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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Phenotyping of mesenchymal stem cells before and after six days of cultivation under (A) 21% and (B) 5% O2 in a continuously stirred tank reactor. Light gray areas indicate the isotype control, dark grey areas indicate the phenotype.