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 205 for “"extraction method"”.
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Novel Liquid extraction method for detecting Native-wood Formaldehyde
… can hinder the complete formaldehyde extraction. In order to have a complete formaldehyde extraction, a stronger nucleophile than hydroxyl and water groups is needed. In this study cross-linked poly (allylamine) (PAA) beads were synthesized and used as a strong nucleophile to extract …
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An extraction method using whole insect larvae to isolate DNA from a deceased host.
… entomological evidence continues to be a useful method for the identification of human remains from a crime scene, especially when the body is in a state of decomposition. During active decomposition the DNA within the organism may also degrade and could inhibit the ability to develop a genetic …
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Optimization of culture conditions and extraction method for phycocyanin production from a hypersaline cyanobacterium
Submitted in fulfilment of the requirements of the degree of Master of Technology: Biotechnology, Durban University of Technology, Durban, South Africa, 2014.
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Studies on the Quality of Soybean Oil: Extraction Method, Soybean Type, and Oxidative Stability
… Aided Screw Press process is an alternative method for the production of soybean oil. It combines short time high temperature extrusion with a conventional screw press to obtain soy oil and meal of high quality. Different soybean varieties (some with altered fatty acid, lipoxygenase, and …
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Efficiency of Using Commercial DNA Extraction Kits and the Organic Extraction Method in Removal of Polymerase Chain Reaction Inhibitors
… contaminants were tested using three different methods, namely the PrepFiler DNA extraction kit, DNA IQ DNA extraction system, and the organic DNA extraction protocol. One, two, five, and ten μl of whole blood were deposited on soil, wood chips, and cotton swatches treated with bleach. DNA was …
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Detection and Purification of a Novel Natural Inhibitory Compound from an Isolated Strain of <em>Rhodococcus</em> Using an Agar Extraction Method
… secondary metabolites. The use of a solid agar extraction method to screen soil isolates of <em>Rhodococcus</em> for compounds with inhibitory activity against other bacteria resulted in the discovery of a promising candidate molecule. The <em>Rhodococcus</em> strain KCHXC3, isolated from …
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Comparison of Commercial DNA Extraction Kits with That of Organic Extraction Procedures Using Simulated Forensic Evidence Samples
… The success of such analysis requires effective methods for the extraction of DNA Two straight extraction methods: the organic phenolchloroform extraction method and the ReliaPrep<sup>TM</sup> Blood gDNA Miniprep System (Promega Corporation, Madison WI), and two differential extractions: the …
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Are Mussel Shells Environmental DNA Time Capsules? A Comparison Of Extraction Methods For Obtaining DNA From Shell Material.
… prompted a study to test the ability of several extraction methods to isolate DNA from museum mussel specimens. The purpose of this study was to determine if four DNA extraction methods had influence on total DNA yield (ng/mg) from mussel tissue. The hinge ligaments of freshwater mussels ranging …
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A comparison of extraction techniques for the determination of metals in soil
… geological metal contaminants in soil. Current extraction methods, such as hot acid extraction, result in the digestion of the sample matrix which may obscure the origin of the contaminant. Since metals from anthropological sources are most often adsorbed to the surface of the soil sediment, the …
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Outcome and Resource Use of Patients with Liver Disease: Analysis of Chinese Electronic Medical Records
… study was to develop and validate an EMR data extraction method to define clinical conditions, including liver diseases, comorbidities, and treatments. The research from this initial study demonstrated that the data extraction method had high validity and had the potential to be applied to …
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Use of solvents for PAHs extraction and enhancement of the PAHs bioremediation in coal-tar-contaminated soils
… the first part of the study, a direct solvent extraction method was evaluated to assess its application for the extraction and analysis of PAHs in coal-tar-contaminated soils. The direct solvent extraction method using acetone as an extraction solvent was shown to be equivalent to the Soxhlet …
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Qualify Microplate Reader’s Specification and Establish the Acceptance Criteria for Modified PicoGreen Kit in Measuring cell-free DNA Concentration in Clinical Laboratory
… from minimal volume of plasma after the extraction methods. Different methods of extraction yield various concentrations of dsDNA. Our laboratory develops the use of a modified PicoGreen kits and Biotek’s microplate reader to measure cfDNA concentration. This assay is being qualified to …
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An Exploration of Interaction Effects in Indonesian Regional Economic Development
… of Indonesian provinces by applying the extraction method within an interregional input-output analysis. The method hypothetically extracts a particular province, and analyzes output differences between the full-region and the hypothetical systems. Greater output differences correspond to …
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Comparing Extraction Methods in Sample Preparation for the Quantification of Cannabinoids in Industrial Hemp
… Farm Bill does not, however, specify standard methods for sample preparation or quantification of cannabinoids (including THC) in Cannabis. Extraction efficiency of phytochemicals is well-known to depend on the solvent and extraction method used. In this project, we evaluated the effect of …
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N-ary Cross-sentence Relation Extraction: From Supervised to Unsupervised Learning
Relation extraction is the problem of extracting relations between entities described in the text. Relations identify a common "fact" described by distinct entities. Conventional relation extraction approaches focus on supervised binary intra-sentence relations, where the assumption is relations …
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Determination of Extractables from Cranberry Seeds Using Supercritical CO₂
An alternative method for extraction of therapeutically beneficial compounds such as sterols, fatty acids, and tocopherols from cranberry seeds with pure SF CO2 has been provided. The supercritical fluid extraction (SFE) operating conditions such as extraction temperature, pressure of CO2, …
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Einsatz von Magnetit-immobilisierten Chelatoren zur Extraktion von Schwermetallen aus Boden und Wasser
… IDA-immobilized beads (Ep and Bu). The highest extraction efficiency (Cd: 56 %, Pb: 71 %) was achieved with the carboxylated C12-beads. Under the experimental conditions, mobile heavy metals were only extracted from the soil samples since magnetic beads, soil and water were simply involved in …
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Facial analysis in video : detection and recognition
… this dissertation presents a face detection method and numerous feature extraction methods for face recognition. Concerning face detection, a video-based frontal face detection method has been developed using motion analysis and color information to derive field of interests, and …
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