73 Publikationen
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2021 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2957097Shankar, Ram, Schäffer, Nina, Schmeer, Marco, Friehs, Karl, Risse, Joe Max, and Schleef, Martin. “Recombinant expression of Barnase in Escherichia coli and its application in plasmid purification”. Microbial Cell Factories 20 (2021): 171.PUB | PDF | DOI | WoS | PubMed | Europe PMC
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2021 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2958416Luttermann, Tobias, Rückert, Christian, Wibberg, Daniel, Busche, Tobias, Schwarzhans, Jan-Philipp, Friehs, Karl, and Kalinowski, Jörn. “Establishment of a near-contiguous genome sequence of the citric acid producing yeast DSM 3286 with resolution of rDNA clusters and telomeres”. NAR Genomics and Bioinformatics 3.4 (2021): 13.PUB | PDF | DOI | WoS | PubMed | Europe PMC
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2021 | Patent | PUB-ID: 2965425Risse, Joe Max, Friehs, Karl, Wedde, Severin, Hahn, Martin, and Ludwig, Benjamin. “Expression of collagen peptide components in procaryotic systems”. (11.11.2021).PUB
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2021 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2957893Shankar, Ram, Schafer, Nina, Schmeer, Marco, Risse, Joe Max, Friehs, Karl, and Schleef, Martin. “Correction to: Recombinant expression of Barnase in Escherichia coli and its application in plasmid purifcation”. Microbial Cell Factories 20.1 (2021): 190.PUB | DOI | WoS | PubMed | Europe PMC
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2020 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2945772Heß, Marc, Bloess, Svenja, Risse, Joe Max, Friehs, Karl, and Fischer von Mollard, Gabriele. “Recombinant expression of an l-amino acid oxidase from the fungus Hebeloma cylindrosporum in Pichia pastoris including fermentation.”. MicrobiologyOpen 9.10 (2020): e1112.PUB | PDF | DOI | WoS | PubMed | Europe PMC
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2020 | Datenpublikation | PUB-ID: 2944932Heß, Marc, Bloess, Svenja, Risse, Joe Max, Friehs, Karl, and Fischer von Mollard, Gabriele. Data for 'Recombinant expression of an L-amino acid oxidase from the fungus Hebeloma cylindrosporum in Pichia pastoris including fermentation'. Bielefeld University, 2020.PUB | Dateien verfügbar | DOI
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2018 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2930505Kleiner-Grote, Gabriele, Risse, Joe Max, and Friehs, Karl. “Secretion of recombinant proteins from E. coli”. ENGINEERING IN LIFE SCIENCES 18.8 (2018): 532-550.PUB | DOI | WoS | PubMed | Europe PMC
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2017 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2910668Friehs, Karl, Schwarzhans, Jan Philipp, Luttermann, Tobias, Wibberg, Daniel, Winkler, Anika, Hübner, Wolfgang, Huser, Thomas, and Kalinowski, Jörn. “A Mitochondrial Autonomously Replicating Sequence from Pichia pastoris for Uniform High Level Recombinant Protein Production”. Frontiers in Microbiology 8 (2017): 780.PUB | PDF | DOI | WoS | PubMed | Europe PMC
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2017 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2916444Schwarzhans, Jan Philipp, Luttermann, Tobias, Geier, Martina, Kalinowski, Jörn, and Friehs, Karl. “Towards systems metabolic engineering in Pichia pastoris”. BIOTECHNOLOGY ADVANCES 35.6 (2017): 681-710.PUB | DOI | WoS | PubMed | Europe PMC
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2017 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2908307Perez, Fernando, Risse, Joe Max, Friehs, Karl, and Wendisch, Volker F. “Fermentative production of L-pipecolic acid from glucose and alternative carbon sources”. Biotechnology Journal 12.7 (2017): 1600646.PUB | DOI | WoS | PubMed | Europe PMC
