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Kim, Taesung
Microfluidics & Nanomechatronics Lab (μFNM)
Research Interests
  • Microfluidics & Nanofluidics
  • Nanoscale Transport Phenomena
  • MEMS & BioMEMS
  • Nanofabrication & Nanomechatronics

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Microfabricated ratchet structures for concentrating and patterning motile bacterial cells

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dc.contributor.author Kim, Sang Yub ko
dc.contributor.author Lee, Eun Se ko
dc.contributor.author Lee, Ho Jae ko
dc.contributor.author Lee, Se Yeon ko
dc.contributor.author Lee, Sung Kuk ko
dc.contributor.author Kim, Taesung ko
dc.date.available 2014-04-10T01:28:37Z -
dc.date.created 2013-06-12 ko
dc.date.issued 2010-09 ko
dc.identifier.citation JOURNAL OF MICROMECHANICS AND MICROENGINEERING, v.20, no.9, pp.1 - 6 ko
dc.identifier.issn 0960-1317 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/3141 -
dc.description.abstract We present a novel microfabricated concentrator for Escherichia coli that can be a stand-alone and self-contained microfluidic device because it utilizes the motility of cells. First of all, we characterize the motility of E. coli cells and various ratcheting structures that can guide cells to move in a desired direction in straight and circular channels. Then, we combine these ratcheting microstructures with the intrinsic tendency of cells to swim on the right side in microchannels to enhance the concentration rates up to 180 fold until the concentrators are fully filled with cells. Furthermore, we demonstrate that cells can be positioned and concentrated with a constant spacing distance on a surface, allowing spatial patterning of motile cells. These results can be applied to biosorption or biosensor devices that are powered by motile cells because they can be highly concentrated without any external mechanical and electrical energy sources. Hence, we believe that the concentrator design holds considerable potential to be applied for concentrating and patterning other motile microbes and providing a versatile structure for motility study of bacterial cells. ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher IOP PUBLISHING LTD ko
dc.title Microfabricated ratchet structures for concentrating and patterning motile bacterial cells ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-77957792983 ko
dc.identifier.wosid 000281398800006 ko
dc.type.rims ART ko
dc.description.wostc 6 *
dc.description.scopustc 4 *
dc.date.tcdate 2014-10-18 *
dc.date.scptcdate 2014-07-12 *
dc.identifier.doi 10.1088/0960-1317/20/9/095006 ko
dc.identifier.url http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=77957792983 ko
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