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A pure culture of Pseudoinonas putida was grown in both a batch and continuous culture using phenol as the limiting substrate. Of two substrate inhibition models examined, the Haldane function was found to statistically best describe the kinetics. The applicable kinetic constants were either...
Immobilized chymotrypsin catalyzes esterification of N‐acetyltyrosine in a medium containing high concentrations of alcohols. The hydrophilic support and inclusion of glycerol protect the enzyme activity and allow catalysis to proceed in the presence of only 10% (v/v) water. The same...
The batch growth curves of Laclobacillus delbreuckii exhibit several exponential phases. From the results of a series of shaker flask experiments, the position of the slope changes in the growth curve and the overall bacterial yield is affected by the initial amount of yeast extract in the...
Immobilized β‐galactosidase gel was prepared using poly(vinylpyrrolidone) (PVP) under β‐ray irradiation. In contrast to the gelation of N‐vinylpyrrolidone monomer–enzyme solution, the gelation of PVP‐β‐galactosidase solution (PVP content: 10%) was almost completely uneffected by...
The suitability of hornblende as a support for immobilized β‐fructofuranosidase (invertase) was studied, with regard to the physical stability of the support and the thermal and operational stability of the immobilized enzyme. Hornblende was more stable than Enzacryl‐Alo or Enzacryl‐TIO,...
The growth of the nonsulfur photosynthetic bacterium Rhodopseudomonas gelatinosa was investigated as a possible way to produce single‐cell protein from agricultural by‐products. Of the various raw materials examined as potential feedstocks, wheat bran infusion was selected as the substrate...
Simultaneous removal of organic materials and recovery of protein in the form of bacterial cells from a simulated high strength biodegradable wastewater was studied using thermophilic aerobic microorganisms. A naturally occurring mixed culture of thermophilic microorganisms was obtained from...
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