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 52 for “"hybrid material"”.
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Controlled Hybrid Material Synthesis using Synthetic Biology
The concept of creating a hybrid material is motivated by the development of an improved product with acquired properties by amalgamation of components with specific desirable traits. These new attributes can range from improvements upon existing properties, such as strength and durability, to the …
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Processing of Intrinsic Microporous Polymer for Protective Textiles and Molecular/Atomic Layer Deposition for Organic and Hybrid Material Synthesis.
North Carolina State University Theses Chemical Engineering.
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INJECTABLE HYBRID HYDROGELS FOR LOCAL CHEMOTHERAPY OR TUMOR-SPECIFIC RESECTION
… against cancer. The purpose is to have a material that can target directly the tumoral environment, avoiding the toxicity to surrounded organs and enhancing the local pharmacological activity. Moreover, the use of a polymeric material, that can serve as a scaffold to deliver nanoparticles …
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Poly(ionic liquid) stabilizers and new synthetic approaches
… parts that include synthesis and application of hybrid material composed of PIL and cellulose nanofibers (CNFs), thiazolium-containing PILs, and main-chain imidazolium-type PILs. In the first chapter, a vinylimidazolium-type IL was polymerized in water in the presence of CNFs resulting in the in …
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Spray deposition of cork reinforced polyester
… and employed in manufacturing parts from a hybrid material composed of granulated cork, chopped glass strand, and a polyester matrix. The material was tested for tensile and flexural properties following relevant ASTM standards. The material was found to have a tensile strength of 4.4 MPa …
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Characterisation of Silsesquioxane-Poly(Methyl Methacrylate) blends
Silsesquioxanes are a novel hybrid material that have advantageous properties intermediate of polymers and ceramics, due to their inorganic-organic molecular structure. Current research has focused on the potential of this hybrid to enhance conventional materials. Through the incorporation of …
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Design of Iron Oxide-Flavin Nanocomposite Bacterial Cellulose Hydrogels
In this work, a hybrid material based on bacterial cellulose (BC) hydrogels and magnetic photocatalysts was developed. Cellulose is capable of coordinating to metal oxides such as magnetic iron oxide nanoparticles (IONPs). When IONPs are coupled to flavins, naturally occurring photoactive …
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Homeliness and Worldliness: Materiality and the Making of New Netherland, 1609-1740
… Through a careful analysis of objects of material culture and depictions of material culture I focus on how the colony was physically constructed and ideologically imagined internally by the colonists and externally by other interested parties throughout Atlantic world. My research on the …
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Towards greener stationary phases : thermoresponsive and carbonaceous chromatographic supports
… electrical stimuli are termed as ‘intelligent materials’ and are widely used in medical and engineering applications. Presently, polymers which can undergo a physical change when heat is applied at a certain temperature (cloud point) in water are well-studied for this property in areas of …
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Probing cell membrane dynamics using plasmon coupling microscopy
… mammalian cells is depicted as a two-dimensional hybrid material which is compartmentalized into submicron-sized domains. These membrane domains play a pivotal role in cellular signaling processes due to selective recruitment of specific cell surface receptors. The structural dynamics of the …
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Hybrid Two Dimensional Quantum Devices
<p>This thesis describes measurements on hybrid material systems involving two dimensional (2D) materials and phenomena along with the development of a small, hermetically sealed cell. The hermetic cell is designed to assist with analyzing sensitive 2D materials outside of an inert environment. …
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Synthesis of anion exchange/activated carbon fiber hybrid materials for aqueous adsorption of toxic hexavalent chromium
… for rapid, selective removal of Cr(VI), a unique hybrid activated carbon/anion exchange system (HACAX) has been developed for the first time in our group. HACAX was synthesized by methylation of PAN based Chemically Activated Carbon Fibers. The HACAX was characterized by BET, SEM, XPS,TGA and …
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Investigation of layer-by-layer assembly and M13 bacteriophage nanowires for dye-sensitized solar cells
… exist, including the ability to enhance the materials interface and improve the control required in development of nanoscale materials. Layer-by-layer (LbL) assembly allows for the incorporation of a wide range of functional materials into structured thin films based on the alternate …
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The performance of nitinol shape memory alloy actuators embedded in thermoplastic composite material systems
Intelligent materials are a class of material systems usually consisting of a composite or hybrid material system with fibrous or distributed actuators, various sensors and a control system. One type of actuator being developed for intelligent material systems is made of nitinol or shape memory …
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Structure/property behavior of inorganic/organic sol-gel derived hybrid materials
A novel class of inorganic/ organic hybrid materials referred to as CERAMERs have been successfully prepared by a sol-gel process using a polymeric acid catalyst, poly(styrene sulfonic acid), to form a network from tetraethylorthosilicate (TEOS) and triethoxysilane end capped oligomers of poly( …
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Physical properties and design of light-emitting devices based on organic materials and nanoparticles
… and colloidal quantum dots (QDs). This hybrid material system has several advantages over crystalline semiconductor technology; first, it is compatible with inexpensive fabrication methods such as solution processing and roll-to-roll deposition; second, hybrid devices can be fabricated …
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Physical properties and design of light-emitting devices based on organic materials and nanoparticles
… and colloidal quantum dots (QDs). This hybrid material system has several advantages over crystalline semiconductor technology; first, it is compatible with inexpensive fabrication methods such as solution processing and roll-to-roll deposition; second, hybrid devices can be fabricated …
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Organic-inorganic hybrid materials for arsenic adsorption : surface complexation and intraparticle diffusion
… that have been developed, organic-inorganic hybrid materials are promising candidates due to the merits of their high arsenic affinity of the selected inorganic portion and high designability and moldability of the organic portion. Currently, the most successful organic-inorganic hybrid …
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Self-Assembly of Surface-modified Clays for Functional Biomimetic Materials
… a simple approach to fabricate polymer-clay hybrid films via a water-evaporation process. In this third method, Laponite platelets were bridged by natural abundant polymers (carboxymethyl cellulose) through hydrogen bonding. This hybrid material possesses high transparency, flexibility and an …
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The Mechanics of Layered Foam
… of the mechanical response of layered and hybrid foam structures, such as the sandwich beam, and protective plates comprising foamed and solid materials. These materials may find applications ranging from critical structural members in aircraft wings and hulls of ships, to the packaging …
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