نتایج جستجو برای: fed batch
تعداد نتایج: 112680 فیلتر نتایج به سال:
An optimal experimental design for yield coefficients estimation in an unstructured growth model of fed-batch fermentation of E. coli is presented. The feed profile is designed by optimisation of a scalar function based on the Fischer Information Matrix. A genetic algorithm is proposed as the optimisation method due to its efficiency and independence on the initial values. Copyright 2004 IFAC K...
Abstract Sequencing batch reactor systems in wastewater treatment is widely applied activated sludge technology. The system performance not only dependent on the raw sewage quality and biochemical processes, but flow pattern within has a significant impact itself. varying stages of operation require different fluid conditions; biological stage shall be appropriately mixed, whereas low velocity ...
Dynamics of fed-batch biological stirred tank reactors are commonly described by a set of ordinary differential equations arising from mass balances of the biological species (microorganisms, enzymes, substrates, etc.) involved in the process. A basic difficulty for the application of modern control science to these processes lies in the fact that the models usually include kinetic parameters w...
Lab scale studies were conducted in a customized photobioreactor to assess the lipid productivity of Chlorella pyrenoidosa under fed-batch mode using 0.025g/l to 0.1 g/l urea and sodium nitrate as nitrogen source in nutrient medium. The light intensities used were 100 μmol ms and 135 μmol ms. The results indicated maximum lipid productivity of 0.103 g/d.l in BG11 medium with 0.1g/l sodium nitra...
Asparaginases are the cornerstone therapy of many successful combination regimens for the treatment of acute lymphoblastic leukemia (ALL), the most common malignancy in children and adolescents. The aim of this work was to produce recombinant Erwinia carotovora L-asparaginase II in Escherichia coli fed-batch cultures. Using a robust fed-batch technique with pre-determined exponential feeding ra...
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