| Bioreactor design for tissue engineering R Pörtner, S Nagel-Heyer, C Goepfert, P Adamietz, NM Meenen Journal of bioscience and bioengineering 100 (3), 235-245, 2005 | 420 | 2005 |
| Modelling hybridoma cell growth and metabolism—a comparison of selected models and data R Pörtner, T Schäfer Journal of biotechnology 49 (1-3), 119-135, 1996 | 138 | 1996 |
| Cell and tissue reaction engineering R Eibl, D Eibl, R Pörtner, G Catapano, P Czermak Springer Science & Business Media, 2008 | 136 | 2008 |
| Future aspects of bioprocess monitoring T Becker, B Hitzmann, K Muffler, R Pörtner, KF Reardon, F Stahl, R Ulber White biotechnology, 249-293, 2007 | 111 | 2007 |
| Experimental and theoretical considerations on oxygen supply for animal cell growth in fixed-bed reactors D Fassnacht, R Pörtner Journal of biotechnology 72 (3), 169-184, 1999 | 104 | 1999 |
| Model-assisted design of experiments as a concept for knowledge-based bioprocess development J Möller, KB Kuchemüller, T Steinmetz, KS Koopmann, R Pörtner Bioprocess and biosystems engineering 42, 867-882, 2019 | 86 | 2019 |
| Impact of collagen crosslinking on the second harmonic generation signal and the fluorescence lifetime of collagen autofluorescence V Lutz, M Sattler, S Gallinat, H Wenck, R Poertner, F Fischer Skin Research and Technology 18 (2), 168-179, 2012 | 81 | 2012 |
| Model-based tools for optimal experiments in bioprocess engineering V Abt, T Barz, MN Cruz-Bournazou, C Herwig, P Kroll, J Möller, R Pörtner, ... Current opinion in chemical engineering 22, 244-252, 2018 | 80 | 2018 |
| Dialysis cultures R Pörtner, H Märkl Applied microbiology and biotechnology 50, 403-414, 1998 | 79 | 1998 |
| Improvement of a mammalian cell culture process by adaptive, model-based dialysis fed-batch cultivation and suppression of apoptosis B Frahm, P Lane, H Märkl, R Pörtner Bioprocess and Biosystems Engineering 26, 1-10, 2003 | 78 | 2003 |
| Determination of dissolved CO2 concentration and CO2 production rate of mammalian cell suspension culture based on off-gas measurement B Frahm, HC Blank, P Cornand, W Oelßner, U Guth, P Lane, A Munack, ... Journal of biotechnology 99 (2), 133-148, 2002 | 75 | 2002 |
| Expansion and harvesting of hMSC-TERT C Weber, S Pohl, R Pörtner, C Wallrapp, M Kassem, P Geigle, P Czermak The Open Biomedical Engineering Journal 1, 38, 2007 | 74 | 2007 |
| Expansion of human mesenchymal stem cells in a fixed-bed bioreactor system based on non-porous glass carrier–part A: inoculation, cultivation, and cell harvest procedures C Weber, D Freimark, R PöRtner, P Pino-Grace, S Pohl, C Wallrapp, ... The International journal of artificial organs 33 (8), 512-525, 2010 | 73 | 2010 |
| Redifferentiation of chondrocytes and cartilage formation under intermittent hydrostatic pressure J Heyland, K Wiegandt, C Goepfert, S Nagel-Heyer, E Ilinich, ... Biotechnology letters 28, 1641-1648, 2006 | 73 | 2006 |
| Regulated overexpression of the survival factor bcl-2 in CHO cells increases viable cell density in batch culture and decreases DNA release in extended fixed-bed … M Fussenegger, D Fassnacht, R Schwartz, JA Zanghi, M Graf, JE Bailey, ... Cytotechnology 32, 45-61, 2000 | 72 | 2000 |
| Adaptive, model‐based control by the open‐loop‐feedback‐optimal (OLFO) controller for the effective fed‐batch cultivation of hybridoma cells B Frahm, P Lane, H Atzert, A Munack, M Hoffmann, VC Hass, R Pörtner Biotechnology progress 18 (5), 1095-1103, 2002 | 67 | 2002 |
| Mass production of mesenchymal stem cells—impact of bioreactor design and flow conditions on proliferation and differentiation V Jossen, R Pörtner, SC Kaiser, M Kraume, D Eibl, R Eibl Cells and biomaterials in regenerative medicine 2014, 2014 | 66 | 2014 |
| Bioreactor design and scale-up R Eibl, D Eibl, R Pörtner, G Catapano, P Czermak, G Catapano, ... Cell and Tissue Reaction Engineering: With a Contribution by Martin …, 2009 | 66 | 2009 |
| Theoretical and practical issues that are relevant when scaling up hMSC microcarrier production processes V Jossen, C Schirmer, D Mostafa Sindi, R Eibl, M Kraume, R Pörtner, ... Stem cells international 2016 (1), 4760414, 2016 | 65 | 2016 |
| Animal cell biotechnology: methods and protocols R Pörtner Springer Science & Business Media, 2007 | 60 | 2007 |
