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fermentation
Operating characteristics of solid-state fermentation bioreactor with air pressure pulsation
      
The development of solid state fermentation (SSF) technology is very important to the production of cellulase and ultimately to the utilization of natural cellulose.
      
However, inadequate dissipation of heat generated by biological activities has prevented solid-state fermentation from large-scale applications.
      
As for the sugar fermentation, some strains display the characteristics untypical of the S.
      
A yield of about 250 mg Trx-sBLyS/g DWC (1686 mg Trx-sBLyS/L) and expression level of about 38.5% in soluble Trx-sBLyS were obtained in a 30-1 bioreactor after optimization of the fermentation conditions.
      
In addition, the bioactivities of the soluble Trx-sBLyS in fermentation broth and the purified sBLyS were tested by two kinds of analytical methods of bioactivity.
      
The good fermentation yield and the satisified, purified sBLyS product with high purity, yield and bioactivity demonstrated the sBLyS production procedure was promising in industry.
      
Maintenance of pH 7.0 during the fermentation period favors accumulation of high molecular weight polysaccharide-containing components called lipopolysaccharide-protein and polysaccharide-lipid complexes in the capsules and culture medium.
      
Structural and Functional Features of Formate Hydrogen Lyase, an Enzyme of Mixed-Acid Fermentation from Escherichia coli
      
Under anaerobic growth conditions and fermentation of sugars (glucose), it exists in two forms.
      
The influence of fermentation conditions on the component composition of secreted enzyme complexes was revealed.
      
The characteristic features of enzyme preparations obtained in "cellulase" and "xylanase" fermentation conditions are shown.
      
Optimization of fixation and fermentation regimes for some species of medicinal plants with the alkaloid type of metabolism
      
Optimization of fixation and fermentation regimes for some species of medicinal plants with the alkaloid type of metabolism
      
It was demonstrated that proline and tryptophan can be determined by spectrophotometry in fermentation solutions in the biosynthesis of these amino acids.
      
A procedure for distinguishing synthetic ethyl alcohols from those obtained by fermentation using gas chromatography-mass spectrometry is discussed.
      
It was found that 2-butanol is the most informative marker of synthetic alcohol because it is not present in fermentation alcohols.
      
In the dark, they can switch from photosynthesis to the slow fermentation of pyruvate.
      
Glucose fermentation yields formate, acetate, ethanol, H2, and CO2.
      
It is concluded that, to be efficient, the cleanup of oil-contaminated soils must include measures to intensify the mineralization of carbohydrates and to inhibit their fermentation.
      
 

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