AUTHOR= TITLE=Retraction: Disposable polymeric nanostructured plasmonic biosensors for cell culture adhesion monitoring JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2025.1581078 DOI=10.3389/fbioe.2025.1581078 ISSN=2296-4185