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2016 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2903655Schwarzhans, Jan Philipp, Wibberg, Daniel, Winkler, Anika, Luttermann, Tobias, Kalinowski, Jörn, and Friehs, Karl. “Integration event induced changes in recombinant protein productivity in Pichia pastoris discovered by whole genome sequencing and derived vector optimization”. Microbial Cell Factories 15.1 (2016): 84.PUB | PDF | DOI | WoS | PubMed | Europe PMC
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2016 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2907679Schwarzhans, Jan Philipp, Wibberg, Daniel, Winkler, Anika, Luttermann, Tobias, Kalinowski, Jörn, and Friehs, Karl. “Non-canonical integration events in Pichia pastoris encountered during standard transformation analysed with genome sequencing”. Scientific Reports 6.1 (2016): 38952.PUB | PDF | DOI | WoS | PubMed | Europe PMC
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2016 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2903023Wetzel, David, Müller, Jakob, Flaschel, Erwin, Friehs, Karl, and Risse, Joe Max. “Fed-batch production and secretion of streptavidin by Hansenula polymorpha: Evaluation of genetic factors and bioprocess development”. JOURNAL OF BIOTECHNOLOGY 225 (2016): 3-9.PUB | DOI | WoS | PubMed | Europe PMC
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2016 | Zeitschriftenaufsatz | E-Veröff. vor dem Druck | PUB-ID: 2906700Holtmann, Dirk, Vernen, Felicitas, Müller, Jakob, Kaden, Dennis, Risse, Joe Max, Friehs, Karl, Dähne, Lars, Stratmann, Ansgar, and Schrader, Jens. “Effects of particle addition to Streptomyces cultivations to optimize the production of actinorhodin and streptavidin”. Sustainable Chemistry and Pharmacy 5 (2016): 67-71.PUB | DOI | WoS
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2016 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2906197Müller, Jakob, Bruhn, Simon, Flaschel, Erwin, Friehs, Karl, and Risse, Joe Max. “GAP promoter-based fed-batch production of highly bioactive core streptavidin by Pichia pastoris”. BIOTECHNOLOGY PROGRESS 32.4 (2016): 855-864.PUB | DOI | WoS | PubMed | Europe PMC
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2016 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2900637Müller, Jakob, Wetzel, David, Flaschel, Erwin, Friehs, Karl, and Risse, Joe Max. “Constitutive production and efficient secretion of soluble full-length streptavidin by an Escherichia coli 'leaky mutant'”. Journal of Biotechnology 221 (2016): 91-100.PUB | DOI | WoS | PubMed | Europe PMC
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2015 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2767378Müller, Jakob, Risse, Joe Max, Friehs, Karl, and Flaschel, Erwin. “Model-based development of an assay for the rapid detection of biotin-blocked binding sites of streptavidin”. Engineering in Life Sciences 15.6 (2015): 627-639.PUB | DOI | WoS
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2015 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2759080Grimm, Philipp, Risse, Joe Max, Müller, Jakob, Cholewa, Dominik, Beshay, Usama, Friehs, Karl, and Flaschel, Erwin. “Applicability of Euglena gracilis for biorefineries demonstrated by the production of α-tocopherol and paramylon followed by anaerobic digestion”. Journal of Biotechnology 215 (2015): 72-79.PUB | DOI | WoS | PubMed | Europe PMC
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2015 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2722001Schwarzhans, Jan Philipp, Cholewa, Dominik, Grimm, Philipp, Beshay, Usama, Risse, Joe Max, Friehs, Karl, and Flaschel, Erwin. “Dependency of the fatty acid composition of Euglena gracilis on growth phase and culture conditions”. Journal of Applied Phycology 27.4 (2015): 1389-1399.PUB | DOI | WoS
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2014 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2679910Selvamani, Ram Shankar Velur, Telaar, Maurice, Friehs, Karl, and Flaschel, Erwin. “Antibiotic-free segregational plasmid stabilization in Escherichia coli owing to the knockout of triosephosphate isomerase (tpiA)”. Microbial Cell Factories 13.1 (2014): 58.PUB | PDF | DOI | WoS | PubMed | Europe PMC
