Published by huib at 13/03/2026 On March 13, 2026, Hue University held the doctoral dissertation defense for PhD candidate Dang Ngoc Sang, a member of Cohort 4 (2021 intake) in Biology (Code: 9420101). His dissertation, entitled “Production and Bioactivity Evaluation of Gypenosides from Cell Cultures of Gynostemma pentaphyllum (Thunb.) Makino,” was conducted under the training program of the Hue University Institute of Biotechnology. The research was supervised by Associate Professor Dr. Tran Quoc Dung of the University of Education, Hue University, and Dr. Hoang Tan Quang of the Hue University Institute of Biotechnology.