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The anaerobic digestion ecosystem is complex, involving a broad variety of substrates and up to 140 bacterial species. This paper applies a methodology that determines the least number of macroscopic bioreactions to be taken into account in order to explai ...
The influence of residual ethanol on metab. of food grade Gluconacetobacter xylinum I 2281 was investigated during controlled cultivations on 35 g/l glucose and 5 g/l ethanol. Bacterial growth was strongly reduced in the presence of ethanol, which is unusu ...
The activity of penicillin acylase has been studied in aq. and org. solvents, as free enzyme as well as immobilized within the membrane of liq.-core capsules. The activity of the enzyme is inhibited by the accumulation of the products of the hydrolysis rea ...
Recent advances in the fields of biotechnology and medicine have intensified the necessity for pharmaceutical-grade biomacromolecules purification (e.g. enzymes, antibodies, plasmid DNA). One of the key factors for a successful downstream process is the po ...
The water-soluble complexes [{RuCl2(mTPPMS)(2)}(2)], [RuCl2(PTA)(4)], [RhCl(mTPPMS)(3)], [RhCl(mTPPTS)(3)], and [RhCl(PTA)(3)] (mTPPMS=sodium salt of meta-sulfonatophenyl-diphenylphosphine, mTPPTS=sodium salt oftris(meta-sulfonatophenyl) phosphine, and PTA ...
This review sums up the activity in the field of in situ product removal in whole cell bioprocesses over the last 20 yr. It gives a complete summary of ISPR operations with microbial cells and cites a series of interesting ISPR applications in plant and an ...
Crabtree neg. organisms such as Kluyveromyces, Pichia, Hansenula and Candida, are used to make selected org. products such as lactic acid. The organisms are cultured in a first culture medium that includes glucose, under conditions that promote cellular re ...
Enantiomerically pure (+)-(1S4S,5S 6S)-6-endo-(benzyloxy)-5-exo-{[(tert-butyl)dimethylsilyl]oxy}-7-oxa-bicy clo[2.2.1]heptan-2-one ((+)-5) and its enantiomer (-)-5, obtained readily from the Diets-Alder addition of furan to 1-cyanovinyl acetate. can be con ...
Uptake of fatty acids into cells is a controlled process in part regulated by fatty acid transport proteins (FATPs), which facilitate the transport of fatty acids across the cell membrane. In this study the structure of the human FATP-1 (HGMW-approved symb ...
An in vitro model, designated the Simulator of the Human Intestinal Microbial Ecosystem (SHIME), was used to study the effect of a soygerm powder rich in beta-glycosidic phytoestrogenic isoflavones on the fermentation pattern of the colon microbiota and to ...
