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 116 for “"Adaptive response."”.
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Migration as an adaptive response to ethnic nationalism in Russia
In this paper, I argue that migration responses to push factors differ along ethnic lines. I examine this hypothesis using panel survey data from the Russia Longitudinal Monitoring Survey, census data, and regional-level political data from Russia. I hypothesize that nationalist political parties …
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Structural Optimization of Bell Crank using Adaptive Response Surface Optimization
… A potential avenue explored in this study is the adaptive response surface optimization process. The adaptive response surface optimization method involves the adaptive control of samples selected through the design of experiments and empirical models constructed via the response surface …
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A systems approach to uncovering the adaptive response of cancer to targeted therapies
… an unintuitive boost in signaling and growth in response to low inhibitor concentrations, suggestive of a cellular mechanism that is adaptive to driver kinase inhibition. Studies of EML4-ALK driven H3122 cells showed that this short-term response is not the same as the known long-term resistance …
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REGULATORY MECHANISMS OF SLC39A4 (ZIP4) AND SLC39A5 (ZIP5) IN THE ADAPTIVE RESPONSE TO ZINC AVAILABILITY
… to determine how Zip4 and Zip5 are regulated in response to zinc availability and how Zip4 impacts development. Loss of Zip4 resulted in embryonic lethality. Heterozygosity negatively affected eye, heart, and brain development. Excess zinc did not rescue lethality but ameliorated the heterozygous …
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The Effects of Mitochondria-targeted Antioxidant Supplementation on the Adaptive Response to Exercise, Athletic Performance, and Recovery
… antioxidant supplementation on the adaptive response to exercise in skeletal muscle, athletic performance, and recovery have not been investigated. Chapter 3 investigated the effect of MitoQ supplementation on 1) the acute exerciseinduced cell signalling response in skeletal muscle …
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PD-1 AND PD-1 LIGAND REGULATION OF NATURAL ANTIBODY SPECIFICITIES AND THE ADAPTIVE RESPONSE TO PNEUMOCOCCAL POLYSACCHARIDES
… the regulation of natural Ab production and also adaptive Ab responses to T cell-independent type 2 (TI-2) antigens (Ag).
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An appraisal of experiences of climate change and adaptive response to heat stress by farmers in rural Ghana
… stress on smallholder farmers, as well as their responses to heat stress and the barriers to adaptation they face. The study used qualitative and quantitative research approaches, including survey questionnaires, focus groups discussions, policy reviews and measurements of environmental heat …
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The adaptive response of humans to exercise: Impact of exercise intensity, fibre-type specific responses and molecular patterns of response
… to improve the current understanding of the adaptive response to exercise in humans, this dissertation performed a series of studies designed to examine the impact of training intensity and mode on aerobic capacity and performance, fibre-type specific adaptations to training, and individual …
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Chromatophore tissue density and skeletal density banding as a measure of the adaptive response of healthy corals to environmental change
Chromatophores, pigment-bearing cells within the ectodermal layer of hermatypic scleractinian coral tissues, are postulated to enhance the photosynthetic activity of zooxanthellae symbionts and possibly protect the coral animal from harmful ultraviolet (UV) radiation. Yet connections have not …
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Participative water demand management as an adaptive response within complex socio-institutional systems: a case study of Cape Town, South Africa
Worldwide adaptive strategies are being developed to address water insecurity. The current path of water resource management is not sustainable in the long-term, which requires the investigation of improved and adapted strategies. However, adaptation theory is proving difficult to implement. A …
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The versatile E. coli adaptive response protein AlkB mitigates toxicity and mutagenicity of etheno-, ethano-, and methyl-modified bases in vivo
… to alkylating agents as part of the Ada-mediated adaptive response. This member of the ac-ketoglutarate/iron(II)-dependent dioxygenase family was originally discovered to reverse directly methylated lesions formed preferentially in single-stranded regions of DNA, such as 1-methyladenine and 3- …
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A functional genomics approach: Characterisation of two Non-ribosomal peptide synthetase genes, and investigation of an adaptive response towards alkylating DNA damage in Aspergillus fumigatus.
… 0.25 μg/ml) (p < 0.01) compared to wild-type. An adaptive response to alkylating agents (e.g. N-methyl-N′-nitro-N-nitrosoguanidine (MNNG)) was identified in A. fumigatus. Afmpt is a transcriptional regulator for this response, and exposure to MNNG causes up-regulation of Afmpt and Afagt, an …
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Investigation of an optimalising controller
… describing function techniques, the steady-state response of the control system is predicted and the results are shown to be in good agreement with the experimental results. The adaptive response of the system is investigated and it is shown that the bandwidth of the adaptive response maybe …
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Correlates of Denial: Exploring the Function of Denial Among Men Who Commit Sexual Offences Against Children
… to an increased risk to reoffend or as an adaptive response in an adversarial environment. To better understand how and when denial may be related to risk, its function must first be understood. The current study examined the association between denial and factors indicating denial as a …
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Repetitive DNA sequences in maize: Possible roles in plant adaptation and transient gene expression
… in maize have been observed as a result of adaptive response. The knob DNA sequence has been reported to contribute 16% of this variation. Other DNA sequences involved in genome size variation due to adaptive response have yet to be identified. To isolate and identify such sequences, genomic …
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The Role of High Saturated Fatty Acid Diets on Skeletal Muscle Metabolism and Inflammation
… to examine the relationship between metabolic adaptive response to 5 days of high SFA feeding, independent of positive energy balance, and diet-induced agonism of pro-inflammatory pathways. A secondary aim was to determine if the metabolic adaptive response in skeletal muscle to a single, high …
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Expression of Cytosolic and Mitochondrial Superoxide Dismutases: Their Role in the Chemoresistance of Malignant Melanoma
… are able to modulate antioxidant defenses as an adaptive response. By upregulating Mn-SOD without commensurate increase in catalase activities, an imbalance in oxidant processing occurs. This imbalance in the antioxidant defense system results in accumulation of peroxides, which can act as …
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Cellular Responses to Short-Term Mechanical Loading: Relative Involvement of Osteoblasts, Pre-Osteoblasts, and Osteoprogenitor Cells
… the cellular mechanisms underlying this response remain unclear. This investigation applied in vivo and in vitro methodologies to examine the responses of three stages of the osteoblast lineage (osteogenic colony forming unit (CFU-O), pre-osteoblast, and osteoblast) to short-term, …
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