Browsing University Archives by Title

Now showing items 1962-1981 of 2268

Modeling of photosynthetic oscillations of internal carbon dioxide in plant leaf

Amin, Md Ruhul (Lethbridge, Alta. : University of Lethbridge, Dept. of Chemistry and Biochemistry, c2012Arts and ScienceDepartment of Chemistry and Biochemistry, 2012)

In photosynthesis, Rubisco catalyzes two alternative reactions: carboxylation and oxygenation of RuBP. The carboxylation reaction utilizes CO2 in the chloroplasts, whereas the oxygenation reaction eventually leads to CO2 ...
Modeling the effects of climate change on glaciers in the Upper North Saskatchewan River Basin

Booth, Evan L. J (Lethbridge, Alta. : University of Lethbridge, Dept. of Geography, c2011Arts and ScienceDepartment of Geography, 2011)

This thesis is focused on determining the rate at which the climate of western North America (WNA) has changed in recent history, and looks at the impact that projected future climatic changes will have on a large ...
Modelling climate change impacts on mountain snow hydrology, Montana-Alberta

Larson, Robert; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2008Arts and ScienceDepartment of Geography, 2008)

A modelling approach focused on snow hydrology was developed and applied to project future changes in spring streamflow volumes in the St. Mary River headwaters basin, Montana. A spatially distributed, physically-based, ...
Modelling the auxin-mediated vein formation system in plant leaves

Slingerland, Martin Jacob (Marc); University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2007Arts and ScienceDepartment of Chemistry and Biochemistry, 2007)

The plant hormone auxin is involved in a wide range of developmental phenomena in plants. It carries out many of its effects through a signalling network involving the regulation of specific genes, including those involved ...
Modelling the effects of forest disturbances on snow accumulation and ablation in the Okanagan

Davis, Reed (Lethbridge, Alta. : University of Lethbridge, Dept. of Geography, c2012Arts and ScienceDepartment of Geography, 2012)

Forest disturbances significantly affect snowmelt dominated watersheds. Given that snowmelt from mountain regions provides up to 80% of the annual stream ow in the North American west, disturbances in these watersheds will ...
Modelling the potential impacts of climate change on snowpack in the St. Mary River watershed, Montana

MacDonald, Ryan J; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Dept. of Geography, c2008Arts and ScienceDepartment of Geography, 2008)

Climate change poses significant threats to mountain ecosystems in North America (Barnett et al., 2005) and will subsequently impact water supply for human and ecosystem use. To assess these threats, we must have an ...
Modelling the spatial characteristics of hydrometeorology in the Upper Oldman River Basin, Alberta

Sheppard, Dennis Leslie; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 1996Arts and ScienceDepartment of Geography, 1996)

A characteristic of alpine drainage basins is the very sparse distribution of meteorological recording stations. This study models a contiguous distribution of microclimate and snowpack accumulation in the upper Oldman ...
Modulation of compensation and recovery in a rat model of motor cortex stroke : implications of transcranial direct current stimulation

Gidyk, Darryl C (Lethbridge, Alta. : University of Lethbridge, Dept. of Neuroscience, c2011Arts and ScienceDepartment of Neuroscience, 2011)

The present thesis examines the effects of transcranial direct current stimulation and forelimb rehabilitation on motor recovery after stroke in rats. Post-stroke motor outcomes were quantified using an innovative battery ...
Modulation of recovery and compensation after stroke

Kirkland, Scott; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2007Arts and ScienceDepartment of Neuroscience, 2007)

Stress has been shown to exacerbate cell death and cognitive deficits after ischemic injury in rodents, however, little is known of the effects of stress on motor recovery. The objective of this present thesis is to ...
Modulation of the immune system in the mammalian intestine as an alternate explanation for the action of antimicrobial growth promoters / Estela Costa

Costa, Estela; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Dept. of Biological Sciences, c2010Arts and ScienceDepartment of Biological Sciences, 2010)

