Results 31 to 40 of about 111,398 (363)

PI-controlled bioreactor as a generalized Lienard system [PDF]

open access: yesComputers and Chem. Eng. 31 (2007) 136-141, 2005
It is shown that periodic orbits can occur in Cholette's bioreactor model working under the influence of a PI-controller. We find a diffeomorphic coordinate transformation that turns this controlled enzymatic reaction system into a generalized Lienard form.
arxiv   +1 more source

Operation of a Benchtop Bioreactor [PDF]

open access: yesJournal of Visualized Experiments, 2013
Fermentation systems are used to provide an optimal growth environment for many different types of cell cultures. The ability afforded by fermentors to carefully control temperature, pH, and dissolved oxygen concentrations in particular makes them essential to efficient large scale growth and expression of fermentation products. This video will briefly
Patrick J. Cummings   +2 more
openaire   +3 more sources

Effect of cytostatic drugs on the sludge and on the mixed liquor characteristics of a cross-flow membrane bioreactor: Consequence on the process [PDF]

open access: yes, 2010
The influence of cyclophosphamide and its principal metabolites (CPs) on the physicochemical properties of the mixed liquor of a cross-flow membrane bioreactor and the consequences for membrane fouling were investigated.
Albasi, Claire   +5 more
core   +1 more source

FLOCCULATION BIOREACTORS [PDF]

open access: yes, 2010
One of the main goals of bioprocess engineering is to increase the productivity of biotechnological processes and a vigorous progress has been observed in that field over the last decades. Fermentation based processes are not an exception and, in order to achieve those objectives, techniques such as the use of high cell density systems have been ...
Vicente, A. A.   +2 more
openaire   +2 more sources

Plant Bioreactors for Pharmaceuticals [PDF]

open access: yesBiotechnology and Genetic Engineering Reviews, 2008
Plant bioreactors are attractive expression systems for economic production of pharmaceuticals. Various plant expression systems or platforms have been tested with certain degrees of success over the past years. However, further development and improvement are needed for more effective plant bioreactors.
Liwen Jiang   +4 more
openaire   +3 more sources

Numerical study of substrate assimilation by a microorganism exposed to fluctuating concentration [PDF]

open access: yes, 2012
In most modelling works on bioreactors, the substrate assimilation is computed from the volume average concentration. The possible occurrence of a competition between the transport of substrate towards the cell and the assimilation at the cell level is ...
Fede, Pascal   +4 more
core   +2 more sources

Application of Data Modeling, Instrument Engineering and Nanomaterials in Selected Medid the Scientific Recinal Plant Tissue Culture

open access: yesPlants, 2023
At present, most precious compounds are still obtained by plant cultivation such as ginsenosides, glycyrrhizic acid, and paclitaxel, which cannot be easily obtained by artificial synthesis.
Baoyu Ji   +7 more
doaj   +1 more source

NEW GENERATION OF BIOREACTORS: THE BAREHOLE BIOREACTOR

open access: yes, 2023
Biogas reactors are a huge technical and technological installation that operates mainly as a result of the solar heat on earth and serves to produce biogas, but in areas where air temperatures are meant to vary (although in Uzbekistan, where there are four seasons), sunlight cannot heat the bioreactor enough during 12 months.
openaire   +1 more source

Time‐resolved multiparameter analytics on a cell‐free production platform for acyl‐CoA precursors

open access: yesAnalytical Science Advances, Volume 3, Issue 11-12, Page 289-296, December 2022., 2022
Abstract Cell‐free biosynthesis is emerging as a very attractive alternative for the production of market‐relevant molecules. The free combination of enzymes, regardless of where they are isolated from, raises the possibility to build more efficient synthetic routes but at the same time leads to higher complexity regarding the analysis of the different
Dominic Maehler   +7 more
wiley   +1 more source

Time Course Exo-Metabolomic Profiling in the Green Marine Macroalga Ulva (Chlorophyta) for Identification of Growth Phase-Dependent Biomarkers

open access: yesMarine Drugs, 2017
The marine green macroalga Ulva (Chlorophyta) lives in a mutualistic symbiosis with bacteria that influence growth, development, and morphogenesis. We surveyed changes in Ulva’s chemosphere, which was defined as a space where organisms interact with each
Taghreed Alsufyani   +2 more
doaj   +1 more source

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