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 158 for “"Nanoscience and Nanotechnology"”.
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Infrared detectors based on two-dimensional materials and heterostructures
… tools with unprecedented functionality and energy efficiency. Two-dimensional (2D) materials, a family of nanomaterials with atomic thickness, promise an ideal platform for nanoscience and nanotechnology research on which we are able to engineer functional structures and study their …
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Commercialization of nanotechnologies
Nanotechnology, which involves creating and manipulating organic and inorganic matter from the molecular to the nanoscale level, is an emerging, enabling technology that is receiving enormous amounts of attention in industrial and scientific communities. It is an umbrella term for a wide range of …
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Quantitative mapping of nanothermal transport via Scanning Thermal Microscopy
By expanding the limit of miniaturisation to achieve superior materials and devices properties, nanoscience and nanotechnology create new challenges to understand materials behaviour at the nanometre length scales. New phenomena require matching tools that in turn open new investigation …
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Vibrational Imaging at the Nanoscale: Surpassing the Diffraction Limit Using Tip-Enhanced Raman Spectroscopy
A deep understanding of the chemical composition of surfaces, interfaces or nanoscale structure with a high spatial resolution is an important goal in nanoscience and nanotechnology. Structural information can be collected using a variety of high spatial resolution techniques such as atomic force …
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Hybrid Devices Based On Graphene And Related Materials For Wearable (Opto)Electronics
… unprecedented levels of innovation in power loom and spinning frame techniques. With the current competitive global ingenuity in nanoscience and nanotechnology and its implication in textile industry, wearable electronics seems to be the next promising trend in this giant market (25.19 billion US …
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Luminescent nanofluids based on perovskite materials and nanodiamonds
Nanoscience and nanotechnology have emerged as transformative fields, offering unprecedented opportunities to address complex challenges in different applications, such as biomedicine. The nanomaterials used for biomedical applications have to meet several requirements to ensure their …
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Pamam dendrimer-based therapeutic and diagnostic nanodevices
… field of nanomedicine. Their nanoscale size and high density of functional groups on their peripheries allow them to be used for various biomedical applications. This work exploits dendrimers as drug delivery vehicles and a versatile platform for capturing biomarkers with improved sensitivity …
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Silica nanoparticles as vehicles for therapy delivery in neurological injury
… in models of multiple sclerosis (MS) and some clinical research, acrolein levels are significantly increased. This aldehyde overwhelms the natural anti-oxidant system, reacts freely with proteins, and releases during lipid peroxidation (LPO), effectively regenerating its self. Due to …
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The Synthesis and Host-Guest Applications of Synthetic Receptor Molecules
… been synthesized to bind negative, positive, and neutral molecules such as proteins and enzymes, and have been used as optical sensors, electrochemical sensors, supramolecular catalysts, and in the pharmaceutical industry as anti-cancer agents.1 The field of nanoscience has exploited …
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Geometry Dependent Plasmonic Activities of a Self-assembled Hexagonal Lattice and a Periodic Hexagonal Lattice with Gold Nanopillars
… play a crucial role in the emerging field of nanotechnology because they overcome the diffraction limitation. Plasmonic activities in metal nanostructures have the ability to scatter and absorb light at nanometer dimensions. There are several types of nanofabrication techniques that can make …
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Novel techniques for quasi three-dimensional nanofabrication of Transformation Optics devices
… Optics. This field involves transforming and manipulating the optical space through which light propagates. Arbitrarily manipulating the optical space requires advanced fabrication techniques, which are not possible with current two-dimensional fabrication technologies. One step toward …
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Electrocatalysis In Li-S Batteries
… have been used as host structures for sulfur and its intermediate polysulfides, the week adsorption of polysulfides on carbon surface and its poor reaction kinetics limits them from practical application. Here, we preset a novel ‘electcatalysis’ approach to stabilize polysulfide shuttle …
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Design and analysis of solar cells by coupled electrical - optical simulation
<p>Careful electrical design and optical design are both crucial for achieving high-efficiency solar cells. It is common to link these two aspects serially; the optical design is first done to minimize reflection and maximize light trapping, and then the resulting optical generation rate is input …
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Structural characterization of multimetallic nanoparticles
<p>Bimetallic and trimetallic alloy nanoparticles have enhanced catalytic activities due to their unique structural properties. Using <em>in situ</em> time-resolved synchrotron based x-ray diffraction, we investigated the structural properties of nanoscale catalysts undergoing various heat …
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Electrodeposition of High Magnetostrictive Cobalt Iron Alloy Films for Smart Tags and Sensor Applications
… while controlling the film stoichiometry and crystallography. In current research looking at CoFe, improved magnetostriction was achieved using a co-sputtering, annealing, and quenching method1. Other current research has reported electrodeposited CoFe films using a sulfate based chemistry …
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THE EFFECT OF RELATIVE ELECTRODE SIZE ON THE PERFORMANCE OF A SUPERCAPACITIVE MICROBIAL FUEL CELL DESIGN
… microbial fuel cells with various anode and cathode dimensions were investigated in order to determine the effect on capacitance and delivered power quality. The cathode size was determined to be the limiting component of the system, while anode size showed little effect on the devices …
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Nano-engineered polymers in drug delivery: Potential approaches for attenuation of secondary injury after spinal cord trauma
… events after the primary spinal cord trauma and even after its implantation treatment for neural functional recovery. These secondary injuries include an up-regulation of glial cells associated reactive oxygen species, nitrogen species, and reactive astrogliosis, and they can result in …
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Development of a static bioactive stent prototype and dynamic aneurysm-on-a-chip(TM) model for the treatment of aneurysms
… outside blood vessel walls forming dilatations and leaving arterial walls very prone to rupture. Current treatments include: (1) clipping, and (2) coil embolization, including stent-assisted coiling. While these procedures can be effective, it would be advantageous to design a biologically …
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Investigations of carbon nanotube catalyst morphology and behavior with transmission electron microscopy
… applications due to their desirable mechanical and electronic properties, which can both vary based on their structure. Electronic applications for CNTs are still few and not widely available, mainly due to the difficulty in the control of fabrication. Carbon nanotubes are grown in batches, but …
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