5月31日化材学院寿恒讲堂第66讲预告

　　主题：Recent Advances and Open Questions in Microrobotics for Biomedical Applications
　　讲座人：Prof. Li Zhang (张立), Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong
　　时间：2013年05月31日 （周5）下午 13: 30–15: 00
　　地点：存中10楼报告厅
　　主讲人简介：
　　Li Zhang is an Assistant Professor in the Department of Mechanical and Automation Engineering and an associate faculty member in Biomedical Engineering Programme at The Chinese University of Hong Kong. He received the Ph.D. degree from the University of Basel, Basel, Switzerland, in 2007. He joined the Institute of Robotics and Intelligent Systems (IRIS), Swiss Federal Institute of Technology (ETH) Zurich, Switzerland as a postdoctoral fellow in 2007, and as a senior scientist from 2009 to 2012. His main research interests include micro-/nanofabrication, micro-/nanomachines and their biomedical applications, nanotechnology, microfluidics, nanorobotic manipulation and self-assembly, and nanomaterials for energy storage and environmental applications. Dr. Zhang is a senior member of IEEE and a member of MRS. Since 2004 he has authored and co-authored over 60 peer-reviewed papers, including Nano Letters, Advanced Materials, ACS Nano, Nanomedicine, Lab Chip, Nanoscale, Journal of Power Sources, Carbon, PCCP, JMEMS, IJRR and his research achievements were highlighted four times in Nature and Science, and several times as covers. He currently serves as an Associate Editor for the “Micro-/Nanorobotics” of International Journal of Advanced Robotic Systems.
    
　　讲座摘要:
　　Medical microrobots have the potential to revolutionize minimally invasive medical tasks, particularly for difficult-toreach locations inside the human body. Key technological hurdles to overcome are the development of methods for delivering energy to microrobots and the development of locomotion techniques. Among various approaches for powering wirelessly controlled microrobots, magnetic field actuation is promising for in vivo applications, because magnetic fields can be harmless to living cells and biological tissue. For the development of locomotion strategies, nature provides guidance. In this talk, I will present artificial bacterial flagella (ABFs), helical swimming microrobots, with comparable dimensions to their natural counterparts. The ABFs are capable of 3D locomotion in fluid using a low-strength rotating magnetic field. The most recently developed ABFs exhibit excellent swimming behavior, low cytotoxicity, and are functionalized by florescence dye-labeled liposomes for targeted drug delivery. Specifically, I will discuss about the recent advances of helical swimming microrobots from three different aspects: morphology, materials and functionalities.