Prof. Xiangchun Xuan:Microfluidic Manipulation of Particles and Cells

发布者:发布时间:2015-07-03浏览次数:2411

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本期学术论坛由Clemson UniversityXiangchun Xuan (宣向春)教授主讲


题目:Microfluidic Manipulation of Particles and Cells

报告人:Prof. Xiangchun Xuan (宣向春)

时间:201579星期四 10:00-11:30

地点:南高厅


报告摘要:

Precise and effective manipulation (e.g., focusing, enrichment and sorting) of particles and cells is critical in many chemical, biomedical and environmental applications. This can be achieved in microfluidic devices by an externally imposed force field, which ranges from the ubiquitous gravity to electric, acoustic, optic and magnetic forces etc. Among this type of active approaches, electric particle (both biological and synthetic) control relies on electrokinetic phenomena and dielectrophoresis where the former pumps the particle solution via fluid electroosmosis and/or particle electrophoresis while the latter directs particles along or against electric field gradients; magnetic particle control is based on magnetophoresis which is able to deflect particles either along or against magnetic field gradients. Microfluidic particle manipulation can also be implemented by the use of an internally induced force field such as lift force. In this talk I will present the fundamental and applied studies completed and on-going in my group on electric field, magnetic field, and lift force-based particle and cell manipulations in microfluidic devices. Specifically I will talk about our results on particle and cell handling using reservoir-based dielectrophoresis (rDEP) and curvature-induced dielectrophoresis (C-iDEP) as well as diamagnetic particle manipulation in ferrofluids. Moreover, I will present our recently published results on continuous particle separation via the inertial lift force in hydrodynamic flows, and the elastio-inertial lift force in viscoelastic flows.



报告人简介:Dr. Xuan is currently an Associate Professor of Mechanical Engineering at Clemson University. He received his PhD degree from the Department of Mechanical and Industrial Engineering at University of Toronto in 2006 and Bachelor of Engineering degree from University of Science and Technology of China in 1995. Dr. Xuan was a recipient of NSF CAREER award in 2012. His research interests cover micro/nanofluidics fundamentals and lab-on-a-chip applications. He has published over 90 articles in leading international journals with a total of over 3,000 citations and an h-index of 35 based on Google Scholar.

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