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 45 for “"saccharides"”.
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Developing analytical tools for saccharides in condensed phases
… various computational methods for analysing saccharides in solution and in the solid state. These methods are applied to molecular dynamics simulations of maltose, hexa-amylose and a series of cyclodextrins in solution, in order to investigate the effects of water on these polysaccharides. …
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The Effect of Starch Microstructure on Glass Transition, Gelatinization, and the Elevation of the Gelatinization Temperature by Saccharides
The microstructure of starch and non-uniform distribution of water within starch granules affect how starch granules interact with water which in turn governs the magnitude, energy, and temperature of subsequent thermodynamic transitions.
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Impact of Oxygen and Pesticides on Microbial Cellulose Degradation in Aerated Agricultural Soils: A Microscaled Analysis of Processes and Prokaryotic Populations
… fluxes in soil. The degradation of plant-derived saccharides (e.g., cellulose, cellobiose, and glucose) is catalysed by a huge diversity of aerobic and anaerobic microorganisms (including Bacteria, fungi, and protists), but there is limited information about their phylogenetic identities and their …
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Protection Mechanisms of Excipients on Lactate Dehydrogenase during Freeze-Thawing and Lyophilization
… dissertation, different molecular weights of saccharides, e.g., glucose, sucrose, dextran 37000 (D 37K) and dextran 160000 (D 160K) with or without PEG 8000, were formulated with LDH at various molar ratios. LDH tetrameric structures were destabilized and activity was lost more when dextrans …
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Synthesis of Novel Antimycobacterials and a Fluorescent Sensor for Simple Carbohydrates
… material and Koeings-Knorr reactions to couple saccharides. The synthesis was completed in nine steps and in 14% total yield. This compound should be useful in competitive inhibition studies with macrophages or as an immunological marker. We have successfully synthesized nonsulfated mimics of …
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Towards designing de novo (1--->4)-linked polysaccharides
… are commonly employed for creating de novo saccharides with enhanced functionality. The physiochemical properties of carbohydrates are governed by their conformations and the polarity of their substituents strongly influences the overall flexibility of such biomolecules. In this thesis, two …
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Cellulolytic enzyme systems of Myrothecium verrucaria
… (E) a transglucosidase which synthesized higher saccharides from cellobiose. In paper electrophoresis at pH 8.55 in veronal buffer of ionic strength 0.05 and a potential gradient of 10 volts/cm, concentrated culture filtrates exhibited multiple components with cellulase activity. The …
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Direct detection of homocysteine and syntheses of lanthanide complexes as biosensors
… to achieve sensitive determination of specific saccharides at physiologically relevant pH. Inspired by calcium-dependent recognition of saccharides by C-type lectins, a water-soluble salophene-lanthanum complex was synthesized. It can be used in the detection of neutral sugars at physiological …
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Characterization of Oligosaccharides and Nanoparticles by MALDI-TOF Mass Spectrometry
… and anomeric configurations of small oligosaccharides by negative ion mode MALDI using anion attachment followed by PSD are investigated. By careful initial adjustment of the focusing mirror ratios allowing acquisition of the peaks of interest within the same PSD segment, it is possible to …
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Diamond Energy - A systematic conformation searching method
… rings, and then further extended to include saccharides. This extension was facilitated by the development of an automatic pipeline for searching suitable energy evaluation parameters when introducing new atom types. Finally, using the large quantity of data generated by the Diamond Energy …
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SYNTHESIS AND CHARACTERIZATION OF HIGHLY FLUORESCENT TUNABLE AZABORINE PHOTO-INDUCED ELECTRON TRANSFER GLUCOSE SENSOR
… binding affinity displayed by boronic acids to saccharides. This research project aims to develop a fluorescent “turn-on” probe capable of detecting glucose by linking <em>ortho</em>-aminomethyl phenylboronic acid as a photo-induced electron transfer (PET) sensor to an azaborine fluorophore, …
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Oligosaccharide-mediated targeting of dendritic cells and the development of carbohydrate microarrays
… expressed by these cells. Synthetic oligosaccharides bearing a tri(ethylene glycol) linker with a reactive thiol handle were chemically coupled to model antigens to generate oligosaccharide-antigen conjugates. These conjugates were evaluated for their ability to specifically target DCs in …
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Perichromism: a novel technique to distinguish between amorphous and crystalline material
… and raffmose. All experiments conducted with the saccharides were in agreement with each other. SEM of amorphous and crystalline trehalose with and without the probe was also performed, which showed that crystalline trehalose with phenol red has a very disrupted surface compared to amorphous …
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Synthesis and Antifungal Evaluation of Barbiturate Saponins And Progress Towards Cysteinyl Metal Peptides
… without requiring protection and deprotection of saccharides. Efficient methods were developed for synthesis of 3<em>β</em> derivatized steroid derivatives containing ether, carbonate, ester and carbamate linker. Synthesized mono and disaccharide barbiturates were incorporated into the steroidal …
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Inheritance of Soluble Oligosaccharides in Soybean Seeds
… mechanism controlling accumulation of soluble saccharides in soybean seeds. An experimental soybean line, V99-5089, with high sucrose (14.6%) content coupled with low amounts of raffinose (0.5%) and stachyose (0.4%) was the center of this study. Three populations were studied and segregation …
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Development of Mono-de-N-acetylated β-(1→6)-N-acetyl-D-glucosamine Substrates for Characterization of PgaB Hydrolase Activity
… β-(1→6)-N-acetyl-D-glucosamine (GlcNAc) oligosaccharides to be used as substrates. This thesis describes the synthesis of defined mono-de-N-acetylated β-(1→6)-GlcNAc penta- and hepta-saccharides by using a convergent synthetic method and a multistep selective deprotection. These synthetic …
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Development of functional hydrogels for sensor applications
… efficiency. With these tools at hand, Salmonella saccharides could be selectively detected by SPR. Influenza viruses were detected in solution by turbidimetry in solution as well as by a copolymerized solvatochromic dye to track binding via the changes of the polymers’ fluorescence by said binding …
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ENZYMATIC PRODUCTION OF PURIFIED ISOMALTOOLIGOSACCHARIDES PREBIOTIC PREPARATIONS AND THEIR FULL QUALITATIVE AND QUANTITATIVE CHARACTERIZATION
… products. Amongst these prebiotics, isomaltooligosaccharides (IMO), produced enzymatically from hydrolyzed starch, are the most developed in Asia thanks to their many favourable properties for application in food industry. However, their full characterization hasn’t been achieved yet. In the …
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