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The Open Biomedical Engineering Journal|August 8, 2009
Improving in vitro generated cartilage-carrier-constructs by optimizing growth factor combinationKatharina Wiegandt, Christiane Goepfert, Ralf Pörtner
Biotechnology and Applied Biochemistry|July 24, 2004
Evaluation of selected control strategies for fed-batch cultures of a hybridoma cell lineRalf Pörtner, Jan-Oliver Schwabe, Björn Frahm
Engineering in Life Sciences|May 8, 2023
Design of cell expansion processes for adherent-growing cells with mDoE-workflowKim B Kuchemüller, Ralf Pörtner, Johannes Möller
Biotechnology Progress|February 9, 2024
Implementation of mDoE-methods to a microcarrier-based expansion processes for mesenchymal stem cellsKim B Kuchemüller, Ralf Pörtner, Johannes Möller
Methods in Molecular Biology (Clifton, N.J.)|December 21, 2019
Efficient Optimization of Process Strategies with Model-Assisted Design of ExperimentsKim B Kuchemüller, Ralf Pörtner, Johannes Möller
Advances in Biochemical Engineering/Biotechnology|August 16, 2020
Digital Twins and Their Role in Model-Assisted Design of ExperimentsKim B Kuchemüller, Ralf Pörtner, Johannes Möller
Biotechnology Journal|November 16, 2022
Comparison of mechanistic and hybrid modeling approaches for characterization of a CHO cultivation process: Requirements, pitfalls and solution pathsBenjamin Bayer, Mark Duerkop, Ralf Pörtner, et al.
Journal of Biotechnology|November 22, 2005
Experimental and modelling study of different process modes for retroviral production in a fixed bed reactorDirk Nehring, Roberto Gonzalez, Ralf Pörtner, et al.
ACS Biomaterials Science & Engineering|May 18, 2025
Hybrid Biological Hydrogel Provides Favorable Bioenergetic, Adhesive, and Antioxidative Effects on Wound HealingXinyi Zhang, Zhijuan Hu, Ralf Pörtner, et al.
Applied Microbiology and Biotechnology|March 2, 2021
An overview of drive systems and sealing types in stirred bioreactors used in biotechnological processesCedric Schirmer, Rüdiger W Maschke, Ralf Pörtner, et al.
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