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 41 for “"solid-liquid interfaces"”.
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Nanoscale Thermal Transport at Solid -Liquid Interfaces
We also utilized the pump-probe transient absorption measurement to probe thermal transport in Au-core polymer-shell nanoparticles. The addition of an organic co-solvent to the suspension causes the polystyrene component of the polymer shell to swell and this change in the microstructure of the …
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Thermal Transport Across Nano Engineered Solid-Liquid Interfaces
<p> Liquid molecules located at the interfacial region behave differently than they do in the bulk. These interfacial liquid molecules play a very crucial role in heat transfer from solid to liquid, especially when the system dimension shrinks to the nanoscale range. Behavior of these interfacial …
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Molecular studies of peptides at solid-liquid interfaces
… and orientational aspects of peptides at solid surfaces:--Abstract, page iv.
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Insight into the structure and reactivity at solid-liquid interfaces
… and reactivity at the interface between liquid water and platinum at the atomic level. The first portion of the thesis deals with the background and theoretical methods involved in the research, before presenting calculations on the properties of Pt(111) as a catalytic surface, using …
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Microscopic Study of Solid-Liquid Interfaces During Melting and Freezing
Made available in DSpace on 2014-12-05T17:15:38Z (GMT). No. of bitstreams: 1 6202977.pdf: 5383752 bytes, checksum: 3a20aa633d1e61705dfd0570668b2775 (MD5) Previous issue date: 1962
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Nanoscale thermal transport through solid-solid and solid-liquid interfaces
… investigation of heat transport through solid- solid and solid-liquid interfaces. Heat transport is a process initiated by the presence of a thermal gradient. All interfaces offer resistance to heat flow in the form of temperature drop at the interface. In micro and nano scale devices, …
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Molecular adsorption at solid/liquid interfaces using self-assembled monolayer films
… by nanometer-level interactions present at solid/liquid interfaces. Properties of wetting, corrosion inhibition, and molecular recognition provide convenient examples. To investigate such interactions at the molecular level, self-assembled monolayers (SAMs) have been employed as a model …
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Characterization of catalytically active solid liquid interfaces by scanning electrochemical microscopy (SECM)
Die elektrochemische Rastermikroskopie wurde genutzt zur quantitativen Untersuchung von Biosensorkomponenten. Der Feedback Modus wurde eingesetzt, um Titannitrid Dünnschichtelektroden auf ihre mögliche Eignung als Elektrodenmaterial zu untersuchen. Es wurde nachgewiesen, dass eine vergrößerte …
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Effects of Immobilization Matrices and Protein Orientation on Biomolecular Recognition at Solid-Liquid Interfaces
We then investigated the dependence of protein orientation on the forces between immobilized proteins and soluble ligands. Oriented cytochrome b5 monolayers were constructed on supported lipid membranes using a site-selective immobilization method. The orientation of the immobilized cytochrome b5 …
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Effects of Immobilization Matrices and Protein Orientation on Biomolecular Recognition at Solid-Liquid Interfaces
… of the biomolecular interactions at the solid-liquid interfaces were examined with a combination of several physical techniques. The recognition between cytochrome b5 and cytochrome c was chosen as the model system to both identify and quantify the forces that originated from the …
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Charge Transfer at Thin-Film Modified Solid -Liquid Interfaces in the Absence of Redox-Active Moieties
… crossing the electrified monolayer modified solid-liquid interface in the absence of redox active moieties in the electrolyte is the first step in the development of such a label free methodology. An analytical method is presented in this dissertation that enables the quantitative analysis of …
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Charge transfer at thin-film modified solid-liquid interfaces in the absence of redox-active moieties
… properties at a biased monolayer modified solid-liquid interface. The variation in the electronic flux due to the different physical and chemical interactions occurring at the monolayer modified solid-liquid interface is measured by the change in impedance of the electrochemical system as a …
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Sum Frequency Generation Spectroscopy of Imidazolium-based Ionic Liquids with Cyano-functionalized Anions at Gas-Liquid and Solid-Liquid Interfaces
… accurate molecular level description of ionic liquids (ILs) at the gas-liquid interface is of utmost importance. The inherently surface-sensitive technique, sum frequency generation (SFG) spectroscopy, in combination with bulk-sensitive vibrational spectroscopic techniques such as FTIR and …
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Ions and the calcite-water (10.4) interface - investigated with three-dimensional atomic force microscopy
Solid-liquid interfaces are omnipresent in environmental and technological systems. In this regard, interfacial solvation structures exert a decisive impact on the interface properties and reactivities. The hydration structure of the calcite-water interface has been widely studied due to its …
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Environmental tuning of the reactivity of molecules confined to polarized interfaces
… of molecular catalysts to polarized interfaces provides an appealing approach to the design of more efficient and selective electrochemical devices. The well-defined nature of molecular catalysts renders them amenable to synthetic tuning to unravel structure-function relationships. …
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Exploring heat transfer at the atomistic level for thermal energy conversion and management
… thermal transport across single and multiple interfaces via the atomistic Green's function method, especially the impact of interface roughness on phonon transmission across a single interface and coherent phonon transport in superlattices. Both the DFT and Green's function techniques provide …
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Magnetic Resonance at Electrified Interfaces: Study of Carbon Monoxide on Platinum
… A comparison of results for CO on Pt at the gas/solid and solid/liquid interfaces are done. Furthermore, the improvement of the NMRE cell, which allows for simultaneous voltammetries and NMR measurements to be demonstrated by obtaining data for potential dependent chemical shifts of CO on …
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Polymer dynamics and fluctuations probed with fluorescence methods
… physics - chain structure and dynamics at solid-liquid interfaces and confined geometries, respectively. The role of polymer dynamics and fluctuations on the topological confinement formed by entanglement strands in a polymer solution, as experienced by a particle of comparable size is also …
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An experimental study of nanobubbles on hydrophobic surfaces
… the hydrodynamic boundary condition at the fluid-solid interface giving rise to considerable reduction in friction of the fluid flow past the solid boundaries. In this study, we seek to increase our understanding of the formation, morphology, and stability of nanobubbles. Further. we seek to …
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Technical and economic feasibility of a high-temperature self-assembling battery
… current rate is constrained by at least one solid phase, the novel three-layer liquid-phase electrode-electrolyte-electrode cell facilitates high diffusivity and facile interfacial kinetics, which results in rapid ion transport and low activation overpotential. In addition to the extremely …
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