Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 173 for “"Environmental stimuli"”.
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The responses of Arabidopsis lyrata ssp. petraea to environmental stimuli
… isolated populations experience varying environmental conditions throughout the species’ range. A. l. petraea is consequently an appropriate test system to study the effects of abiotic stress on species’ distributions and for investigation of local adaptation. The main objective of this …
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Environmental stimuli shape adaptive immunity by enhancing T helper cell differentiation and the germinal centre response
… signals and to incorporate information about environmental cues to adapt their differentiation and effector function. Because of this, it is important that immune cells are studied in the context of their surroundings. In this thesis, I investigated the roles of environmental endoplasmic …
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Maturation of pluripotent stem cell-derived alveolar type II cells at air-liquid interface and response to environmental stimuli
… cell types that are directly exposed to inhaled environmental stimuli such as respiratory viruses and cigarette smoke. Primary human AT2s can be cultured in vitro in three-dimensional organoids known as alveolospheres, but are difficult to culture in the physiologically relevant air-liquid …
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Work groups and the physical environment: The combined influence of environmental stimuli and task complexity on group process and effectiveness criteria
This study examined how the environmental support of group boundaries influences group behavior by regulating two forms of environmental stimuli (i.e., acoustical and visual stimuli). Competing hypotheses developed from two theoretical frameworks (i.e., the environmental stimulation and absorption …
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Plant responses to environmental stimuli: A screen for mutants aberrant in TCH4 expression behavior, and a full-genome assessment of touch and darkness inducibility
… of detecting and responding to a wide variety of environmental stimuli, yet much remains to be determined about the mechanisms by which these processes occur. I describe herein a proof-of-concept mutant screen for identifying mutants aberrant in their responses to a variety of stimuli including …
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The role of SCLA-type GRAS transcriptional regulators in plant development and stress responses
… which is essential to life. In biology, environmental stimuli and cues are sensed by receptors, which in turn activate signal transduction and downstream responses. Downstream responses are often mediated by transcriptional regulators, which can coordinate responses to environmental …
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DEVELOPMENT OF IONIC POLYMER NANOBRUSHES WITH APPLICATION IN MALDI-MS
… development will be evaluated in terms of the environmental stimuli response. Once an essential insight of the brush behavior is gained, application will be evaluated in terms of the protein fractionation prior to analysis by Matrix Assisted Laser Desorption Ionization Mass Spectroscopy - …
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The Effect of 72 Consecutive Hours in the Coronary Care Unit on the Night Sleep of 10 Patients Age 65 and Older
… et al., 1969).</p> <p>Rome (1969) found that the environmental stimuli of the critical care unit increases the arousal of patients. Kornfield (1969) found that with an increase in arousal in critical care, the patient achieves less rest and sleep. Woods (1972) and Walker (1972) found that the rest …
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Development of Soft-Matter Delivery Systems: Coupling pH Responsive Polymers to Porous Silica Particles
… polymer analogs allowing for dynamic response to environmental stimuli. In addition to coupling commercially available diblock polymers we synthesized and characterized a unique dual hydrophilic pH responsive diblock copolymer, PEO-PAA. This hybrid polymeric-nanoparticle system drastically …
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The Amelioration of Self-Stimulation in an Autistic Teenager: A View Toward the Environment
… of treatment effects, but the influence various environmental stimuli had on the subject's behavior. The subject was studied in three natural environments: a vocational workshop, at school, and at home. A multiple baseline design across settings was attempted but not achieved. Data collection …
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Nucleus accumbens dopamine and investigatory behavior : modulation by the ventral subiculum of the hippocampus through the dopamine cell bodies of the ventral tegmental area
… elevations in NAS DA evoked by exposure to novel environmental stimuli. Novelty-evoked elevations in NAS DA were abolished by injections of TTX into the VS. Perfusion of KYN into the VTA also blocked novelty-induced elevations in NAS DA. The present experiments indicate that the VS modulates NAS …
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Some Effects of 6-Azauridine on Two Mutant Genes in the Mouse.
… ’59). The influence of genotype on response to environmental stimuli has been investigated in Drosophila (Goldschmidt and Piternick, ’57), fowl (Landauer, ’48, ’60, ’65), and mammals (Dagg, ’66). Different strains of the same species often show varied developmental responses to the …
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Genetic and metabolomic analysis of how population density modulates neuroendocrine physiology of C. elegans
… organisms are presented with ever-changing environmental stimuli that can be beneficial or detrimental. Distinguishing the critically important environmental cues from the insignificant ones is integral to the survival of the organism. These cues may be based on chemical communication, …
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Novel water-use strategies of Colorado wetland plants: implications for wetland water loss
… when scaled to ground area. Stomatal response to environmental stimuli differed from upland stomatal responses, which suggests that wetland plants prioritize carbon uptake over hydraulic safety and do not align with current paradigms for stomatal responses to vapor pressure deficit, leaf water …
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The role of sense of coherence in stressor appraisal
… to an individual’s generalized perception of environmental stimuli. Individuals with a strong SoC perceive the world as more comprehensible, manageable, and meaningful and may be more likely to appraise work-related stressors as having potential for opportunities (challenges) than for …
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Endogenous and exogenous control of polymers for spatiotemporally defined drug delivery
… drug delivery systems’ respond to external and environmental stimuli to modulate drug release at the right time and in the right place. Here I present several polymer systems to overcome challenges in spatiotemporal control of drug delivery. First, a novel acid-labile liquid polymer responsive …
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SOFT ADAPTIVE NANOCOMPOSITES BASED ONMETALLIC CLUSTER ASSEMBLED NETWORKS FORUNCONVENTIONAL DATA PROCESSING
… responsive to electrical, mechanical, and environmental stimuli. Multielectrode configurations were exploited to build environmentally sensitive reconfigurable logic gates, while deposition on paper substrates demonstrated the integration of sensing and bistable electrical response on a …
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Measuring and Manipulating Indices of Happiness and Unhappiness
… in different activities, and introduce environmental variables to assess the extent to which indices of happiness and unhappiness would change. Results showed that indices of happiness and unhappiness were able to be operationally defined, scored accurately, showed covariance with …
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Stop, Talk & Learn: socialization in a university open space
… to personal development and are affected by environmental stimuli. The purpose of this thesis is to document the design process of a project that has enhancement of socialization as the primary goal. This study includes a review of the existing literature to determine the design elements that …
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