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 14 of 14 for “"Nanoscale Transport"”.
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Nanoscale transport simulation of ion channels
… device engineers seeking to understand how such nanoscale systems realize device-like functions. This work is a study of such biological ion channels in terms of ion permeation and selectivity. The approach taken is based on transport Monte Carlo method. We have used BioMOCA, a three-dimensional …
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Molecular Simulation Of Nanoscale Transport Phenomena
Interest in nanoscale heat and mass transport has been augmented through current trends in nanotechnology research. The theme of this dissertation is to characterize electric charge, mass and thermal transport at the nanoscale using a fundamental molecular simulation method, namely molecular …
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Nanoscale Transport of Multicomponent Fluids in Shales
… due to the limited understanding of CO2-oil transport mechanisms in these systems. This dissertation addresses these challenges using molecular dynamics (MD) simulations by investigating the gas and oil transport behaviors and properties within single nanopores under reservoir conditions. The …
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Modeling nanoscale transport phenomena: Implications for the continuum
Transport phenomena at the nanoscale can differ from that at the continuum because the large surface area to volume ratio significantly influences material properties. While the modeling of many such transport processes have been reported in the literature, a few examples exist that integrate …
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Multiscale Modeling of Electronic Polarization Effects in Interfacial Thermodynamics and Nanoscale Transport Phenomena
… mechanistic insights about the thermodynamic and transport properties of electrolytes at solid/water interfaces, which has broad applications in several scientific disciplines ranging from membrane science to biophysics and electrochemistry. At any solid/water interface, water being a polar …
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Exploring electron and phonon transport at the nanoscale for thermoelectric energy conversion
… these advances, much remains unknown about heat transport in these materials, and further efficiency improvements will require a detailed understanding of how the heat carriers, electrons and phonons, are affected by nanostructures. To elucidate these processes, in this thesis we investigate …
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Artificial muscle morphology : structure/property relationships in polypyrrole actuators
… and exploiting the connection between nanoscale transport events and macroscale active strain. To this end we have used diffraction and electron microscopy to investigate the microstructure of polypyrrole. and propose a new description consisting of disordered polypyrrole chains held …
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Multiphysics Transport in Heterogeneous Media: from Pore-Scale Modeling to Deep Learning
Transport phenomena in heterogeneous media play a crucial role in numerous engineering applications such as hydrocarbon recovery from shales and material processing. Understanding and predicting these phenomena is critical for the success of these applications. In this dissertation, nanoscale …
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Ion transport in multilayer solid-state nanopores for memory and biosensing applications
… emerged as powerful platforms for investigating nanoscale transport phenomena and single-molecule sensing, owing to their structural robustness, chemical stability, and ability to simultaneously probe ionic and in-plane currents during biomolecule translocation. This dissertation presents a …
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Characterization and cooperative dynamics of kinesin motor proteins in intracellular transport
Intracellular transport is typically carried out by teams of motor proteins rather than by isolated molecules, yet the rules governing multi-motor coordination remain poorly understood because motor number, spacing, and composition are difficult to control experimentally. In this dissertation, I …
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Ion flow and membrane tension studies with optical tweezers and nanopipettes
… combined to study the effect of salt species on nanoscale voltage driven flows, the mechanical behaviour of cell membranes, and the electrical activity from various cells. Voltage driven, or electroosmotic, flow was quantified by measuring the piconewton forces of the flow field outside …
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Surface characterization of self-assembled monolayers for applications of selective ionic transport through nanoporous membranes
… interactions under an applied electric field. Transport processes include those of colloids and other charged particles in electrolytes, whose motion under applied external electric fields is described in part by fluid mechanics. In particular, there is growing interest for the application of …
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Patterning planar surfaces with motor proteins: Towards spatial control over motile microtubules
… in nanotechnology is the spatially controlled transport of cargo on the nanometer scale. The use of a nanoscale transport system based on molecular motors and filaments of the cytoskeleton proved as a promising approach to this problem. Therefore, the objective of this work was to pattern …
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Nanoscale thermal transport for biological and physical applications
… and overcomes challenges for many thermal transport applications. Yet, it requires a more fundamental scientific understanding of nanoscale transport. This thesis emphasizes how simulation, mathematical, and numerical methods can lead to more grounded studies of nanoscale thermal transport …