Dr. Yuan has extensive experiences in analysis of therapeutic agent transport in mammalian cells, tissues, and organs, and development of effective strategies, design principles, and new technologies that can be used to facilitate the transport. The goal of his research is to improve delivery of therapeutic agents to their targets, which is crucial in treatment and prevention of diseases. He has published >100 scientific papers in peer-reviewed journals, and a textbook on transport analysis in biological systems that has been used to teach undergraduate and graduate courses in many universities.