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.
Results
Showing 1 to 20 of 24 for “"energy depletion"”.
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The role of TOR in regulation of Arabidopsis circadian oscillators
… and external cues, including metabolites. Energy limitation lengthens the free-running circadian period of Arabidopsis, which can be restored by exogenous sugar application. The energy-sensing kinase SUCROSE NON-FERMENTING RELATED KINASE 1 (SnRK1) signals energy depletion to circadian …
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Overwintering biology of the brown marmorated stink bug, Halyomorpha halys (Hemiptera: Pentatomidae)
… stressors - low temperatures, desiccation, and energy depletion - in addition to investigating the role of lab-induced diapause in enhancing stress tolerance. Overwintering H. halys depress their supercooling point to -15.4 °C and LT50 to -17.5 °C after acute (1 h) exposure, however they do not …
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Studies of Spectral Modification in Intense Laser Pulse-Plasma Interactions
… plasma undergo spectral broadening through local energy exchange with driven plasma waves. During propagation, a high power laser pulse drives large amplitude plasma waves, depleting the pulse energy. At the same time, the large amplitude plasma wave provides a dynamic dielectric response that …
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Transit usage and urban form : lessons for transit reliant neighborhoods
… revealed themselves in the form of urban sprawl, energy depletion, air and noise pollution, climate change, road fatalities, and segregation of people by class and race. For the sake of social equity and sustainability, it is thus important to increase reliance on transit services. However, merely …
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Improving the Efficacy and Expanding the Application of NQO1-Bioactivated Therapeutics
… results in devastating oxidative DNA damage and energy depletion in the form of ATP, NAD(H) and NADP(H) loss specifically in tumor cells. However, ß-lap suffers from inherent limitations shared by quinone therapeutics, most notably methemoglobinemia at high doses caused by non-specific oxidation …
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Spatial modelling and analysis of wireless ad-hoc and sensor networks: an energy perspective
… show the proposed scheme can yield 8-28% energy savings depending on the compression ratio. In the second part of the dissertation we investigate the use of proactive multipath routing in ad hoc wireless networks. The focus is on optimizing tradeoffs between the increased energy cost …
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CRSN Energy-Efficient Mechanism Based on Dynamic Spectrum Access and Asynchronous Sleep-Wake Scheduling
… poor Quality of Service (QoS), and high energy consumption. These challenges are mainly inherited from both the Cognitive Radio (CR) and the WSN. In particular, the high energy consumption is due to wireless nodes performing channel sensing and switching, data transmission and …
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Cellular Mechanism of High Glucose/Palmitate-induced INS-1 Beta Cell Death
… Fatty (OLETF) rats. These works suggest that energy depletion, by shortage of Krebs intermediates, may play a critical role for HG/PA-induced beta cell death.
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IN VITRO LUNG EPITHELIAL CELL TRANSPORT AND ANTI-INFLAMMATORY ACTIVITY FOR LIPOSOMAL CIPROFLOXACIN
… saturation. Its unaltered transport by cellular energy depletion, transport inhibition by a reduced temperature (4 oC) and endocytosis/lipid fusion inhibitors, filipin and LysoPC, and increased transport by excess empty liposomes collectively suggested cell energy-independent, lipid bilayer …
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Energy Stress Causes Chaperones to Assemble Into Cytoplasmic Complexes
… of the chaperones. One hypothesis is that energy depletion is hampering the ability of certain proteins to be anchored into the membrane post-translationally, exposing hydrophobic residues prone to aggregation. By performing the glucose v deprivation in the presence of cycloheximide, a …
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To Shift or Not To Shift: Maximizing the Efficiency of a Wireless Sensor Network Using Multiple Sinks
<p>Energy efficiency is a vital part of wireless sensor networks (WSN). Using correct techniques, we can improve the overall data throughput of the network and, at the same time, cut down the cost of running it. The efficient utilization of the life of the sensor node in a WSN is a critical …
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Bax-mediated coordination of cognate organelle cell death signaling cascades determines cell death phenotype after trauma in the neonatal rat cortex
… locales in response to oxidative stress and energy depletion injury paradigms were investigated in in vitro and in vivo neonatal cortical models.\r\n\r\nIn vivo, hypoxia-ischemia (HI) induces a distinct subcellular time course for Bax in the neonatal cortex, localizing first to the nucleus, …
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Energy aware network coding in wireless networks
Energy is one of the most important considerations in designing reliable low-power wireless communication networks. We focus on the problem of energy aware network coding. In particular, we investigate practical energy efficient network code design for wireless body area networks (WBAN). We first …
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The Role of Adenosine Signaling In Mature Erythrocytes and Erythroid Progenitors
… is highly induced particularly under hypoxia or energy depletion conditions. Adenosine functions as a critical ligand, after binding to membrane-associated adenosine receptors, adenosine initiates a downstream signaling cascade and subsequently contributes to functions of nervous system, immune …
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Molecular Mechanisms of Physalia Physalis Venom Modulation of Cardiac and Vascular Functions
… with a large calcium influx may result in energy depletion, hence, inhibition of the Na+, K+-pump. The increased calcium influx of the cultured heart cells appears to be highly correlated with an increased efflux of rubidium. Stimulation of calcium-dependent potassium channels is an …
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High Performance Communication Framework for Mobile Sinks Wireless Sensor Networks
… sensor networks as it is the main source for energy depletion. Improved network lifetime is a fundamental challenge of wireless sensor networks. Many researchers have proposed using mobile sinks as one possible solution to improve the lifetime of wireless sensor networks. The reason is that …
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Effects of magnesium and calcium upon excitation-contraction coupling in the heart
… under normal conditions and under conditions of energy depletion. It was found that the basal free intracellular Mg 2 concentration in these cells was approximately 0.5 mM and that mitochondrial inhibition resulted in rapid increases in intracellular free Mg 2 concentration which were associated …
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Troubleshooting interactive complexity bugs
… that cause unresponsive behavior including energy depletion, antenna damage, radio disconnection, system crashes, and anomalous reboots. To the best of our knowledge, we are the first to present a diagnostic tool that uses power measurements to diagnose sensor system failures remotely.
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Modeling and communicating the dynamics of energy market
… on related topics with keywords such as "energy resources" or "energy depletion". I started to investigate the relationship between the phase-plot of worldwide oil production (1965-2014) and its price. My idea was that the laws regulating the convective intensity and the oil production on …
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Immersed Interface Adaptive Mesh Refinement Methods for Lithium-ion Battery Simulations
With growing concerns over energy depletion and increasing global carbon dioxide emissions, many national governments have announced commitments to phase out internal combustion engine vehicles by 2040 [3, 4]. This transition highlights the critical and urgent need for advancements in battery …
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