نتایج جستجو برای: fed batch process

تعداد نتایج: 1406141  

Journal: :International Journal of Applied Mathematics, Electronics and Computers 2015

2016
Martina Röhm Alina Handl Maria König Chrystelle Mavoungou René Handrick Katharina Schindowski

This data article focuses on the production of monoclonal antibodies (mAb) and their fragments Fab and F(ab')2. Here, we present the data of an optimization protocol to improve the product yield of a hybridoma cell process using a Design of Experiment (DoE) strategy. Furthermore, the data of the evaluated conditions were used to test feeding strategies in shake flasks. They were verified in con...

2015
Chongyang Liu

Developing suitable dynamic models of bioprocess is a difficult issue in bioscience. In this paper, considering the microbial metabolism mechanism, i.e., the production of new biomass is delayed by the amount of time it takes to metabolize the nutrients, in glycerol bioconversion to 1,3-propanediol, we propose a nonlinear time-delay system to formulate the fed-batch fermentation process. Some i...

2008
Emma Bäcklund

The recombinant product is secreted to the periplasm in many processes where E. coli is used as host. One drawback with secretion is the undesired leakage of the periplasmic products to the medium. The aim of this work was to find strategies to influence the periplasmic retention of recombinant products. We have focused on the role of the specific growth rate, a parameter that is usually contro...

Journal: :Applied and environmental microbiology 1982
E J Schaefer C L Cooney

The production of maltase, an inducible and repressible catabolic enzyme in Saccharomyces italicus, was studied and compared in batch, fed-batch, and continuous fermentations. Tight genetic controls on maltase synthesis limited the effect of environmental manipulations such as fed-batch or continuous culture in enhancement of maltase synthesis, and neither approach was able to improve the perfo...

2016
Márk Szuhaj Norbert Ács Roland Tengölics Attila Bodor Gábor Rákhely Kornél L Kovács Zoltán Bagi

BACKGROUND Applications of the power-to-gas principle for the handling of surplus renewable electricity have been proposed. The feasibility of using hydrogenotrophic methanogens as CH4 generating catalysts has been demonstrated. Laboratory and scale-up experiments have corroborated the benefits of the CO2 mitigation via biotechnological conversion of H2 and CO2 to CH4. A major bottleneck in the...

2017
Xin Li Lei Yang Ximei Gu Chenhuan Lai Caoxing Huang Qiang Yong

Production of fumaric acid and xylooligosaccharides from corncob was investigated using a combined process. Corncob was fractionated into a cellulose-rich fraction and a hemicellulose-rich fraction by an alkali pretreatment. The cellulose-rich fraction was converted into fumaric acid by Rhizopus oryzae in fed-batch simultaneous saccharification and fermentation (SSF). Maximal fumaric acid conce...

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