Stress
(University of Waterloo, 2024-01-22)Microbial activity persists in cold region agricultural soils during the fall, winter, and spring (i.e., non-growing season) and frozen condition, with peak activity during thaw events. Climate change is expected to change ... -
Advanced Electrolyte Design for Long-Life and High-Areal-Capacity Divalent Metal Batteries
(University of Waterloo, 2024-01-22)Net-zero carbon dioxide emission demands clean renewable energy, while harnessing it requires electrochemical storage devices with high energy density, safety and affordability. To achieve decarbonization, much effort is ... -
Oxygen Reduction Reaction on Doped Lanthanum Chromate Perovskites
(University of Waterloo, 2024-01-19)The oxygen reduction reaction (ORR) plays a pivotal role in fuel cell technology and the generation of clean oxidizing agents. This reaction can proceed via two distinct pathways. The complete ORR pathway involves reducing ... -
Towards Photonic Chip Integration of an Oscillating Photonic Bell State from a Semiconductor Quantum Dot
(University of Waterloo, 2024-01-18)The demand for entangled photon sources has been growing in all areas of quantum information technologies. However, many modern single-photon sources suffer from fundamental limitations which limit their ability to produce ... -
Integrated hydrologic model calibration under non-stationary climates
(University of Waterloo, 2024-01-17)With global climate change, quantifying water availability for management under non-stationary conditions is, and will continue to be, a major challenge. When hydrologic models are calibrated to historic climatic conditions, ... -
Hunting for the Primordial Quenched Population in 2 < z < 2.5 COSMOS Protoclusters
(University of Waterloo, 2024-01-17)We present an analysis of the galaxy stellar mass function (SMF) of 14 known protoclusters between 2.0 < z < 2.5 in the COSMOS field, down to a mass limit of 10⁹ᐧ⁵ M⊙. We use existing photometric redshifts with a statistical ...