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2014 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2675672Selvamani, Ram Shankar Velur, Friehs, Karl, and Flaschel, Erwin. “Extracellular recombinant protein production under continuous culture conditions with Escherichia coli using an alternative plasmid selection mechanism”. Bioprocess and Biosystems Engineering 37.3 (2014): 401-413.PUB | DOI | WoS | PubMed | Europe PMC
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2012 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2474324Santek, Bozidar, Friehs, Karl, Lotz, Martin, and Flaschel, Erwin. “Production of paramylon, a ss-1,3-glucan, by heterotrophic growth of Euglena gracilis on potato liquor in fed-batch and repeated-batch mode of cultivation”. Engineering in Life Sciences 12.1 (2012): 89-94.PUB | DOI | WoS
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2010 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 2401962Risse, Joe Max, and Friehs, Karl. “Sekretion und Affinitätschromatografie rekombinanter Proteine”. BIOspektrum 5 (2010): 550-552.PUB
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2010 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1796536Sommer, Benjamin, Friehs, Karl, and Flaschel, Erwin. “Efficient production of extracellular proteins with Escherichia coli by means of optimized coexpression of bacteriocin release proteins”. JOURNAL OF BIOTECHNOLOGY 145.4 (2010): 350-358.PUB | DOI | WoS | PubMed | Europe PMC
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2010 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1795042Santek, Bozidar, Felski, Michael, Friehs, Karl, Lotz, Martin, and Flaschel, Erwin. “Production of paramylon, a beta-1,3-glucan, by heterotrophic cultivation of Euglena gracilis on potato liquor”. ENGINEERING IN LIFE SCIENCES 10.2 (2010): NA.PUB | DOI | WoS
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2009 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1635287Santek, Bozidar, Felski, Michael, Friehs, Karl, Lotz, Martin, and Flaschel, Erwin. “Production of paramylon, a beta-1,3-glucan, by heterotrophic cultivation of Euglena gracilis on a synthetic medium”. ENGINEERING IN LIFE SCIENCES 9.1 (2009): 23-28.PUB | DOI | WoS
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2009 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1636091Beshay, Usama, Miksch, Gerd, Friehs, Karl, and Flaschel, Erwin. “Integrated bioprocess for the production and purification of recombinant proteins by affinity chromatography in Escherichia coli”. BIOPROCESS AND BIOSYSTEMS ENGINEERING 32.2 (2009): 149-158.PUB | DOI | WoS | PubMed | Europe PMC
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2009 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1634165Sommer, Benjamin, Friehs, Karl, Flaschel, Erwin, Reck, Michael, Stahl, Frank, and Scheper, Thomas. “Extracellular production and affinity purification of recombinant proteins with Escherichia coli using the versatility of the maltose binding protein”. JOURNAL OF BIOTECHNOLOGY 140.3-4 (2009): 194-202.PUB | DOI | WoS | PubMed | Europe PMC
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2008 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1585399Beshay, Usama, Friehs, Karl, and Flaschel, Erwin. “Growth of myxamoebae of the cellular slime mold Dictyostelium discoideum in suspension and immobilized form on living bacteria”. PROCESS BIOCHEMISTRY 43.11 (2008): 1281-1287.PUB | DOI | WoS
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2008 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1585611Wei, Ning, Flaschel, Erwin, Friehs, Karl, and Nattkemper, Tim Wilhelm. “A machine vision system for automated non-invasive assessment of cell viability via dark field microscopy, wavelet feature selection and classification”. BMC Bioinformatics 9.1 (2008): 449.PUB | PDF | DOI | WoS | PubMed | Europe PMC
