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.
Results
Showing 1 to 20 of 691 for “"Sugars"”.
-
Innovative Methods for Biomass Sugars Utilization
… and furans) requires both hexose and pentose sugars released to be fully utilized to make this process cost-effective. However, the efficient xylose utilization through either fermentation or chemical conversion is the cost-limiting step. First, the major challenge for using xylose for ethanol …
-
Investigating the bioprotective properties of sugars
… properties of osmolytes, specifically sugars on biomolecule such as protein. The strategy used in this study involved the utilisation of surfactant-rich micelles; where by the impact sugars have on the free energy of exposure of hydrocarbon groups present within the surfactant micelles …
-
Radical Tools to Transform Biomass Sugars
… D-xylose, D-galactose), there are > 500 ’rare’ sugars that feature prominently and are difficult to isolate from natural sources. Instead, these rare glycosides are typically prepared through multistep chemical syntheses which commonly rely on protecting group manipulations to achieve selective …
-
Sensory differences between beet and cane sugars
… wide variety of food applications. Beet and cane sugars, the primary sources of sucrose, have a nearly identical chemical composition (>99%), though some differences in their analytically determined volatile profiles, thermal behavior, and minor chemical compositions have been noted. However, the …
-
The effect of sugars on amino-acid transport
At the turn of this century the form in which ingested protein was absorbed from the intestine was unknown. Voit had postulated in 1867 that protein was absorbed as such, and passed through the blood to the tissues, where it was oatabolised without becoming part of the "living protoplasm". This …
-
An investigation into the effects of homopteran honeydew sugars versus floral nectar sugars on black fly longevity, flight performance and digestion /
… have shown that in female black flies, honeydew sugars produce flights of longer distance and duration than do nectar sugars. This thesis examines two aspects of black fly biology as it relates to sugar meal consumption. First, the effects of honeydew and nectar on black fly longevity are …
-
The co-crystallisation of sugars by the supersaturation process
Co-crystallising sugars by the supersaturation process was investigated using sucrose and lactose as the matrix sugars. The components to be cocrystallised with either sucrose or lactose were a variety of mono- and disaccharides along with sweeteners such as saccharin.Analysis of the materials …
-
Production of lactic acid by microbial fermentation of hemicellulose sugars
Lactic acid (2-hydroxypropionic acid) is an organic acid which has wide applications in food feed, pharmaceutical industries as well as producing polylactic acid, which is a biodegradable material. Lactic acid is commercially produced by microbial fermentation from starchy materials. Converting …
-
Gum arabic and constituent sugars studied by electron spin resonance
For abstract see full text.
-
Development of Photocatalytic Reactor Technology for the Production of Fermentable Sugars
… production is the release of fermentable sugars via pre-treatment. Conventionally, physico-chemical and biological pre-treatment methods are energy intensive, environmentally unfavourable and expensive. This study, however reports on the use of a less energy consuming, cheap and …
-
Lanthanide complexes as fluorescent indicators for neutral sugars and cancer biomarkers
… complexes are effective at detecting neutral sugars as well as glyco- and phospholipids. In solutions at physiologically relevant pH the fluorescent lanthanum complex binds neutral sugars with apparent binding constants comparable to those of arylboronic acids. Interference from commonly …
-
A study of the phase transitions of sugars found in chocolate
… investigate the phase transitions of f chocolate sugars. To achieve this, the chemical purity and the re-crystallisation of both iamorphous lactose and amorphous sucrose in a number of model systems were imonitored. Both amorphous lactose and sucrose were prepared by spray- and freeze- drying |of …
-
A Study of the Fatty Acid Derivatives of Sugars and Related Compounds
Made available in DSpace on 2014-12-05T19:06:38Z (GMT). No. of bitstreams: 1 0013503.pdf: 15454990 bytes, checksum: 19135f18e0c6413e4292b83b81978dac (MD5) Previous issue date: 1955
-
Metabolic engineering of Saccharomyces cerevisiae for efficient ethanol production from pentose sugars
… feedstock. Unfortunately, pentose sugars, which constitute up to 30% of biomass hydrolysate, cannot be utilized by S. cerevisiae. To this end, heterologous pentose utilization pathways have been introduced into S. cerevisiae in order to enable the assimilation of pentose sugars. …
-
The synthesis of amino- and deutero- sugars from halo-cyclohexadiene-cis-diols
… 4- amino-4-deoxy-, and 5-amino-5-deoxy-sugars from noncarbohydrate precursors, halobenzenes 1 (Figure 1), has been developed. See: Figure 1: Aminosugar Targets from Halobenzenes This methodology has also been applied to achieve the synthesis of protected D-mannose- 2,3,4,5,6-d₅ 191, and …
Page 1 of 35