Zhen Chen, Ph.D. As the first or corresponding author, he has published 6 SCI papers in international journals, including Bioactive Materials (IF: 23.6), Carbohydrate Polymers (IF: 13.2) and Cancer Letters (IF: 11.8). His current research interests include biomaterials, immunomodulation, tissue regeneration, and tumor immunology in oral and maxillofacial diseases.