AUTHOR=Feng Qian , Zhang Kunyu , Yang Boguang , Yu Yongsheng TITLE=Editorial: Biomedical applications of natural polymers JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2022.1077823 DOI=10.3389/fbioe.2022.1077823 ISSN=2296-4185