Xu-bo Yuan, Ph.D., is a nanoparticles (drug and gene delivery) researcher in Tianjin University, China. Dr. Yuan graduated from the Beijing Institute of Science & Technology in 1989 with a degree in Chemical Engineering. He received his M.S. and Ph.D. from Tianjin University in 1995 and 2001, respectively. After doing his poster doctoral work at Institute of Polymer Chemistry, Nankai University, he was an associate professor at Tianjin University, and a visiting scientist in the Department of Chemistry and Biomolecular Engineering at the University of California, Los Angeles. He is currently the professor working on the co-delivery of chemotherapeutant and miRNA in Tianjin University.