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 19 of 19 for “"analytical instrumentation"”.
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New Approaches to Automated Analytical Instrumentation
… optimisation and assessment of novel automated analytical equipment for cold vapour/hydride generation is described. Various designs of gas-liquid separators (GLS) were investigated for continuous flow hydride generation, including a glass 'U' tube GLS, a silicone rubber membrane GLS and a …
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Using Random Forest in the field of metabolomics
… One of the factors is the advancement of analytical instrumentation, and the other is developing data mining methodologies for extracting meaningful and interpretable experimental results. There are many different types of data mining methodologies, but the undertaking of selecting a …
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Development and Characterisation of Solid-State Ion-Selective Electrodes, and their Application to Sweat Analysis for Cystic Fibrosis Diagnosis
… determined separately using standard benchtop analytical instrumentation. In this thesis, the use of miniature solid-state Ion-Selective Electrodes (ISE’s) to monitor both target ions simultaneously, for the purpose of CF diagnosis, is investigated. A commercially available sensor array in a …
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Geographic Classification of Wines Using Their Elemental and Water Isotopic Composition; Special Emphasis on Washington State, USA
… In an effort to reduce this risk, advanced analytical instrumentation and statistics were employed to chemically characterize, and thus geographically classify, 118 wines from 4 major wine producing regions located on 3 continents, including 64 wines from WA. Focus was on the analysis of …
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Encapsulation of metal hydride nanoparticles
… could cause significant damage to expensive analytical instrumentation. To address these issues, a method for encapsulating metal hydride nanoparticles in spherical polysulfone microcapsules has been developed, offering an environment for both safe storage and handling of moisture-sensitive …
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Sustainable development of an integrated solid waste and wastewater treatment.
… characterisation was conducted using a range of analytical instrumentation to identify the TPH, COD, heavy metals content, TOC, and particle size of Sureclean waste streams. From there, four treatment systems were investigated utilising Sureclean waste streams: mechanical separation, chemical …
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Advanced analytical strategies to determine biomedical parameters for medical diagnostics, drug delivery, and therapy
… groups have dedicated their studies to develop analytical instrumentation and apply analytical methods to determine biomedical parameters that have the potential to help with disease control and increase public health. This dissertation focuses on three major aspects of analytical strategies …
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THE IDENTIFICATION AND QUANTIFICATION OF ORGANOPHOSPHATE FLAME RETARDANTS IN RAW MATERIALS UTILIZED IN POLYURETHANE PRODUCTION
… and qualification were developed using analytical instrumentation, specifically gas chromatography coupled with triple quadrupole mass spectrometry (GC-MS/MS). The examination of flame retardants containing organophosphates was completed utilizing various methods of analyses including …
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Evaluation of the Odor Compounds Sensed by Explosive-Detecting Canines
… of canines to one another as well as to analytical instrumentation, despite the fact that this container has a defined headspace and degree of confinement of the explosive. For example, it is a common misconception that the amount of explosive itself is the chief contributor to the amount …
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Detection of Environmental Contaminants in Water Utilizing Raman Scanning for E. coli Phenotype Changes
… Many of these are below the detection limits of analytical instrumentation, but their effects on E. coli phenotypes were detectable by Raman spectroscopy. Multicomponent tests showed that in a mixture, the most toxic or most concentrated contaminants have the most effect on cell phenotype. …
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Characterization of Coacervate Systems Using Redox Sensitive Dyes
… reduced dye. To study these systems a variety of analytical instrumentation was used. Fluorescence spectroscopy was used to investigate the partitioning of the engulfed materials in the coacervate. Reduced ITS is the only fluorescent material presented and it was determined that reduced ITS forms …
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Raman spectroscopic application for the analysis of organic compounds and minerals of astrobiological significance. The detection and discrimination of organic compounds and mineral analogues in pure and mixed samples of astrobiological significance using raman spectroscopy, XRD and scanning electron microscopy
… biosphere could have once existed there. Analytical instrumentation protocols for the unequivocal detection of biomarkers in suitable geological matrices are critical for future unmanned explorations, including the forthcoming ESA ExoMars mission scheduled for 2018. Several geological …
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Structural elucidation of glycerophospholipids using metastable atom-activated dissociation mass spectrometry (MAD-MS)
Recent developments in analytical instrumentation have allowed scientists to investigate systems that were unattainable in the past. In the biomedical community this increase in investigative power has allowed the exploration of biological components like proteins, lipids, and DNA and their role in …
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Polymer and covalent functionalization of single walled carbon nanotubes for electronic sensor applications
… they offer an inexpensive option to conventional analytical instrumentation, they can be readily integrated into electronic devices, and they have low power requirements. Nanowires (NWs) are a major theme in chemosensor development. High surface area, inter-wire junctions, and restricted …
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Discovery and dissemination of new knowledge in food science: Analytical methods for quantification of polyphenols and amino acids in fruits and the use of mobile phone-based instructional technology in food science education
… To advance our understanding of fruit chemistry, analytical methods were compared and applied. Polyphenols are secondary metabolites in fruits of particular importance in food science, as they contribute to the sensory attributes and health benefits of the products. Evaluation of common analytical …
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ORGANIC MICROPOLLUTANTS ANALYSIS AND THEIR METROLOGICAL TRACEABILITY TO SI UNITS
… their quantification by means of two different analytical techniques: - gaschromatography coupled with mass spectrometry (GC-MS), for the analysis of endosulfan; - Surface Enhanced Raman Scattering (SERS) spectroscopy for the analysis of melamine. For the development of these methods a …
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Advanced applications of Raman spectroscopy and super-resolution imaging of biological and plant materials
… Raman spectroscopy has many advantages as an analytical method to help fill this knowledge gap: it can differentiate chemical structures with high sensitivity, it is non-destructive, it requires minimal sample preparation compared to many other techniques, and it can reveal quantitative …
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Development and Characterization of a Stopped-Flow-Bypass Analysis System With Applications To Biochemical Measurements
… detector. It is believed that this new type of instrumentation will be of significant use for the analytical chemical, biochemical, molecular biology, biotechnology, environmental, pharmaceutical and medical communities for those measurements which require direct knowledge of the concentration …
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Improvements on Instrumentation to Explore the Multidimensionality of Luminescence Spectroscopy
This dissertation presents experimental and instrumentation developments that take full advantage of the multidimensional nature of line narrowing spectroscopy at liquid nitrogen (77 K) and liquid helium (4.2 K) temperatures. The inconvenience of sample freezing procedures is eliminated with the …