AUTHOR=Piotrowski Piotr , Witkowski Marcin , Brosseau Christa , Ozaki Yukihiro , Królikowska Agata TITLE=Editorial: Novel SERS-Active Materials and Substrates: Sensing and (Bio)applications JOURNAL=Frontiers in Chemistry VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2021.784735 DOI=10.3389/fchem.2021.784735 ISSN=2296-2646