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2008 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1587590Vijayendran, Chandran, Barsch, Aiko, Friehs, Karl, Niehaus, Karsten, Becker, Anke, and Flaschel, Erwin. “Perceiving molecular evolution processes in Escherichia coli by comprehensive metabolite and gene expression profiling”. GENOME BIOLOGY 9.4 (2008): R72.PUB | PDF | DOI | WoS | PubMed | Europe PMC
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2007 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1631667Vijayendran, Chandran, Burgemeister, Sebastian, Friehs, Karl, Niehaus, Karsten, and Flaschel, Erwin. “2DBase: 2D-PAGE database of Escherichia coli”. BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS 363.3 (2007): 822-827.PUB | PDF | DOI | WoS | PubMed | Europe PMC
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2007 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1594835Vijayendran, Chandran, Polen, Tino, Wendisch, Volker F., Friehs, Karl, Niehaus, Karsten, and Flaschel, Erwin. “The plasticity of global proteome and genome expression analyzed in closely related W3110 and MG1655 strains of a well-studied model organism, Escherichia coli-K12”. Journal of Biotechnology 128.4 (2007): 747-761.PUB | DOI | WoS | PubMed | Europe PMC
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2007 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1595739Wei, Ning, You, Jia, Friehs, Karl, Flaschel, Erwin, and Nattkemper, Tim Wilhelm. “In situ dark field microscopy for on-line monitoring of yeast cultures”. BIOTECHNOLOGY LETTERS 29.3 (2007): 373-378.PUB | DOI | WoS | PubMed | Europe PMC
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2007 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1593120Wei, Ning, You, Jia, Friehs, Karl, Flaschel, Erwin, and Nattkemper, Tim Wilhelm. “An in situ probe for on-line monitoring of cell density and viability on the basis of dark field microscopy in conjunction with image processing and supervised machine learning”. Biotechnology and Bioengineering 97.6 (2007): 1489-1500.PUB | DOI | WoS | PubMed | Europe PMC
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2007 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1593482Beshay, U., Miksch, Gerd, Friehs, Karl, and Flaschel, Erwin. “Improved beta-glucanase production by a recombinant Escherichia coli strain using a zinc-ion supplemented medium”. ENGINEERING IN LIFE SCIENCES 7.3 (2007): 253-258.PUB | DOI | WoS
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2007 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1631107Blaesen, Markus, Friehs, Karl, and Flaschel, Erwin. “Recycling of bacterial biomass in a process of L-threonine production by means of a recombinant strain of Escherichia coli”. JOURNAL OF BIOTECHNOLOGY 132.4 (2007): 431-437.PUB | DOI | WoS | PubMed | Europe PMC
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2007 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1631661Beshay, Usama, Miksch, Gerd, Friehs, Karl, and Flaschel, Erwin. “Increasing the secretion ability of the kil gene for recombinant proteins in Escherichia coli by using a strong stationary-phase promoter”. BIOTECHNOLOGY LETTERS 29.12 (2007): 1893-1901.PUB | DOI | WoS | PubMed | Europe PMC
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2006 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1600329Miksch, Gerd, Bettenworth, F, Friehs, Karl, Flaschel, Erwin, Saalbach, A, and Nattkemper, Tim Wilhelm. “A rapid reporter system using GFP as a reporter protein for identification and screening of synthetic stationary-phase promoters in Escherichia coli”. APPLIED MICROBIOLOGY AND BIOTECHNOLOGY 70.2 (2006): 229-236.PUB | DOI | WoS | PubMed | Europe PMC
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2006 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1597472Blaesen, M., Flaschel, Erwin, and Friehs, Karl. “Sustainable production: Recycling of bacterial biomass resulting from a fermentation process with Klebsiella planticola”. CHEMICAL AND BIOCHEMICAL ENGINEERING QUARTERLY 20.3 (2006): 263-268.PUB | WoS
