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 “"Chemical Detectors"”.
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Investigations into the sensing capabilities of an electrochemical immunosensor employing polyaniline as a mediator species
… review encompassing the field of electrochemical immunosensing. chapter 3 outlines work towards developing real-time imrnunosensors to oestradiol and p60. This ork involved the synthesis of horseradish peroxidase (HRP) conjugates with oestradiol, and p60 or use in a competitive …
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Laboratory evaluation of laser-induced breakdown spectroscopy (LIBS) as a new in situ chemical sensing technique for the deep ocean
… As a result, a critical need for in situ chemical sensors is evolving. New sensors take a significant amount of time to develop; thus, the evaluation of techniques in the laboratory for use in the ocean environment is becoming increasingly important. Laser-induced breakdown spectroscopy …
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Chemical sensing using polypyrrole actuators
… has been developed through the use of LED-based detectors and RGB-analysis of digital images.
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Harnessing inorganic coordination chemistry for novel sensing applications
We explore strategies to exploit the rich chemical reactivity available to inorganic coordination complexes in order to realize chemiresistive detectors, electronic device elements that undergo a change in resistance in the presence of analyte, through either incorporation of a conductive material …
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Amino acid interactions of spiropyran
A solution phase study was carried out to explore the interactions between the spiropyran molecule in its merocyanine zwitterionic merocyanine 'open' form and amino acids. The principal amino acids chosen for investigation were β-Alanine, L-Phenylalanine and 8-Aminocaprylic acid. Both single phase …
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The development and optimisation of a low cost optical chemical sensing platform
… traditional single point grab sampling. The chemical sensor optimised as part of this project is based on the use of two light emitting diodes (LEDs), as both the light source and photodetector. This light sensor, when coupled with a PET slide coated with a pH sensitive colorimetric dye …
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Reacting plume inversion on urban geometries through gradient based design methodologies
… a release location based on the sensing of chemical byproducts of the release and the ability to compute an accurate flow field on the geometry of interest. In this study, Washington DC is simulated under conditions of a hazardous plume. A CFD solver is implemented which allows for the …
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Chemical and Mechanical Stability of Copper Carboxylate Metal-Organic Frameworks
… or separation, drug delivery, toxic air removal, chemical detectors, etc. However, the industrialization of MOFs is currently facing difficulties because of their low chemical stability to common substances like water or even air moisture, substances difficult to avoid in applications like those …
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Chip-Scale Gas Chromatography
Instrument miniaturization is led by the desire to perform rapid diagnosis in remote areas with high throughput and low cost. In addition, miniaturized instruments hold the promise of consuming small sample volumes and are thus less prone to cross-contamination. Gas chromatography (GC) is the …
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Development of Innovative Microfluidic Polymeric Technologies for Point-of-care & Integrated Diagnostics Devices
… synthetic systems, or hazardous bio/chemical analysis platforms.
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Hydrogen terminated silicon surfaces: Development of sensors to detect metallic contaminants and stability studies under different environments
Hydrogen terminated silicon surfaces have been utilized to develop sensors for semiconductor and environmental applications. The interaction of these surfaces with different environments has also been studied in detail. The sensor assembly relevant to the semiconductor industry utilizes a …