AUTHOR=Huh Seong , Kim Youngmee , Lü Jian , Užarević Krunoslav , Yan Yong TITLE=Editorial: Functional Metal-Organic Frameworks: Gas Sorption, Separation, and Heterogeneous Catalysis JOURNAL=Frontiers in Materials VOLUME=6 YEAR=2019 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2019.00326 DOI=10.3389/fmats.2019.00326 ISSN=2296-8016