Search Results - "Stockar, U. von"

Packed-bed bioreactors for mammalian cell culture: Bioprocess and biomedical applications by Meuwly, F., Ruffieux, P.-A., Kadouri, A., von Stockar, U.

“…This article describes the development history of packed-bed bioreactors (PBRs) used for the culture of mammalian cells. It further reviews the current…”
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Does microbial life always feed on negative entropy? Thermodynamic analysis of microbial growth by von Stockar, U., Liu, J.-S.

“…Schrödinger stated in his landmark book, What is Life?, that life feeds on negative entropy. In this contribution, the validity of this statement is discussed…”
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A comparison of various Gibbs energy dissipation correlations for predicting microbial growth yields by Liu, J.-S., Vojinović, V., Patiño, R., Maskow, Th, von Stockar, U.

“…Thermodynamic analysis may be applied in order to predict microbial growth yields roughly, based on an empirical correlation of the Gibbs energy of the overall…”
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Characterization of an encapsulation device for the production of monodisperse alginate beads for cell immobilization by Serp, D., Cantana, E., Heinzen, C., Von Stockar, U., Marison, I. W.

“…An encapsulation device, designed on the basis of the laminar jet break‐up technique, is characterized for cell immobilization with different types of…”
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Novel type of in situ extraction: Use of solvent containing microcapsules for the bioconversion of 2-phenylethanol from L-phenylalanine by Saccharomyces cerevisiae by Stark, D., Kornmann, H., Münch, T., Sonnleitner, B., Marison, I. W., von Stockar, U.

“…A novel in situ product removal (ISPR) method that uses microcapsules to extract inhibitory products from the reaction suspension is introduced into…”
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Optimal operation of fed-batch fermentations via adaptive control of overflow metabolite by Valentinotti, S., Srinivasan, B., Holmberg, U., Bonvin, D., Cannizzaro, C., Rhiel, M., von Stockar, U.

“…The maximization of biomass productivity in the fed-batch fermentation of Saccharomyces cerevisiae is analyzed. Due to metabolic bottleneck, often attributed…”
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Enhancement of 2-phenylethanol productivity by Saccharomyces cerevisiae in two-phase fed-batch fermentations using solvent immobilization by Serp, D., von Stockar, U., Marison, I. W.

“…The bioconversion of L‐phenylalanine to 2‐phenylethanol by Saccharomyces cerevisiae in fed‐batch experiments has shown that concentrations of 2‐phenylethanol…”
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Inhibition aspects of the bioconversion of l-phenylalanine to 2-phenylethanol by Saccharomyces cerevisiae by Stark, D., Zala, D., Münch, T., Sonnleitner, B., Marison, I.W., von Stockar, U.

“…The inhibitory impacts of the bioconversion of l-phenylalanine ( l-Phe) to 2-phenylethanol (PEA), a very important natural aroma compound, on the metabolism of…”
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On-line determination of animal cell concentration in two industrial high-density culture processes by dielectric spectroscopy by Ducommun, P., Kadouri, A., von Stockar, U., Marison, I. W.

“…Dielectric spectroscopy was applied to two industrial high cell density culture processes and used to determine on‐line the concentration of CHO cells…”
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novel approach for the extraction of herbicides and pesticides from water using liquid-core microcapsules by Wyss, A, Cordente, N, Stockar, U. von, Marison, I.W

“…A novel perstraction system using liquid-core microcapsules for pesticide and herbicide removal from aqueous environments is proposed. The microcapsules…”
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Low-temperature electron microscopy for the study of polysaccharide ultrastructures in hydrogels. II. Effect of temperature on the structure of Ca2+-alginate beads by Serp, D., Mueller, M., von Stockar, U., Marison, I. W.

“…Calcium alginate beads were thermally treated at temperatures ranging from 25°C to 130°C for periods of up to 30 minutes. Important modifications to the…”
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Novel reactive perstraction system applied to the hydrolysis of penicillin G by Wyss, A., Seitert, H., von Stockar, U., Marison, I.W.

“…The activity of penicillin acylase has been studied in aqueous and organic solvents, as free enzyme as well as immobilized within the membrane of liquid‐core…”
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Conversion of a CHO cell culture process from perfusion to fed-batch technology without altering product quality by Meuwly, F., Weber, U., Ziegler, T., Gervais, A., Mastrangeli, R., Crisci, C., Rossi, M., Bernard, A., von Stockar, U., Kadouri, A.

“…During the development of a new drug product, it is a common strategy to develop a first-generation process with the aim to rapidly produce material for…”
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novel reactive perstraction system based on liquid-core microcapsules applied to lipase-catalyzed biotransformations by Wyss, A, Stockar, U. von, Marison, I.W

“…A novel reactive perstraction system has been developed based on liquid-core capsules, involving an enzyme-catalyzed reaction coupled with simultaneous in situ…”
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Development of a large-scale biocalorimeter to monitor and control bioprocesses by Voisard, D., Pugeaud, P., Kumar, A. R., Jenny, K., Jayaraman, K., Marison, I. W., von Stockar, U.

“…Calorimetry has shown real potential at bench‐scale for chemical and biochemical processes. The aim of this work was therefore to scale‐up the system by…”
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Immobilization of rapeseed press-cake in an alginate matrix for the sorption of atrazine by Breguet, V., Boucher, J., Pesquet, F., Vojinovic, V., von Stockar, U., Marison, I.W.

“…Due to residual oil retained within it, rapeseed press-cake has been shown to be effective for the removal of atrazine from water through an absorption…”
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Monitoring of temperature effects on animal cell metabolism in a packed bed process by Ducommun, P., Ruffieux, P.-A., Kadouri, A., von Stockar, U., Marison, I. W.

“…Animal cell (Chinese Hamster Ovary) concentration was determined on‐line in a packed bed process using dielectric spectroscopy. This enabled the evaluation of…”
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Quantitative study of the production and properties of alginate/poly-L-lysine microcapsules by Gugerli, R., Cantana, E., Heinzen, C., Stockar, U. von, Marison, I. W.

“…Alginate-polylysine-alginate (APA) microcapsules are of particular interest for their application as implants or for bioreactor cultures. Although their…”
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Quantitative calorimetric investigation of fed-batch cultures of Bacillus sphaericus 1593M by Voisard, D., von Stockar, U., Marison, I.W.

“…For many years, calorimetry has been recognized as a powerful and universal tool for monitoring chemical and biological processes. A laboratory-scale reaction…”
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Microbial growth by a net heat up-take: A calorimetric and thermodynamic study on acetotrophic methanogenesis by Methanosarcina barkeri by Liu, J.-S., Marison, I. W., von Stockar, U.

“…To answer the intriguing question whether or not endothermic microbial growth exists, and in particular, to verify Heijnen and van Dijken's prediction (1992),…”
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