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 1522 for “"nanoparticle"”.
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Nanoparticle-nanoparticle interactions and light-matter interaction studied by simulated absorption spectroscopy
… is one of the most important features of nanoparticles and other materials. Understanding plasmon interactions, plasmon-induced excitation energy transfer, and excited state dynamics of molecular plasmons are goals of this thesis. Utilizing efficient tight-binding calculations, the …
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Thermal Probes of Nanoparticle Interfaces: Thermodiffusion and Thermal Conductivity of Nanoparticle Suspensions
At T < 20°C, all nanoparticles studied in nearly pure water were found to migrate to the hot regions of the fluid; i.e., DT 50°C, the thermodiffusion coefficients were positive with a value consistent with the predictions of a theoretical model originally proposed by B. Derjaguin that is …
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Multiplexed nanoparticle-based immunoassays
… and luminescent properties of fluorophores and nanoparticles. Epi-fluorescence microscopy, confocal laser scanning microscopy and programmable array microscopy were used to detect signals from mixtures of conventional organic fluorophores, quantum dots and silica nanoparticles doped with …
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Dynamics of nanoparticle combustion
… heat transfer models currently used for burning nanoparticles may significantly overestimate heat losses during combustion. By applying conventional non-continuum heat transfer correlations to burning nano-aluminum particles, the observed peak temperatures, which greatly exceed the ambient …
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Composite Nanoparticle Materials for Electromagnetics
… The composite cores consist of one or more nanoparticle materials consolidated into a polymer or elastomer matrix material. Nanoparticles such as Carbon Nanosphere Chains, Carbon Nano Fibers and Superparamagnetic Iron Oxide nanoparticles were used to fabricate the cores. Superparamagnetic …
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Enhanced fluidization of nanoparticle agglomerates
Gas fluidization of nanoparticle agglomerates has recently received much attention due to the excellent way in which these novel nanornaterials can be dispersed in a gaseous medium. Nanopowders have a very high surface area to volume ratio which allows them have unique chemical and physical …
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Nanoparticle transport via holographic photopolymerization
… studies methods of engineering the placement of nanoparticle with sub-micron resolution over macroscopic size scales. Such control holds great promise as an inexpensive methodology for manufacturing devices, such as optical elements, with enhanced functionality and properties. Specifically, we …
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Nanoparticle effects on cell migration
It has been found that gold nanoparticles (Au NPs) are excellent materials for biological applications such as diagnosis and drug delivery, which makes it crucial to understand the interface between gold nanoparticles and cells. Previous work has shown that gold nanoparticles can affect cellular …
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Single-chain nanoparticle based catalysts
… efficient catalysis. Several single-chain nanoparticle (SCNP) catalysts have been developed to perform copper(I)-mediated alkyne–azide cycloaddition (CuAAC), “click” reactions, or the photoreduction of azido groups to amines. The nanoparticles are shown to have significantly higher activity …
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Granular Hydrogels for Localized Nanoparticle Delivery
… capable of stabilizing and releasing lipid nanoparticles (LNPs) encapsulating nucleic acids for topical application. The approach builds upon glutathione–poly(ethylene glycol) (GSH–PEG) hydrogels previously designed for protein and small-molecule delivery. This work is based on the …
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Progress toward a cloneable bismuth nanoparticle
… the Ackerson lab has developed a cloneable nanoparticles (cNPs) which is described as an inorganic particle enzymatic synthesized using a metal reducing enzymes. These electron dense nanoparticles serve as a contrast marker, enhancing the contrast between a protein of interest and the …
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Optothermal Characterization of Nanoparticle Infused Aerogels
Here, custom fabricated nanoparticle infused aerogels are presented as a potential material to achieve super insulating and transparent opto-thermal properties. By incorporating nanoparticle solutions within the silicon dioxide (SiO₂) aerogel during the sol-gel process, unique monolithic samples …
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Inorganic Nanoparticle Nucleation on Polymer Matrices
The introduction of inorganic nanoparticles into organic materials enhances both the mechanical and chemical properties of the material. Metallic nanoparticles, like silver and gold, have been introduced into polymers for use as antimicrobial coatings or dielectric materials, respectively. The …
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PHYSICAL CHEMISTRY OF COLLOIDAL-NANOPARTICLE INTERACTIONS
… in the design and characterization of engineered nanoparticles, biomaterials came into contact with the nano-world. Among many implementations of bio-nanotechnology, there is an increasing scientific and industrial interest in designing complex/hybrid structures (micro/macro) by merging the …
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Jet assisted fluidization of nanoparticle agglomerates
… operation used to disperse, handle and process nanoparticles, but due to the complications involved with achieving homogenous fluidization of the agglomerates of nanoparticles, several methods have been developed to assist their conventional mode of fluidization. In this work, the conventional …
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Nanoparticle Engineering of Colloidal Suspension Behavior
We investigate the effects of highly charged nanoparticles on the phase behavior, structure, and assembly of colloidal microsphere suspensions. Specifically, by selectively tuning the electrostatic interactions between silica microspheres and polystyrene nanoparticles, we study the behavior of four …
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Nanoparticle-coated polymeric microbubbles for revascularization
… cargos. Especially in biological applications, nanoparticles work as drug delivery carriers in recent decades due to their features on size and transport properties compared to drug molecules alone. Modification of nanoparticle surface, structure, and its fabrication methods has been done by …
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Stochastic modelling of silicon nanoparticle synthesis
… a new model to simulate the formation of silicon nanoparticles. Population balance modelling is used to model nanoparticle synthesis and a stochastic numerical method is used to solve the governing equations. The population balance models are coupled to chemical kinetic models and offer insight …
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Toward Cell-Specific Nanoparticle Delivery Systems
The targetable delivery of therapeutic nanoparticles remains a significant challenge in modern medicine, particularly due to the complexity, time, and expense involved in experimental design and optimization for cell-specific applications. To address this, NOCAP (Nanoparticle Optimization and Cell …
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Nanoparticle-chiral nematic liquid crystal composites
… created experimentally by combing magnetooptical nanoparticles with a chiral nematic liquid crystal. The fabrication of this material system was advanced through two distinct phases of research. The first phase seeks to produce magnetooptical yttrium iron garnet (YIG) nanoparticles with an average …
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