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Cross-reactive fiber-optic sensor arrays in the design of an artificial nose /Dickinson, Todd A. January 1900 (has links)
Thesis (Ph.D.)--Tufts University, 1999. / Adviser: David R. Walt. Submitted to the Dept. of Chemistry. Access restricted to members of the Tufts University community. Also available via the World Wide Web;
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A new questionnaire to determine the frequency and severity of symptoms caused by inhaled odors, chemicals and irritants in normal subjects and their relation to health-related quality of lifeWilliamson, Stephen E. January 2007 (has links)
Thesis (M.S.)--University of South Florida, 2007. / Title from PDF of title page. Document formatted into pages; contains 34 pages. Includes bibliographical references.
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Molecular and functional anatomy of the mouse olfactory epithelium /Vedin, Viktoria, January 2006 (has links)
Diss. (sammanfattning) Umeå : Umeå universitet, 2006. / Härtill 4 uppsatser.
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Correlation of analyses of odor profiles of HDPE films coated with different adhesives using electronic nose, sensory evaluation, and GC-MSXiong, Li. January 2006 (has links)
Thesis (Ph. D.)--Michigan State University. Dept. of Packaging, 2006. / Title from PDF t.p. (viewed on Nov. 20, 2008) Includes bibliographical references (p. 275-287). Also issued in print.
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A searchlight for meaning in the olfactory bulb /Doucette, Wilder Thorne. January 2008 (has links)
Thesis (Ph.D. in Neuroscience) -- University of Colorado Denver, 2008. / Typescript. Includes bibliographical references (leaves 140-153). Free to UCD Anschutz Medical Campus. Online version available via ProQuest Digital Dissertations;
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The odors of sanctity and of evil in Old English prose and poetry /Glanz, Elaine Marie, January 1996 (has links)
Thesis (Ph. D.)--Lehigh University, 1996. / Includes vita. Bibliography: leaves 290-303.
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Scents of Efficiency: Discovering How Olfactory Stimuli Affect Caregiver Performance In A Simulated Emergency DepartmentJanuary 2013 (has links)
abstract: Research has shown that the ability to smell is the most direct sense an individual can experience. With every breath a person takes, the brain recognizes thousands of molecules and makes connections with our memories to determine their composition. With the amount of research looking into how and why we smell, researchers still have little understanding of how the nose and brain process an aroma, and how emotional and physical behavior is impacted. This research focused on the affects smell has on a caregiver in a simulated Emergency Department setting located in the SimET of Banner Good Samaritan Medical Center in Phoenix, Arizona. The study asked each participant to care for a programmed mannequin, or "patient", while performing simple computer-based tasks, including memory and recall, multi-tasking, and mood-mapping to gauge physical and mental performance. Three different aromatic environments were then introduced through diffusion and indirect inhalation near the participants' task space: 1) a control (no smell), 2) an odor (simulated dirty feet), and 3) an aroma (one of four true essential oils plus a current odor-eliminating compound used in many U.S. Emergency Departments). This study was meant to produce a stressful environment by leading the caregiver to stay in constant movement throughout the study through timed tasks, uncooperative equipment, and a needy "patient". The goal of this research was to determine if smells, and of what form of pleasantness and repulsiveness, can have an effect on the physical and mental performance of emergency caregivers. Findings from this study indicated that the "odor eliminating" method currently used in typical Emergency Departments, coffee grounds, is more problematic than helpful, and the introduction of true essential oils may not only reduce stress, but increase efficiency and, in turn, job satisfaction. / Dissertation/Thesis / M.S.D. Design 2013
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DEVELOPMENT OF A BIOSENSOR FOR OBJECTIVELY QUANTIFYING ODORANTSUnknown Date (has links)
Nuisance odor levels produced by solid waste management operations are subject to regulatory standards due to their impacts on the quality of life of the residents living nearby the facility. Failure to meet regulatory standards may result in fines, litigation, inability to acquire permits, mitigation, and re-siting operations. Since measurement of environmental nuisance odors is currently limited to subjective techniques, monitoring odor levels to meet such standards is often problematic. This is becoming more acute as increasing residential populations begin to encroach on properties adjacent to landfills. In order to ensure that nuisance odor issues are minimized, it is necessary to provide an objective measurement. The objective of the current research is to develop a biosensor for providing an objective, standard measurement of odors. The approach is to modify the human odorant binding protein (hOBPIIa), isolated using published biomolecular techniques, by fluorescently tagging it with a chromophore functional group. When this protein is tagged with a fluorophore marker and excited in a spectrofluorometer, it emits light of a certain wavelength that can be detected and quantified. Once odorant molecules are exposed to this complex, they start replacing the fluorophore, and as a result, the emitted light intensity decreases in proportion to the number of odorant molecules. Since the protein response depends on odorant concentration, following an inverse Beer’s Law relationship, the odorants can be quantified accurately and rapidly using fluorometric measurements. The results establish quantitation ranges for different pure and mixture of odorant gases as well as the amount of gas that can be quantified across various flow rates. / Includes bibliography. / Thesis (M.S.)--Florida Atlantic University, 2020. / FAU Electronic Theses and Dissertations Collection
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Neuronal Topography in a Cortical Circuit for Innate Odor ValenceCostantini, Daniel January 2020 (has links)
The mouse olfactory system detects odorants with 1000 olfactory receptors (ORs). Olfactory sensory neurons (OSNs) express only 1 OR. OSNs expressing a common OR converge
on a single glomerulus, a stereotyped location in the olfactory bulb (OB). Thus, odorants are represented by a spatial map of glomerular activation. OB odor representations are then processed by five central brain regions. One region, cortical amygdala (CoA), receives spatially patterned and stereotyped axonal input from the OB and is both necessary and sufficient for innate behavioral responses to odor. However, CoA receives input from all glomeruli and forms a representation of every odor. It is not known why all odors are represented in CoA or how some odor representations elicit behavior while others do not. One hypothesis is that only rare neurons in CoA, not activated by most odors, participate in innate signaling. Another hypothesis is that all neurons in CoA participate in innate signaling, but for many odors, opposing CoA outputs cancel out downstream. These hypotheses were addressed by single nuclei sequencing and in situ hybridization which identified and localized neuronal cell types within CoA. Cell types are topographically segregated in regions well positioned to differentially receive inputs from genetically defined subsets of glomeruli. Therefore, the connectivity between OB and CoA may instantiate a genetically wired circuit from OB to cortex for innate odor processing. A number of rare and common cell types were identified. Thus, CoA may process two types of innate signals: (1) specific innate signals, produced by few glomeruli and processed by rare CoA cell types; (2) broad innate signals, produced by many glomeruli and processed by common CoA cell types through the integration of probabilistic information about the value of odorants.
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Les pestilences du naturalisme : Zola descripteur des odeursSicotte, Geneviève January 1992 (has links)
No description available.
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