AUTHOR= Frontiers Editorial Office TITLE=Expression of Concern: The expansion of lignocellulose biomass conversion into bioenergy via nanobiotechnology JOURNAL=Frontiers in Nanotechnology VOLUME=6 YEAR=2024 URL=https://www.frontiersin.org/journals/nanotechnology/articles/10.3389/fnano.2024.1450412 DOI=10.3389/fnano.2024.1450412 ISSN=2673-3013