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 13 of 13 for “"gold nanomaterials"”.
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Implications of Shape Factors on Fate, Uptake, and Nanotoxicity of Gold Nanomaterials
Noble metal nanoparticles such as gold and silver are of interest because of the unique electro-optical properties (e.g., localized surface plasmon resonance [LSPR]) that originate from the collective behavior of their surface electrons. These nanoparticles are commonly developed and used for …
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Electromagnetic stimulation of a composite scaffold for wound healing
… matrix is quite difficult. In addition, gold nanomaterials have been studied for their ability to provide nanostructural cues for cell growth as well as their ability to interact with free radicals. Meanwhile, electromagnetic fields (EMFs) have been explored as an adjunct therapy for …
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Gold Nanomaterial–Biomolecule Interactions: Influence of Size, Gold Nanomaterial–Biomolecule Interactions: Influence of Size, Surface Chemistry, and Environment Surface Chemistry, and Environment
Gold nanomaterials have emerged as great candidates for biomedical applications because of their physicochemical properties and high biocompatibility. However, their performance strongly depends on their interactions with biomolecules and their stability under physiological environments. This …
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Gold nanorods: Applications in chemical sensing, biological imaging and effects on 3-dimensional tissue culture
Gold nanoparticles have attracted great interest in the last decade for applications in biochemical detection, imaging, and therapeutics, due to their useful optoelectronic properties. Interest in this area has recently focused on engineering the surface of the nanoparticles, because of the ease in …
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Investigating the impact of gold nanoparticles on cells: from transcription to behavior
Gold nanoparticles (Au NPs) are being research extensively for various biomedical applications; their applicability arises from a unique set of optical and physical properties brought on by their nanoscale dimensions.1 Furthermore, facile and scalable synthetic and surface functionalization …
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Fundamental research into gold nanocluster properties
Gold materials are popular for research into many applications with their interesting properties, such as magnetism, bio-inactivity, and other size-dependent properties. As the size of the gold material decreases from a bulk material to the nanoscale, new properties are introduced moving through …
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Harnessing the optical properties of gold nanorods: fluorescence enhancement, biosensing and photothermal therapy
… synthesis, characterization, and application of gold nanomaterials, especially gold nanorods. Due to their small size, ease of functionalization, and uniquely tunable optical properties, gold nanorods have potential application in solar cells, sensing, bioimaging, drug delivery, and cancer …
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Mapping plasmon excitations in gold nanostructures using electron energy loss spectroscopy
In this work we present the plasmonic properties of simulated and fabricated Au nanostructures using an electron beam as a source of excitation. The motivation for the this work comes from the applications of these nanostructures and the need to understand the physics behind them. We introduce the …
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Peroxidase-mimicking nanomaterials for the detection of mercury (II) ions in water matrices
… low-cost and naked-eye detection. However, nanomaterials suffer from poor stability in high electrolyte conditions therefore, most applications focus on low electrolyte water samples. This thesis focuses on the exploration and development of SPR and SERS-based colorimetric assays, which …
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Quantification of molecular-level events at nanoparticle-biological interfaces
Nanomaterials exhibit various interesting and fundamental properties that are distinctly different from their bulk or molecular scale counterpart. The fascinating size- and shape-dependent optical properties of gold nanoparticles, in particular, along with highly tunable sizes and shapes as well as …
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Gold nanostars: from catalytic and SERS properties to the development of smartphone-based and portable biosensing approaches for food contaminants
Gold nanoparticles have long been explored and used throughout history for many purposes, from decoration in ancient times to biomedical applications nowadays. Recent progress in the field of nanotechnology has enabled us to better understand these materials and provided necessary technological …
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Application of Adverse Outcome Pathway framework in assessing nanogold exposure to Daphnia magna
… is a promising field for future advancements. Nanomaterials (NMs) are regarded as materials where one dimension has a size range between 1- 100 nm, and they may occur in several different elemental cores and shapes with different surface coatings. The developmental of gold nanomaterials (nAu) …
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MoS2 on Gold: achieving extremely high exfoliation yield and optical contrast for Van der Waals monolayers
… materials. Molybdenum disulphide (MoS2) on gold (Au) is investigated in detail as it provides an extremely large exfoliation yield and a high optical contrast. These techniques are further explored with other VdWs and substrate materials. Further experimental work in electrically excited …