신소재공학과

Seminar

Date 20161011 

[Special Seminar]



□ Topic : Dancing magnetic bacteria, cubes and spheres


□ Speaker : Prof. Leon Abelmann (KIST Europe)


□ Date : 2016. 10. 11(Tue) 14:30 ~


□ Venue : KAIST Applied Engineering B/D(W1) #2429


□ Host : Prof. Park, Byong-Guk


□ Abstract :


Since magnetic fields are not hampered by most fluids, it is very easy to control object in fluids by magnetic forces. We will give two examples. In the first project, we control magneto-tactic bacteria inside microfluidic chips. We made them dance, and analyzed and modelled the way in which they react to a rotating external field. The knowledge obtained can be applied to magnetically steered, self-propelled microrobots for instance. 
In the second project, we demonstrate three-dimensional self-assembly using magnetic interaction forces. We do this on the micrometer scale with silicon cubes inside a paramagnetic fluid, and on the centimeter scale with 3D printed objects with embedded magnets. By increasing the size of the objects to such big dimensions, we enable three-dimensional observation at high time resolution. This allowed us to demonstrate fundamental thermodynamical principles, such as Maxwell-Boltzman statistics and the Einstein relation. From the experiments on the macroscale, we hope to learn about more practical applications of self-assembly on the microscale. 


 


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Notice 2/8 (Thu) Prof. Pei-Chen Su (Nanyang Technological University) ADMINI 2018.02.05 267
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201 [Special Seminar] 11/16(Wed), Dr. Seung-Kyun Kang (Dept. of MSE, University of Illinois at Urbana-Champaign) ADMINI 2016.11.16 1431
200 11/14(Tue) Prof. Sangeun Chun (Dept. of MSE, Kyungpook National Univ.) ADMINI 2016.11.14 1459
199 11/8(Tue) Dr. Nikolai Tsvetkov (EEWS, KAIST) ADMINI 2016.11.07 1395
198 11/1(Tue) Prof. Seung Hwan Ko (Dept. of ME, Seoul National Univ.) ADMINI 2016.11.01 1309
197 [Special Seminar] 10/19(Wed), Prof. Wei-Chuan Shih (Departments of Electrical & Computer Engineering, University of Houston) ADMINI 2016.10.18 1365
196 10/18(Tue) Prof. Megumi Kawasaki (Dept. of MSE, Hanyang Univ.) ADMINI 2016.10.17 1313
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194 10/4(Tue) Prof. Junsuk Rho (Dept. of ME/CE, POSTECH) ADMINI 2016.10.04 1404
193 10/4(Tue) KAIST Self-Assembly Symposium 2016 file ADMINI 2016.09.30 1477
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190 9/20(Tue) Dr. Sang Soo Han, (KIST) ADMINI 2016.09.19 1883
189 9/6(Tue) Prof. Seung Yong Park, (The Nelson Mandela African Institution of Science and Technology, Head of the Department of Materials and Energy Science and Engineering) ADMINI 2016.08.29 2456
188 [Special Seminar] 8/23(Tue) Prof. Ji Hwan Kim (MIT) ADMINI 2016.08.22 1925
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183 5/31(Tue) Prof. Dongmok Whang, (School of AMSE, Sungkyunkwan Univ.) ADMINI 2016.05.27 1812