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Biotechnology Journal|September 17, 2013
The in-line measurement of plant cell biomass using radio frequency impedance spectroscopy as a component of process analytical technologyTanja Holland, Daniel Blessing, Stephan Hellwig, et al.
Journal of Biotechnology|March 15, 2006
Towards industrial usefulness - cryo-cell-banking of transgenic BY-2 cell culturesKathrin Schmale, Thomas Rademacher, Rainer Fischer, et al.
Nature Biotechnology|November 6, 2004
Plant cell cultures for the production of recombinant proteinsStephan Hellwig, Jürgen Drossard, Richard M Twyman, et al.
Biotechnology Advances|August 23, 2011
GMP issues for recombinant plant-derived pharmaceutical proteinsRainer Fischer, Stefan Schillberg, Stephan Hellwig, et al.
Biotechnology Journal|December 4, 2015
Polyclonal antibodies for specific detection of tobacco host cell proteins can be efficiently generated following RuBisCO depletion and the removal of endotoxinsZulfaquar Ahmad Arfi, Stephan Hellwig, Jürgen Drossard, et al.
FEMS Yeast Research|July 10, 2007
Increase of calnexin gene dosage boosts the secretion of heterologous proteins by Hansenula polymorphaJens Klabunde, Sebastian Kleebank, Michael Piontek, et al.
Journal of Bioscience and Bioengineering|October 20, 2005
Necessity of a two-stage process for the production of azadirachtin-related limonoids in suspension cultures of Azadirachta indicaKeyur N Raval, Stephan Hellwig, Gunjan Prakash, et al.
Plant Biotechnology Journal|July 28, 2015
From gene to harvest: insights into upstream process development for the GMP production of a monoclonal antibody in transgenic tobacco plantsMarkus Sack, Thomas Rademacher, Holger Spiegel, et al.
Scientific Reports|September 22, 2017
Improvement of a fermentation process for the production of two PfAMA1-DiCo-based malaria vaccine candidates in Pichia pastorisRobin Kastilan, Alexander Boes, Holger Spiegel, et al.
Plos One|October 4, 2016
Production, Quality Control, Stability and Pharmacotoxicity of a Malaria Vaccine Comprising Three Highly Similar PfAMA1 Protein Molecules to Overcome Antigenic VariationBart W Faber, Stephan Hellwig, Sophie Houard, et al.
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