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  • Multi-Technique Characterizations of Natural and Biomimetic Adhesives

    Creator:
    Fowler, James E.
    Abstract:
    There have been many attempts to characterize and mimic natural fluid-based adhesive systems. However, very few of these studies have examined surface or interfacial interactions between adhesive and substrate. Furthermore, until now no study has used a combination of surface analytical and kinematic techniques to determine the precise chemical mechanisms...
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    Dissertation
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    how the composition, order and relative orientation of adhesive molecules at functional interfaces

  • Functional polymers and proteins at interfaces

    Creator:
    Schilke, Karl F.
    Abstract:
    Functional polymers and proteins at interfaces and surfaces are of fundamental importance for biomaterials, biocatalysis and microreactor applications. Candida antarctica lipase B immobilized on poly-DL-tryptophan tethers showed 30x higher specific activity in aqueous and non-aqueous media than the same enzyme adsorbed or covalently bound directly to the surface. An excess...
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    Dissertation
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    presented on 30 November, 2009. Title: Functional Polymers and Proteins at Interfaces Abstract

  • Novel Approaches to Porous Material Discovery

    Creator:
    Sturluson, Arni
    Abstract:
    Uses for materials with a large surface area and high porosity have grown sig-nificantly in recent years. Porous materials have found usage in applications such as separation, gas storage, sensing, purification and more, prompting researchers to find and discover numerous new porous materials to suit a specific purpose. Hundreds of...
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    Dissertation
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    Porous Material Discovery Abstract approved: Cory M. Simon Uses for materials with a large surface

  • Functional materials for advanced energy and electronic devices

    Creator:
    Flynn, Brendan T.
    Abstract:
    Advances in energy technologies and electronics have typically occurred through either heightened performance or cost reduction. This dissertation explores both routes through a series of fundamental material studies that may contribute to the enabling of next generation devices. Solution based syntheses and deposition of chemical products offer a low cost...
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    Dissertation
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    materials were examined to gain a basic understanding of their material properties, which may enable

  • Continuous Flow Microwave-Assisted Synthesis as a Potentially Scalable Nanomanufacturing Approach

    Creator:
    Albuquerque, Gustavo Henrique T. C. de
    Abstract:
    The development of nanomaterials and the potential enhancement of their chemical, mechanical, electrical, and optical properties have led to the investigation of methods for their synthesis at lower cost with enhanced performance for next generation devices. Along with the pursuit of new materials that exhibit properties of interest, industry requires...
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    Dissertation
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    with the pursuit of new materials that exhibit properties of interest, industry requires scalable

  • Binding of bacterial lipopolysaccharide by the cationic amphiphilic peptide WLBU2 at interfaces

    Creator:
    Ryder, Matthew P.
    Abstract:
    Passage of blood through a sorbent device for removal of bacteria and endotoxin by specific binding with immobilized, membrane-active, bactericidal peptides holds promise for treating severe blood infections. Peptide insertion in the target membrane and stable binding is desirable, while membrane disruption and release of degradation products to the circulating...
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    Amphiphilic Peptide WLBU2 at Interfaces AN ABSTRACT OF THE DISSERTATION OF Matthew P

  • Problems of Shape and Information in Multiscale Modeling of Transport Phenomena

    Creator:
    Ostvar, Sassan
    Abstract:
    This work is a compilation of problems that deal with multiscale analysis of transport phenomena in environmental systems. A common feature among the problems studied here is the presence of non-negligible microscale structure in various forms. Each problem is approached from the perspective that a macroscopic observable encodes aspects of...
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    materials is the prevalence of phase interfaces and the constraints that they impose on motion. The

  • Predicting the Effect of Local Conditions on Metal-oxides: Pt/γ-Al₂O₃ Interface and Degradation of α-Cr₂O₃ Passive Film

    Creator:
    Oware Sarfo, Kofi
    Abstract:
    Metal-oxides are very important in industrial applications such as thermal barrier coatings, corrosion protection, and heterogeneous catalysis. The wide variety of applications for metal-oxides are derived from the array of properties of metal-oxides. It is, therefore, important to understand and predict the conditions of synthesis and operation to optimize the...
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    calculations of Pd/ZnO interface reported atomically flat interfaces of Zn and O termination of Pd/ZnO(0001

  • Characterization and Investigations of Thin-Film Materials with X-ray Photoelectron Spectroscopy

    Creator:
    Diulus, J. Trey
    Abstract:
    Surface characterization of materials is widely utilized over a range of disciplines and essential to the development of new materials, technology, or processes. Metal oxide nanoclusters have shown promise as potential new generation photoresist materials for extreme ultraviolet (EUV) nanolithography. Organotin clusters have been proposed as potential candidates for resist...
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    solid-gas interfaces. By studying the surface chemistry of a material one can assess the optical

  • Biological insertion of nanostructured germanium and titanium oxides into diatom biosilica

    Creator:
    Jeffryes, Clayton S.
    Abstract:
    There is significant interest in titanium oxide and germanium-silicon oxide nanocomposites for optoelectronic, photocatalytic, and solar cell applications. The ability of the marine diatom Pinnularia sp. to uptake soluble metal oxides from cell culture medium, and incorporate them into the micro- and nano-structure of their amorphous silica cell walls, called...
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    ............................................................................................... 73 Materials and Methods