AUTHOR=Unzueta Ugutz , Sanchez Julieta M. , Garcia-Fruitós Elena , Seras-Franzoso Joaquin TITLE=Editorial: High added-value nanoparticles: Rethinking and recycling cell protein waste JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2022.1018014 DOI=10.3389/fbioe.2022.1018014 ISSN=2296-4185