Sökning: "buffer additives"
Visar resultat 6 - 10 av 12 avhandlingar innehållade orden buffer additives.
6. Stability and inactivation mechanisms of two transaminases
Sammanfattning : In the past decades, more and more enzymes are employed as biocatalysts in industrial processes because of their advantages, such as high efficiency, substrate selectivity and stereoselectivity. Among them, amine transaminases (ATAs) are pyridoxal 5’-phosphate (PLP) dependent enzymes. LÄS MER
7. Sainfoin tannins and their impact on protein degradation during silage and rumen fermentation and testing of novel techniques
Sammanfattning : The legume species sainfoin (Onobrychis viciifolia) has been shown to contain tannins of particularly beneficial composition for ruminant nutrition. This thesis describes effects of condensed tannins on protein degradation in general and in sainfoin specifically. LÄS MER
8. Electrochemical characterizations of conducting redox polymers with proton traps : Enabling proton cycling in aprotic systems for high potential energy storage
Sammanfattning : Floods, droughts and unpredictable weather could be the new reality for millions of people in a near future, unless we drastically decrease our greenhouse gas emissions to prevent the global average temperature from increasing even further. Material innovations will most certainly be essential for many of the technical solutions needed in order to tackle environmental issues. LÄS MER
9. Evaluation of a Miniaturized Rotating Disk Apparatus for In Vitro Dissolution Rate Measurements in Aqueous Media : Correlation of In Vitro Dissolution Rate with Apparent Solubility
Sammanfattning : The general aim of this thesis was to evaluate a newly designed and constructed miniaturized rotating disk apparatus for in vitro dissolution rate measurements of different drug substances from all of the classes in the Biopharmaceutical Classification System (BCS). The new equipment is based on a low volume flow-through cell of Plexiglas, a gold plated magnetic bar and a special designed press. LÄS MER
10. Green liquor dregs as sealing layer material to cover sulphidic mine waste deposits
Sammanfattning : Waste rock and tailings generated by sulphide ore mining often contains large amounts of iron sulphides which oxidize when exposed to atmospheric oxygen and may generate acidity. In the absence of alkaline minerals to neutralize this acidity, elements including harmful heavy metals become mobile. LÄS MER