The novel hypothesis that antimicrobial growth promoters (AGP) function by modulating the mammalian immune system was tested. Sampling methods to characterize the mucosa-associated microbiota of the murine intestine by ...
Molecular and immunohistochemical investigations into fat deposition in Holstein and Charolais cattle

Huff, Phillip W.; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2003Arts and ScienceDepartment of Chemistry and Biochemistry, 2003)

Peroxisome proliferator-activated receptor (PPARy) is a transcription factor that regulates adipogenic genes and preadipocyte factor-1 (pref-1) is a transmembrane protein that regulates preadipocyte differnetiation. The ...
A molecular genetic approach to reducing the saturated fatty acid content of canola oil

Bondaruk, Mandy; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2003Arts and ScienceDepartment of Chemistry and Biochemistry, 2003)

Brassica napus is known to contain an endogenous and soluble stearoyl-acyl carrier protein (^918:0-ACP) desaturase, but does not express a palmitic (16:0)-ACP desaturase. Levels of 16:0 are low in canola oil and are ...
Molecular mechanisms of radiation-induced bystander effects in vivo

Koturbash, Igor; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2008Arts and ScienceDepartment of Biological Sciences, 2008)

Ionizing radiation (IR), along with being an important diagnostic and treatment modality, is a potent tumor-causing agent, and the risk of secondary radiation treatment-related cancers is a growing clinical problem. Now ...
The molecular mechanisms underlying epigenetics of the stress response in the cerebellum in a rat model

Babenko, Olena Mykolayivna; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Dept. of Biological Sciences, c2010Arts and ScienceDepartment of Biological Sciences, 2010)

Previous findings showed that mild chronic restraint stress causes motor impairments in rats. These behavioural impairments might be related to molecular changes in brain areas that regulate motor functions, such as the ...
Molecular methods and isolates of the entomopathogenic fungus Metarhizium anisolpliae for environmentally sustainable control of grasshoppers in Canada

Entz, Susan Carol; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2005Arts and ScienceDepartment of Geography, 2005)

Metarhizium anisoplia var. acridum, a gyphomycetous fungus registered worldwide for grasshopper and locust control, is currently under consideration as a worldwide for grasshopper and locust control, is currently under ...
Molecular strategies for increasing seed oil content in canola

Wiehler, William B.; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2001Arts and ScienceDepartment of Chemistry and Biochemistry, 2001)

Previous research has shown that microsomal DGAT activity from cultures of Brassica napus was stimulated by human acylation stimulating protein (ASP) and bovine serum albumin (BSA). Genetic constructs were engineered to ...
Molecular tools reveal hierarchical structure and patterns of migration and gene flow in bull trout (Salvelinus Confluentus) populations of south-western Alberta

Warnock, Will G; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2008Arts and ScienceBiological Sciences, 2008)

Bull trout are a species of fish native to the coldwater mountain streams of Alberta. Because this species is of special conservation concern and displays finely dissected population structure, it is well suited as a ...
The monophosphaamidine functional group

Masuda, Jason Douglas; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2002Arts and ScienceDepartment of Chemistry and Biochemistry, 2002)

The synthesis and characterization of two new bulky N,P-monophosphaamidines (also known as C-aminophosphaalkenes) are described. These phosphorus analogues to amidines are shown to exhibit isomerism and tautomerism in ...
Moral distress during psychiatric clinical placements : perspectives of nursing students and their instructors

Wojtowicz, Bernadine (Lethbridge, Alta. : University of Lethbridge, Faculty of Health Sciences, c2012Health Sciences, 2012)

The purpose of this study is to gain a richer understanding of the experiences of moral distress for nursing students within the context of psychiatric-mental health clinical placements, examine strategies students use ...
More than 'whore' : a discourse analysis on the media coverage of the murders of sex trade workers in Edmonton, Canada, 2001-2008 / Tamara Larter

Larter, Tamara; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Dept. of Sociology, c2011Arts and ScienceDepartment of Sociology, 2011)

Twenty women linked with the sex trade in Edmonton, Canada went missing or were murdered between 2001 and 2008. In this study, I use Foucauldian and feminist theories, via discourse analysis, to examine the ways that ...