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2005 | Kurzbeitrag Konferenz / Poster | PUB-ID: 2906664Polen, Tino, Wendisch, Volker F., Friehs, Karl, Niehaus, Karsten, Flaschel, Erwin, and Vijayendran, C. “The plasticity of global proteome and genome expression analysis in a well studied closely related model organism, Escherichia coli”. MOLECULAR & CELLULAR PROTEOMICS 4.8 (2005): S248-S248.PUB | WoS
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2005 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1604386Arndt, M, Kleist, S, Miksch, Gerd, Friehs, Karl, Flaschel, Erwin, Trierweiler, J, and Hitzmann, B. “A feedforward-feedback substrate controller based on a Kalman filter for a fed-batch cultivation of Escherichia coli producing phytase”. COMPUTERS & CHEMICAL ENGINEERING 29.5 (2005): 1113-1120.PUB | DOI | WoS
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2005 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1601074Miksch, Gerd, Bettenworth, F, Friehs, Karl, and Flaschel, Erwin. “The sequence upstream of the -10 consensus sequence modulates the strength and induction time of stationary-phase promoters in Escherichia coli”. APPLIED MICROBIOLOGY AND BIOTECHNOLOGY 69.3 (2005): 312-320.PUB | DOI | WoS | PubMed | Europe PMC
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2005 | Konferenzbeitrag | Veröffentlicht | PUB-ID: 1601848Miksch, Gerd, Bettenworth, F, Friehs, Karl, Flaschel, Erwin, Saalbach, A, Twellmann, Thorsten, and Nattkemper, Tim Wilhelm. “Libraries of synthetic stationary-phase and stress promoters as a tool for fine-tuning of expression of recombinant proteins in Escherichia coli”. Journal of Biotechnology. ELSEVIER SCIENCE BV, 2005.Vol. 120. JOURNAL OF BIOTECHNOLOGY. 25-37.PUB | DOI | WoS | PubMed | Europe PMC
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2005 | Kurzbeitrag Konferenz / Poster | Veröffentlicht | PUB-ID: 1601124Vijayendran, C., Polen, T., Wendisch, Volker, Friehs, Karl, Niehaus, Karsten, and Flaschel, Erwin. “The plasticity of global proteome and genome expression analysis in a well studied closely related model organism, Escherichia coli”. Molecular & Cellular Proteomics 4.8: Suppl. 1 (2005): S248.PUB | WoS
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2004 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1609051Voß, Carsten, Schmidt, T, Schleef, M, Friehs, Karl, and Flaschel, Erwin. “Effect of ammonium chloride on plasmid DNA production in high cell density batch culture for biopharmaceutical use”. JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY 79.1 (2004): 57-62.PUB | DOI | WoS
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2004 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1608382Lu, YH, Knol, JC, Linskens, MHK, Friehs, Karl, van Haastert, PJM, and Flaschel, Erwin. “Production of the soluble human Fas ligand by Dictyostelium discoideum cultivated on a synthetic medium”. JOURNAL OF BIOTECHNOLOGY 108.3 (2004): 243-251.PUB | DOI | WoS | PubMed | Europe PMC
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2004 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1606278Lu, YH, Knol, JC, Linskens, MHK, Friehs, Karl, van Haastert, PJM, and Flaschel, Erwin. “Cultivation of immobilized Dictyostelium discoideum for the production of soluble human Fas ligand”. APPLIED MICROBIOLOGY AND BIOTECHNOLOGY 65.5 (2004): 547-552.PUB | DOI | WoS | PubMed | Europe PMC
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2003 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1609437Beshay, U, Friehs, Karl, Azzam, AEM, and Flaschel, Erwin. “Analysis of the behaviour of Dictyostelium discoideum in immobilised state by means of continuous cultivation”. BIOPROCESS AND BIOSYSTEMS ENGINEERING 26.2 (2003): 117-122.PUB | DOI | WoS | PubMed | Europe PMC
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2003 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1609656Voß, Carsten, Schmidt, T, Schleef, M, Friehs, Karl, and Flaschel, Erwin. “Production of supercoiled multimeric plasmid DNA for biopharmaceutical application”. JOURNAL OF BIOTECHNOLOGY 105.3 (2003): 205-213.PUB | DOI | WoS | PubMed | Europe PMC
