Chen and He are research partners. Chen of Fudan University formed a research group. Rev, used to comment: macromolecular biomaterials based on sugar, so they become research partners. So Chen He is a research partner. Fudan University, referred to as Fudan for short, is located in Shanghai, China. Directly under the Ministry of Education of People's Republic of China (PRC), it is directly managed by the central government and compiled by the deputy ministerial level. National "Double First-class" (Class A), "985 Project" and "2 1 1 Project" University Construction.