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 36 for “"Bio-sensing."”.
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Nanomaterials for Biological Applications: Drug Delivery and Bio-sensing
<p>The idea of utilizing nanomaterials in bio-related applications has been extensively practiced during the recent decades. Magnetic nanoparticles (MPs), especially superparamagnetic iron oxide nanoparticles have been demonstrated as promising candidates for biomedicine. A protective coating …
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Exploring transition metal chalcogenides for bio sensing and environmental remediation
… including energy storage, energy conversion, and biosensing. The state-of-the-art noble metal-based electrocatalysts have long been used in full water splitting, non-enzymatic glucose sensing, and supercapacitors. However, scarcity and high cost of noble metals restrict utilization of such …
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Development of optical bio-sensing methods for detection of toxins produced by algae.
The main aim of this work is to develop an optical method for the detection of microcystin-LR, one of the most dangerous toxins released by cyanobacteria. Photosynthetic cyanobacteria (also known as blue-green algae) exist in any type of water (including drinking water) and possess a serious threat …
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Modeling and control of quartz crystal operated in liquid for bio-sensing application
… they find application in many different areas. Biosensors are an increasingly important technology in the detection of compounds ranging from pesticides to biological weapons. Typically, biosensors consist of a biological macromolecule that is immobilized on the surface of a signal transducer. …
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Towards paper-based micro bio-sensing of biomarker anti-mycolic acid antibodies for TB diagnosis
… chicken antibodies (gallibodies) as the labelled bio-recognition element. Casein hydrolysate was newly applied as a blocker in enzyme-immuno assay (EIA) to characterise the functionality of the gallibodies in order to circumvent import restrictions on bovine milk products. MA dissolved in hexane …
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Analysis of physical mechanisms for the detection of DNA in carbon nanotube field effect transistors for bio-sensing applications
This thesis discusses the use of carbon nanotube field effect transistors as sensors for DNA. It proposes a band-gap modulation as the underlying physical mechanism by which detection occurs. Previous works have established that either Schottky--barrier modulation or electro--static gating are the …
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Methods of cellular integration and techniques for improving encapsulated cell viability for the purpose of developing living materials and cell based bio-sensing materials
… with high levels of specificity and accuracy. A biotic or living material would allow the development of simple, hand held devices that could be utilized for many applications including industrial process monitoring, environmental remediation, military and defense applications and drug delivery. …
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Optical Resonators and Fiber Tapers as Transducers for Detection of Nanoparticles and Bio-Molecules
<p>In recent years, detection of biological interactions on single molecule level has aspired many researchers to investigate several optical, chemical, electrical and mechanical sensing tools. Among these tools, toroidal optical resonators lead the way in detection of the smallest …
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Exploring the Biocybernetic loop: Classifying Psychophysiological Responses to Cultural Artefacts using Physiological Computing
The aim of this research project was to provide a bio-sensing component for a real-time adaptive technology in the context of cultural heritage. The proposed system was designed to infer the interest or intention of the user and to augment elements of the cultural heritage experience interactively …
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Integrated optical fluorescence multi-sensor system
… integrated optical immunoassay multisensing systems has gained growing interest in the last ten years. This is because the systems have the potential to simultaneously detect multiple analytes in a single measurement, and the techniques involved are fast, robust and cost-effective. …
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Study of Phospholipid/Graphene interfaces and the effect of substrate curvature on lipid morphology and dynamics.
… are widely used as model platforms to study biological processes and interactions. They have been known to form stable interfaces with solid substrates like graphene, and these interfaces have potential applications in bio-sensing and targeted drug-delivery. In this paper, we perform …
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Plasmonic devices based on transparent conducting oxides for near infrared applications
… of devices such as plasmonic resonator for bio-sensing and waveplate metasurfaces. In addition, we study the impact of TCOs to local antenna as epsilon-near-zero (ENZ) substrate. The technological importance of the IR range is apparent and growing, and as plasmonics develops a niche at these …
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Strategies towards high performance (high-resolution/linearity) time-to-digital converters on field-programmable gate arrays
… applications, such as high-energy physics, bio-sensing, non-invasion health monitoring, and 3D imaging. Because of the increasing demand for high-precision time measurements, time-to-digital converters (TDCs) have attracted attention since the 1970s. As a fully digital solution, TDCs are …
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Development of enhanced performance luminescence-based optical sensor systems for single-analyte and multii-analyte applications
… capture element that was optimised for general sensing as opposed to bio-sensing applications was designed using a combined ray tracing/optimisation approach. The detection of multiple parameters using a single luminescent sensor ele- ment is desirable in many applications. A multi-parameter …
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Selective electro-magnetic absorbers based on metal-dielectric-metal thin-film cavities
… such as thermo-photovoltaics,thermal imaging, bio-sensing, thermal emitters, astronomy, and stealth technology. Strong light absorbers found in nature with high intrinsic losses such as carbon black, metal-black, and carbon nano-tubes etc. are bulky, not design-tunable and are hard to pattern …
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CMOS nanofluidics
… of clinical diagnosis involves protein and DNA sensing. Significant effort is made to make protein and DNA sensing more accessible and affordable, through micro and nano-technologies. However, typical commercial and academic devices for molecular sensing suffered needs for external equipment, …
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Pamam dendrimer-based therapeutic and diagnostic nanodevices
… 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 and specificity. Hydroxyl terminated poly(amidoamine) dendrimer (PAMAM-OH) was modified with …
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Complex Plasmonic Nanostructures: Symmetry Breaking and Coupled Systems
… spectroscopy techniques for chemical- and bio-sensing, cancer diagnosis and therapy, metamaterials, and energy harvesting. As the field of plasmonics has progressed, these applications have become more sophisticated, requiring increasingly complex nanostructures. For example, coupled …
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Immunological and Molecular Techniques for Point-of-Care Diagnostics
… where the early administration of the right antibiotics could be life-saving. Demonstrating the presence of the relevant pathogen, rather than looking for serological markers, is the surest and fastest way of confirming an infection and diagnosing a disease. In this biosensing approach, …
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