Results 71 to 80 of about 57,211 (287)

Xylose as a Cataractogenic Agent.

open access: yesExperimental Biology and Medicine, 1939
SummaryYoung rats given a diet containing 35% xylose developed cataractous changes within approximately the same length of time as did litter mates receiving a similar diet containing 35% galactose. Controls receiving glucose showed no lenticular changes. It is suggested that the cataractogenic activity of sugars may be dependent upon certain molecular
Paul L. Day, William J. Darby
openaire   +2 more sources

DPPH‐based Antioxidant Screening and Cellulase‐assisted Hydrodistillation of Matourea azurea: Improved Essential Oil Yield and Density Functional Theory Insights Into a Rare Terpene

open access: yesChemistry &Biodiversity, EarlyView.
ABSTRACT Essential oils are rich in bioactive molecules like terpenes and phenolic compounds, but have low yields, making process efficiency crucial. Enzyme‐assisted hydrodistillation is a sustainable alternative, enhancing oil release by degrading the cell wall.
Júlio César Gonçalves de Souza   +7 more
wiley   +1 more source

Rieske Oxygenase‐Catalyzed Biotransformations in Recombinant Cupriavidus necator Fueled by Formate Oxidation

open access: yesChemBioChem, EarlyView.
In this study, formatotrophic biotransformations in recombinant Cupriavidus necator catalyzed by Rieske oxygenases (ROs) toward various oxyfunctionalized olefins are demonstrated. The oxidation of formate regenerates NADH, the ROs’ cofactor, essentially fueling the reaction.
Marleen Hallamaa   +5 more
wiley   +1 more source

Xylose fermentation efficiency of industrial Saccharomyces cerevisiae yeast with separate or combined xylose reductase/xylitol dehydrogenase and xylose isomerase pathways

open access: yesBiotechnology for Biofuels, 2019
Xylose isomerase (XI) and xylose reductase/xylitol dehydrogenase (XR/XDH) pathways have been extensively used to confer xylose assimilation capacity to Saccharomyces cerevisiae and tackle one of the major bottlenecks in the attainment of economically viable lignocellulosic ethanol production.
Cunha, Joana T.   +4 more
openaire   +6 more sources

Overexpression of Transketolase Relieves xylA Repression and Enhances Xylose Utilization in Saccharomyces cerevisiae During Mixed Sugar Fermentation

open access: yesGCB Bioenergy
Metabolic engineering of Saccharomyces cerevisiae has enabled xylose‐fermenting yeast strains. However, the bioavailability dilemma of xylose has become the core bottleneck restricting the economy of lignocellulose.
Si Xu   +5 more
doaj   +1 more source

Stereoselective Syntheses of Cyclic Microsclerodermin Derivatives

open access: yesChemistry – A European Journal, EarlyView.
Six different cyclic microsclerodermin derivatives are obtained from l‐xylose and d‐arabinose via stereoselective Sakurai allylations and photochemical Arndt‐Eistert homologations. Abstract Starting from l‐xylose and d‐arabinose, six different cyclic microscleroderma derivatives were successfully obtained.
Kevin Bauer, Uli Kazmaier
wiley   +1 more source

Integrated and closed‐loop biorefinery strategies for efficient waste valorization and biofuel production

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Advancements in biofuel production technologies are essential for reducing global dependence on fossil fuels and addressing their overexploitation. Many valuable components of biomass, such as cellulose, hemicellulose, and lignin, remain underused in traditional biorefineries, which typically rely on a single feedstock to produce a primary ...
Marcos Paulo Patta Granado   +5 more
wiley   +1 more source

Transition Metal Carbide‐Based Catalysis for Thermocatalytic Conversion Processes: Properties, Synthesis, Applications, and Future Outlook

open access: yesChemNanoMat, EarlyView.
Transition metal carbides (TMCs) have electronic structure similar to that of platinum group metals, making them attractive for thermocatalysis applications. This review explores several essential aspects, discussing physical and chemical properties of TMCs, synthesis methods, and their utilization in thermocatalytic processes, including generation of ...
Edris Madadian   +3 more
wiley   +1 more source

Xylose test. [PDF]

open access: yesBMJ, 1973
R, Schneider   +2 more
openaire   +2 more sources

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