Browsing Science (Faculty of) by Title
Now showing items 2234-2253 of 2964
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REAL-TIME OBSERVATION OF MOLECULAR REACTION MECHANISM OF HALOPYRIMIDINES AS RADIO-/PHOTOSENSITIZING DRUGS USING TIME-RESOLVED FEMTOSECOND LASER SPECTROSCOPY
(University of Waterloo, 2007-05-22)Replacement of thymidine in DNA by halopyrimidines, such as bromodeoxyuridine (BrdU) and iododeoxyuridine (IdU), has long been known to enhance DNA damage and cell death induced by ionizing/UV radiation, but the mechanism ... -
Realisation of Quantum Operations using Linear Optics
(University of Waterloo, 2011-10-04)The main topic of this thesis is linear optics and the implementation of quantum operations (measurements, quantum channels, and unitary rotations) on optical systems. In the opening chapter the basic notions needed to ... -
Realization of novel entangled photon sources using periodically poled materials
(University of Waterloo, 2010-10-01)This thesis deals with the production of entangled photons using spontaneous parametric down-conversion (SPDC). We start with a short overview of some important theoretical concepts. First we provide a brief reminder of ... -
Recent progress in carbon dioxide (CO2) as feedstock for sustainable materials development: Co-polymers and polymer blends
(Elsevier, 2018-06-06)Combustion of fossil fuels and many other industrial activities inevitably produces carbon dioxide (CO2) that is released into the atmosphere and is currently deemed to be among the major contributors to global warming. ... -
Recent progress in nanomaterial-enhanced fluorescence polarization/anisotropy sensors
(Elsevier, 2019-09)As a promising signaling transduction approach, fluorescence polarization (FP)/fluorescence anisotropy (FA), provides a powerful quantitative tool for the rotational motion of fluorescently labeled molecules in chemical ... -
Reconstructing Cosmic Velocities with the Kinetic Sunyaev-Zeldovich Effect
(University of Waterloo, 2021-09-13)Over the last few decades, Physical Cosmology has come a long way from a primitive and data-deprived field of research with several speculative theories of origin, evolution, and composition of the Universe to a mature, ... -
Reconstructing quantum molecular rotor ground states
(Physical Review B, 2020-07-06)Nanomolecular assemblies of C60 can be synthesized to enclose dipolar molecules. The low-temperature states of such endofullerenes are described by quantum mechanical rotors, which are candidates for quantum information ... -
Reconstruction of Local and Global Marine Paleoredox Conditions during Deposition of the Devonian-Mississippian Exshaw Formation (Black Shale Member) and the Evaluation of Hydrocarbon Maturation Effects
(University of Waterloo, 2019-07-17)The end-Devonian Hangenberg event represented one of the biggest Phanerozoic mass extinctions. However, the potential mechanism(s) for triggering this event, including climate cooling, sea-level change, glaciation and ocean ... -
Reconstruction of local and global marine paleoredox conditions for the northeast-Panthalassan (British Columbia, Canada) expression of the Toarcian Oceanic Anoxic Event using a multi-proxy approach
(University of Waterloo, 2020-01-23)The Toarcian Oceanic Anoxic Event (T-OAE) of the Early Jurassic is one of several Mesozoic instances of expanded ocean anoxia, coupled with feedbacks and perturbations in Earth’s systems. The drivers for these feedbacks ... -
Reconstruction of Local and Global Marine Redox Conditions During Deposition of Late Ordovician and Early Silurian Organic-Rich Mudrocks in the Siljan Ring District, Central Sweden
(University of Waterloo, 2016-01-12)The Ordovician-Silurian transition witnessed the second largest mass extinction in the Phanerozoic Eon and the Hirnantian glaciation. We measured U (as δ238U relative to standard CRM145 = 0‰) and Mo (as δ98Mo relative to ... -
Reconstruction of Paleoclimate Time-Series in the Peace-Athabasca Delta, Northern Alberta, from Stable Isotopes in Tree-Rings
(University of Waterloo, 2008-08-12)The isotopic labelling of carbon in tree-rings varies as a function of growth season temperature and relative humidity. The isotopic labelling of oxygen in tree-rings varies as a function of source-water isotopic composition ... -
Reconstruction of past variation in lake water balance at upstream Smoky and Wabasca watersheds to improve understanding of causes of lake drying in the Peace-Athabasca Delta
(University of Waterloo, 2023-01-23)Controversy persists regarding causes of recent lake-level drawdown within the internationally recognized Peace-Athabasca Delta (PAD), northern Alberta. Central to this debate are conflicting interpretations of causes of ... -
Red-shifted Spectrum in Multi-frequency Raman Generation
(University of Waterloo, 2021-08-27)Multi-frequency Raman Generation (MRG) is a promising technique to generate few-femtosecond to sub-femtosecond pulses with high energy conversion efficiency. During the transient MRG experiments coupled with two chirped ... -
Redox conditions across the Cambrian–Ordovician boundary: Elemental and isotopic signatures retained in the GSSP carbonates
(Elsevier, 2015-12-15)Lime mudstone samples (rhythmites) were collected at high resolution from outcrops of the Cambrian–Ordovician GSSP boundary section at Green Point (western Newfoundland, Canada). The sequence (~45 mthick) consists of slope ... -
Reducing the electric field sensitivity of a Rydberg state transition by the application of a non-resonant microwave field
(University of Waterloo, 2013-01-23)The 87Rb 49s->48s Rydberg state transition was rendered insensitive to electric field fluctuations about a 1V/cm dc electric field. This was accomplished by applying a non-resonant 38.445GHz microwave field to modify the ... -
Reduction of polymer surface tension by crystallized polymer nanoparticles
(AIP Publishing, 2010-10-14)Self-consistent field theory is applied to investigate the effects of crystallized polymer nanoparticles on polymer surface tension. It is predicted that the nanoparticles locate preferentially at the polymer surface and ... -
Reduction of TCE and Chromate by Granular Iron in the Presence of Dissolved CaCO<sub>3</sub>
(University of Waterloo, 2006)Iron permeable reactive barriers (PRBs) have been installed at sites contaminated with various reducible organic and inorganic chemicals, particularly chlorinated solvents, worldwide. Many geochemical factors can affect ... -
Reference Frames and Algorithms for Quantum Information Processing
(University of Waterloo, 2009-08-27)The main results of this thesis fall in to two areas, firstly quantum reference frames as a resource for quantum computations and secondly quantum algorithms. The results relating to quantum references consider their scaling ... -
A Refined Method for Quantitation of Divalent Metal Ions in Metalloproteins and Local Stability and Conformational Heterogeneity of Amyotrophic Lateral Sclerosis-Associated Cu, Zn Superoxide Dismutase
(University of Waterloo, 2014-05-13)Amyotrophic lateral sclerosis (ALS) is a devastating and progressive disease that results in selective death of motor neurons in the cortex, brain stem and spinal cord. ALS is the most common adult onset motor neuron disease ... -
Regenerable DNA-Functionalized Hydrogels for Ultrasensitive, Instrument-Free Mercury(II) Detection and Removal in Water
(American Chemical Society, 2010-09-15)Mercury is a highly toxic environmental pollutant with bioaccumulative properties. Therefore, new materials are required to not only detect but also effectively remove mercury from environmental sources such as water. We ...