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( 6月11日 9:00)Liquid marble based digital microfluidics: fundamental physics and applications

副标题:


报告题目:

Liquid marble based digital microfluidics: fundamental physics and applications

 

报告人:                  Prof. Nam-Trung Nguyen

     Queensland Micro and Nanotechnology Centre

时间:2018611(周一  9:00-10:00)

地点:中科院力学所综合楼(2号楼)301会议室

 

报告摘要:

Liquid marbles (LMs) are droplets with volume of typically microliters coated with hydrophobic powder. The versatility, ease of use and low cost make LMs an attractive platform for digital microfluidics. The talk will report our recent discoveries in the physics of liquid marbles (LMs) that allow them to serve as miniature labs. First, a novel LM manipulation technique using dielectrophoresis (DEP) will be reported. Using this manipulation technique, the coalescence of two LMs was demonstrated via vertical collision. Next, the robustness of LMs was investigated in terms of evaporation and structural deformation. We demonstrated that a LM cluster can survive thermal cycling conditions up to 95°C in a humidity controlled environment. The robustness of a LM in terms of elasticity was also investigated. Experimental results were compared with simulation based on coarse grained molecular dynamics. The above proof-of-concept data show that liquid marbles are suitable for applications such as large-scale three-dimensional cell culture and high-throughput digital PCR.

 

报告人简介:

Nam-Trung Nguyen received his Dip-Ing, Dr Ing and Dr Ing Habil degrees from Chemnitz University of Technology, Germany, in 1993, 1997 and 2004, respectively. The habilitation degree (Dr Ing Habil ) is the qualification for a full professorship in Germany. In 1998, he was a postdoctoral research engineer in the Berkeley Sensor and Actuator Center (University of California at Berkeley, USA). Prof Nguyen is the First Runner Up of Inaugural ProSPER. Net-Scopus Young Scientist Awards in Sustainable Development in 2009 and the Runner Up of ASAIHL-Scopus Young Scientist Awards in 2008. He is a Fellow of ASME and a Member of IEEE. Nguyen’s research is focused on microfluidics, nanofluidics, micro/nanomachining technologies, micro/nanoscale science, and instrumentation for biomedical applications. He published over 340 journal papers with over 13,000 citations (Google Scholar) and field 8 patents, of which 3 were granted. Among the books he has written, the first and second editions of the bestseller “Fundamentals and Applications of Microfluidics” were published in 2002 and 2006, respectively. His latest book “Nanofluidics” was published in 2009. The second edition of the bestselling book “Micromixer” was acquired and published by Elsevier in 2011.

 

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