AUTHOR=Li Zheng , Wei Qingshan , Han Jinsong TITLE=Editorial: Array-Based Sensing Techniques for Clinical, Agricultural Biotechnology, and Environmental Analysis JOURNAL=Frontiers in Chemistry VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2021.654707 DOI=10.3389/fchem.2021.654707 ISSN=2296-2646