Welcome to Xi's group.   Dr. Qiaobing Xu from Tufts University visited Tsinghua 　Jun. 7th, 2012, Dr. Qiaobing Xu from Tufts University, USA, visited our lab and gave a lecture about “Nanotechnology for drug delivery and tissue engineering”.     Xi's Group Tsinghua Chemistry Science Natrue ACS publications Wiley journal RSC journal Tsinghua University