AUTHOR=Rathore Anurag S. , Smales C. Mark , Guttman Andras TITLE=Editorial: Characterization of biotherapeutic products JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2022.993262 DOI=10.3389/fbioe.2022.993262 ISSN=2296-4185