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Effects of dietary phosphorus and calcium levels and phytase supplementation on bone metabolism of egg-laying hens
DownloadFall 2018
The importance of this Ph.D. thesis work is to assess the effects of dietary available phosphorus (avP) and calcium (Ca) levels and phytase supplementation in egg-laying hens and broilers. Two trials were conducted to evaluate the effects of marginal, moderate, and severe reduction in dietary avP...
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Effects of Root Zone pH, Calcium and Phosphorus Supply on Selected Boreal Forest Plant Species
DownloadSpring 2015
Soil pH is among the major environmental factors affecting plant growth. In the reclaimed areas following open-pit oil sands mining in northeastern Alberta, Canada, the pH of reclaimed soil is commonly higher than 8.0. The optimum range of soil pH for growth and the tolerance of pH extremes...
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Efficacy and side-effect profiles of lactulose, docusate sodium, and sennosides compared to PEG in opioid-induced constipation: A systematic review
DownloadSpring 2012
Opioid-induced constipation (OIC) is an unpleasant and ubiquitous side effect of opioid treatment. Ineffective treatment of OIC can result in decreased adherence to opioid therapy, decreased quality of life, and increased morbidity and mortality. The constipating effects of opioids result from...
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Fall 2020
Eukaryotic cells are characterized by the presence of membrane-bound organelles. Close proximity between organelles has been observed for decades, but only recently we have really started to understand the importance of these contacts for cellular function. These contacts consist of areas of...
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Spring 2020
Calcium homeostasis is essential and central to a variety of cellular processes from cell life and death pathways to metabolism to muscle contraction. One component that is essential to intracellular calcium regulation is known as the sarco(endo)plasmic reticulum Ca-ATPase, or SERCA. SERCA...
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Fall 2023
Infants and children require a net positive calcium (Ca2+) balance to achieve optimal bone mineral density by early adulthood. Vitamin D is a hormone that increases blood Ca2+ levels by increasing intestinal absorption and renal reabsorption of Ca2+ as well as bone remodelling. In both the kidney...
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Modulation of Spontaneous Neural Network Bursting in Newborn Rat Brain Slices by Extracellular Calcium, Methylxanthines, and Opioids
DownloadFall 2012
Spontaneous neuronal bursting appears to be pivotal for brain maturation. This thesis studied such synchronized neural network oscillations in immature newborn rat hippocampus, cortex, and locus coeruleus. For this, horizontal brain slices were generated for (simultaneous) suction electrode...
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Nonmedical Use of Opioids Following Short Term Therapeutic Exposure in Children and Youth: A Systematic Review and Qualitative Study of Decision Maker Information Needs
DownloadFall 2021
Introduction Healthcare visits, hospitalizations, and deaths due to opioid-related harms continue to rise for children, despite an overall decline in opioid prescriptions. Decision-makers (including patients, families, clinicians, and policy-makers) require high quality syntheses to inform...