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2002 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1880734Schierl, F., Friehs, Karl, Risse, Joe Max, and Flaschel, Erwin. “Herstellung von Mediumskomponenten aus mikrobieller Biomasse”. Freiberger Forschungshefte A 866 (2002): 112-124.PUB
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2002 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1613472Miksch, Gerd, Kleist, S, Friehs, Karl, and Flaschel, Erwin. “Overexpression of the phytase from Escherichia coli and its extracellular production in bioreactors”. APPLIED MICROBIOLOGY AND BIOTECHNOLOGY 59.6 (2002): 685-694.PUB | DOI | WoS | PubMed | Europe PMC
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2001 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1880242Risse, Joe Max, Friehs, Karl, and Flaschel, Erwin. “Recycling of Biomass Resulting from Fermentation Processes with Bacillus licheniformis”. Chem. Eng. Technol. 24.10 (2001): 141-145.PUB
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1999 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1621612Schmidt, T, Friehs, Karl, Schleef, M, Voß, Carsten, and Flaschel, Erwin. “Quantitative analysis of plasmid forms by agarose and capillary gel electrophoresis”. ANALYTICAL BIOCHEMISTRY 274.2 (1999): 235-240.PUB | DOI | WoS | PubMed | Europe PMC
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1999 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1622862Miksch, Gerd, Neitzel, R, Friehs, Karl, and Flaschel, Erwin. “High-level expression of a recombinant protein in Klebsiella planticola owing to induced secretion into the culture medium”. APPLIED MICROBIOLOGY AND BIOTECHNOLOGY 51.5 (1999): 627-632.PUB | DOI | WoS | PubMed | Europe PMC
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1997 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1637759Miksch, Gerd, Neitzel, R, Fiedler, E, Friehs, Karl, and Flaschel, Erwin. “Extracellular production of a hybrid beta-glucanase from Bacillus by Escherichia coli under different cultivation conditions in shaking cultures and bioreactors”. APPLIED MICROBIOLOGY AND BIOTECHNOLOGY 47.2 (1997): 120-126.PUB | DOI | WoS | PubMed | Europe PMC
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1997 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1627108Poppenborg, L, Friehs, Karl, and Flaschel, Erwin. “The green fluorescent protein is a versatile reporter for bioprocess monitoring”. JOURNAL OF BIOTECHNOLOGY 58.2 (1997): 79-88.PUB | DOI | WoS | PubMed | Europe PMC
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1996 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1628395Schmidt, T, Friehs, Karl, and Flaschel, Erwin. “Rapid determination of plasmid copy number”. JOURNAL OF BIOTECHNOLOGY 49.1-3 (1996): 219-229.PUB | DOI | WoS | PubMed | Europe PMC
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1993 | Sammelwerksbeitrag | Veröffentlicht | PUB-ID: 1782559Reardon, K. F., and Friehs, Karl. “Parameters influencing the productivity of recombinant E. coli cultivations”. Bioprocess design and control. Ed. R. Aarts. Berlin [u.a.]: Springer, 1993. Advances in biochemical engineering, biotechnology ; 48. 53-77.PUB | PDF | PubMed | Europe PMC
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1991 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1782553Kumar, P. K. R., Maschke, H.-E., Friehs, Karl, and Schügerl, K. “Strategies for improving plasmid stability in genetically modified bacteria in bioreactors”. Trends in biotechnology 9.1 (1991): 279-284.PUB | PDF | DOI | WoS | PubMed | Europe PMC
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1986 | Zeitschriftenaufsatz | Veröffentlicht | PUB-ID: 1782542Friehs, Karl, Schörgendorfer, K., Schwab, H., and Lafferty, R. M. “Cloning and phenotypic expression in Escherichia coli of a Bacillus subtilis gene fragment coding for sucrose hydrolysis”. Journal of Biotechnology 3.5-6 (1986): 333-341.PUB | PDF | DOI | WoS