AUTHOR=Ma Cheng , Zheng Tingting , Zhang Renyun , Zhu Jun-Jie TITLE=Editorial: Optical and electrochemical biosensing JOURNAL=Frontiers in Chemistry VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2022.964825 DOI=10.3389/fchem.2022.964825 ISSN=2296-2646