AUTHOR=Chen Wansong , Zhang Jianhua , Wei Xiaoli TITLE=Editorial: Functional Nanomaterials for Cancer Diagnostics and Therapy JOURNAL=Frontiers in Chemistry VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2021.670410 DOI=10.3389/fchem.2021.670410 ISSN=2296-2646