You can find the publications of Prof. Pörtner at google scholar.

-----------------------------------------------------------------------------------------------------------

• Marx U, Pörtner R, Graf-Hausner U: Von regenerativer Medizin zu aussagekräftiger In-vitro-Substanztestung - Humanes Tissue Engineering in Deutschland und der Schweiz. DECHEMA aktuell 2015, 1, No. 5, 4-5
  
  
  
• Pörtner R, Goepfert C, Schirmer C, Hsu HH, Blum G, Voigt M, Rapoport DH: Reaktionstechnische Charakterisierung von Bioreaktoren für die regenerative Medizin. Tagungsband 18. Heiligenstädter Kolloquium. Heiligenstadt, 19.-21.9.2016, pp. 575-582, ISBN 978-3-00-054165-0
  
  
  
• Blume G, Mielke G, Goepfert C, Trieu HK, Pörtner R: Sensoren für kontinuierliche Messungen in 3D-Zellkulturen. Tagungsband 18. Heiligenstädter Kolloquium. Heiligenstadt, 19.-21.9.2016, pp. 597-602, ISBN 978-3-00-054165-0
  
  
  
• 4. Meusel, W.; Löffelholz, C.; Husemann, C.; Dreher, T.; Greller, G.; Kauling, J.; Eibl, D.; Kleebank, S.; Bauer, I.; Glöckler, R.; Huber, P.; Kuhlmann, W.; John, G.T.; Werner, S.; Kaiser, S.C.; Pörtner, R.; Kraume, M.: Recommendations for process engineering characterisation of single-use bioreactors and mixing systems by using experimental methods. DECHEMA, 2016, ISBN: 978-3-89746-171-0, dechema.de/dechema_media/SingleUse_ProcessEngineeringCaracterisation_2016-p-20001485.pdf
  
  
  
• Möller J, Koopmann K, Lechner K, Giehring S, Pörtner R: Optimizing cell culture processes with PAIA IgG quantification assays. Application note PAIA Biotech GmbH. 2018 paiabio.com/resources
  
  
  
• Möller J, Pörtner R (2018) Streamlining Drug Delivery – Modelling. bio-pharmaceuticals. Impact, in press
  
  
  

• Pörtner, R. (ed.): Animal Cell Biotechnology – Methods and Protocols, 3rd Edition. Series: Methods in Molecular Biology, Vol. 1104, 3rd ed. 2014, Humana Press dx.doi.org/10.1007/978-1-62703-733-4
  
  
  

• Druzinec D, Weiss K, Elseberg Ch, Salzig D, Kraume M, Pörtner R, Czermak P: Process Analytical Technology (PAT) in Insect and Mammalian Cell Culture Processes: Dielectric Spectroscopy and Focused Beam Reflectance Measurement (FBRM). In: Pörtner, R. (ed.): Animal Cell Biotechnology – Methods and Protocols. 3rd edition, Humana Press (2014)
  
  
  
• Jossen V, Pörtner R, Kaiser St C, Kraume M, Eibl D, Eibl R: Mass Production of Mesenchymal Stem Cells – Impact of Bioreactor Design and Flow Conditions on Proliferation and Differentiation. In: Eberli D (ed.) "Cells and Biomaterials in Regenerative Medicine", InTech (2014), ISBN 978-953-51-4114-3
  
  
  
• Pörtner R: Bioreactors for mammalian cells (2015) In: M. Al-Rubeai (ed.), Animal Cell Culture, Cell Engineering 9, Springer, DOI 10.1007/978-3-319-10320-4_4
  
  
  
• Pörtner R, Faschian R, Goelling D: Fermentation of lactic acid bacteria: state of the art and new perspectives. In: Hilterhaus L, Liese A, Kettling U, Antranikian G (Eds): Applied Biocatalysis. From fundamental Science to Industrial Applications. Wiley-VCH Verlag GmbH, Weinheim (2016), ISBN 978-3-527-33669-2
  
  
  
• Jossen V, Eibl R, Pörtner R, Kraume M, Eibl D: Stirred bioreactors – Current state and developments, with special emphasis on biopharmaceutical production processes. In: Ch. Larroche, M.A. Sanroman, G. Du, A. Pandey (eds.): Current Developments in Biotechnology and Bioengineering, 1st Edition, Bioprocesses, Bioreactors and Controls. Elsevier, ISBN 978-0-444-63663-8 (2016)
  
  
  
• Pörtner R, Platas OB, Frahm B, Hass VC: Advanced process and control strategies for bioreactors. In: Ch. Larroche, M.A. Sanroman, G. Du, A. Pandey (eds.): Current Developments in Biotechnology and Bioengineering, 1st Edition, Bioprocesses, Bioreactors and Controls. Elsevier, ISBN 978-0-444-63663-8 (2016)
  
  
  
• Pörtner R, Jandt U, Zeng AP: Cell Culture Technology. In: C. Wittmann, J.C. Liao (eds.): Industrial Biotechnology: Products and Processes. Wiley, DOI: 10.1002/9783527807833.ch4 (2017)
  
  
  
• Möller J, Pörtner R: Model-based design of process strategies for cell culture bioprocesses – state-of-the-art and new perspectives. In: S. Gowder (ed.): “New Insights in Cell Culture Technology", InTech (2017), ISBN 978-953-51-3133-5
  
  
  
• Pörtner R, Shreemanta KP, Schaffer C, Hoffmeister H (2018) Landscape of Manufacturing Process of ATMP Cell Therapy Products for Unmet Clinical Needs. In: “Stem Cells and Tissue Engineering”, Intechopen: www.intechopen.com/books/stem-cells-in-clinical-practice-and-tissue-engineering/landscape-of-manufacturing-process-of-atmp-cell-therapy-products-for-unmet-clinical-needs
  
  
  
• Hsu HH, Schimek K, Marx U, Pörtner R (2018) Measurement and Simulation of Permeation and Diffusion in 3D Tissues with the Prospective to Characterize Skin Models. In: L Dobrzanski (ed) "Biomaterials in Regenerative Medicine", ISBN 978-953-51-3777-1
  
  
  
• Schirmer C, Nussbaumer T, Schöb R, Pörtner R, Eibl R, Eibl D (2018) Development, engineering and biological characterization of stirred tank bioreactors. Intech Open, www.intechopen.com/books/biopharmaceuticals/development-engineering-and-biological-characterization-of-stirred-tank-bioreactorsbioreactors