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A collection of academic publications by faculty and staff, both before and during their time at UPEI.

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1 - 25 of 1291
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Immunological (ovalbumin) and non-immunological (calcium ionophore A23187) stimulation of guinea pig trachea induces a prolonged contraction that is enhanced by indomethacin (8.5 microM) and inhibited by nordihydroguaiaretic acid (50 microM) pretreatment of the tissue. The mediator released by the a...
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We report the transmittance of Antarctic snow as a function of the thickness of snow layers, in the range between 350 and 900 nm. Samples were studied near Scott Base, Ross Island, and data are presented for measurements made in early December 1996. The transmittance followed the two flux theoretica...
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The morphology and the histochemistry from the mucus of the posterior esophagus of the winter flounder and the yellowtail flounder were examined using light and electron microscopy. The esophageal mucosa of both species was organized into elaborate branching folds. The epithelium consisted of a stra...
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Background: The proportion of geriatric horses within the equine population has increased in the past decade, but there is limited information on the immune function of these animals. Hypothesis: Aged horses will have a lesser increase in serum antibody response to vaccination. Animals: Thirty-four ...
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While large numbers of hatchery reared salmonids have been stocked into the Great Lakes, few of these introduced populations have become self-substaining. Many salmonid populations are contaminated by organochlorine chemicals, and some experience embryonic and fry mortality when reared in hatcheries...
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The responses of shortfin eel (Anguilla australis) to discharges from two pulp and paper mills, municipal wastewater, and a geothermal power plant wastewater were examined. Eels were caged at 3 sites along the Tarawera River, North Island, New Zealand, to explore effects of a 3-wk exposure down a co...
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A retrospective cross-sectional survey of dog-owning veterinary clients was undertaken in 1996 in three Canadian provinces (New Brunswick, Nova Scotia, and Prince Edward Island) to generate a population of dogs for future use in a more detailed survey on canine behaviour. The questionnaire was desig...
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Preliminary evidence shows that ethyl-eicosapentaenoate (E-EPA) has a marked clinical effect when used as an adjunct in therapy-refractory depression. EPA belongs to the class of polyunsaturated omega-3 fatty acids. The mechanism of its action in depression is not fully understood. There are two rel...
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The fat body of Periplaneta americana usually contains trophocytes, urocytes and mycetocytes. The fat body showed some marked changes in insects injected with a sublethal concentration of Pongamia glabra [P. pinnata] leaf extract (0.05 ml of 5% concentration) through the intra-peritoneal membrane. I...
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The histology and mucus histochemistry of the pleuronectid post-gastric alimentary canal was examined using light and electron microscopy. Distinct differences in goblet cell mucus histochemistry were observed between species, with the two closest taxonomic species, the winter flounder and the yello...
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Proinflammatory cytokine interleukin (IL)-1beta can cause cognitive impairment, activate the hypothalamic-pituitary-adrenal axis and impair monoaminergic neurotransmission in the rat. IL-1beta has also been shown to increase the concentration of the inflammatory mediator prostaglandin E2 (PGE2) in t...
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A dog adopted as a stray in Spain and then brought to Canada 4 years prior to presentation was evaluated for polyarthritis. An electrophoresis showed a marked polyclonal gammopathy and synovial smears contained leishmanial organisms within macrophages.
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Delivery is a stressful and risky event menacing the newborn. The mother-dependent respiration has to be replaced by autonomous pulmonary breathing immediately after delivery. If delayed, it may lead to deficient oxygen supply compromising survival and development of the central nervous system. Lack...
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BACKGROUND: Adenosine triphosphate (ATP) is a critical determinant of beta-cell insulin secretion in response to glucose. BHE/cdb rats have a mutation in ATP synthase that limits ATP production, yet develop mild diabetes only with ageing. We investigated the cellular basis for reduced insulin secret...
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In the present investigation, electrophysiological recordings of thalamic relay neurons were used to investigate the role of estrogen as a modulator of visceral afferent information through the PBN to forebrain structures. Experiments were done in anaesthetized (sodium thiobutabarbitol; 100 mg/kg) m...
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The acute lethality of low dissolved oxygen (DO) was examined in laboratory studies using several New Zealand freshwater fish and two invertebrates at 15 degree C. The 48-h LC sub(50) value was used as the endpoint for acute DO sensitivity as, owing to rapid mortality, this was found to best approxi...
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An introduction to vertebrate functional morphology / Pieter Dullemeijer -- The cartilaginous skeleton of the sea lamprey: a family of non-collagen-based cartilages / Glenda M. Wright and Fred W. Keeley -- Evolutionary transformations of the respiratory islets of air-breathing organs in teleostean f...