Recently, Wei Zhao, aPhD student of Professor Chen Yongmei's research group of School of Science haspublished a research paper -- "Novel Biocompatible Polysaccharide-BasedSelf-Healing Hydrogel"--as inside back cover in Advanced FunctionalMaterials, which is an authoritative journal (2015, 25: 1352-1359). The factor of influence of this periodical in 2014 was 10.439.