报告人： 许磊
主持人： 董文飞
报告时间：2015年03月3日（星期二）下午3：00
报告地点：A3行政综合楼516会议室
报告摘要：Studies have shown emerging evidence that rupture of coronary plaque- containing a lipid-rich core with subsequent thrombus formation is the most frequent mechanism by which atherosclerosis leads to the acute ischemic syndromes of unstable angina, acute myocardial infarction, and often times, sudden cardiac death. However, since the lumen is not significantly blocked in these cases, such “vulnerable” plaques show noncritical stenosis in X-ray angiography and Intravascular Ultrasound (IVUS), tools currently available to diagnose coronary artery disease. The ability to distinguish such rupture-prone vulnerable plaques remains largely lacking. Therefore it is of great clinical interest to find improved diagnostic techniques to identify and localize such rupture-prone plaques. On the other hand, lipid has significantly lower electrical impedance than the rest of the vessel components in certain frequency bands. It is shown in this talk that electrical impedance spectroscopy (EIS) and electrical impedance tomography (EIT) technique can be useful to effectively distinguish plaques with such lipid cores.
报告人简历：Lei Xu, Ph. D, visiting research associate at California Institute of Technology. Dr. Xu received the B.S. degree in electronic and information engineering from Anhui Normal University, Wuhu, China, in 2007, and the Ph.D degree from Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China, in 2012. Then he joined East China Research Institute of Electronic Engineering as an engineer. Currently he is a visiting research associate at Caltech MEMS Lab. His research interests are MEMS gas sensors and medical devices. Some research results have been published in journals (Scientific Reports, JMEMS, IEEE EDL, IEEE Sensors) and conferences (IMCS, Transducers, and NEMS). He has 8 granted patents, some of which have already been used in industries.
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科研管理处
2015年03月03日
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