Three dimensional bacteria concentration by negative dielectrophoresis

T. Hisajima, L. mao, K. Shinzato, Michihiko Nakano, Junya Suehiro

研究成果: 著書/レポートタイプへの貢献会議での発言

抄録

Thispaper reports a novel method to concentrate bacteria in three-dimension by negative dielectrophoretic (n-DEP) force in a microchannel. This was achieved by placing a thin dielectric layer on one of a pair of parallel plate electrodes. The dielectric layer having a home-plate like pentagonal shape, forms a gradient of electric field causing n-DEP. A three-dimensional numerical simulation of bacteria trajectory predicts that bacteria flowing a microchannel were three-dimensionally concentrated beneath the tip of the pentagonal dielectric thin layer. The trajectory and concentration of bacteria under n-DEP force were also experimentally confirmed using Escherichia coli cells. Bacteria moved along edges of the dielectric layer and were pushed to the opposite electrode, resulting in their concentration in three-dimension. The proposed device might be applicable to selective concentration of bacteria depending on their dielectric properties.

元の言語英語
ホスト出版物のタイトルMaterials Science and Chemical Engineering
ページ251-256
ページ数6
DOI
出版物ステータス出版済み - 7 8 2013
イベント2013 International Conference on Materials Science and Chemical Engineering, MSCE 2013 - , シンガポール
継続期間: 2 20 20132 21 2013

出版物シリーズ

名前Advanced Materials Research
699
ISSN(印刷物)1022-6680

その他

その他2013 International Conference on Materials Science and Chemical Engineering, MSCE 2013
シンガポール
期間2/20/132/21/13

Fingerprint

Electrophoresis
Bacteria
Microchannels
Trajectories
Electrodes
Dielectric properties
Escherichia coli
Electric fields
Computer simulation

All Science Journal Classification (ASJC) codes

  • Engineering(all)

これを引用

Hisajima, T., mao, L., Shinzato, K., Nakano, M., & Suehiro, J. (2013). Three dimensional bacteria concentration by negative dielectrophoresis. : Materials Science and Chemical Engineering (pp. 251-256). (Advanced Materials Research; 巻数 699). https://doi.org/10.4028/www.scientific.net/AMR.699.251

Three dimensional bacteria concentration by negative dielectrophoresis. / Hisajima, T.; mao, L.; Shinzato, K.; Nakano, Michihiko; Suehiro, Junya.

Materials Science and Chemical Engineering. 2013. p. 251-256 (Advanced Materials Research; 巻 699).

研究成果: 著書/レポートタイプへの貢献会議での発言

Hisajima, T, mao, L, Shinzato, K, Nakano, M & Suehiro, J 2013, Three dimensional bacteria concentration by negative dielectrophoresis. : Materials Science and Chemical Engineering. Advanced Materials Research, 巻. 699, pp. 251-256, 2013 International Conference on Materials Science and Chemical Engineering, MSCE 2013, シンガポール, 2/20/13. https://doi.org/10.4028/www.scientific.net/AMR.699.251
Hisajima T, mao L, Shinzato K, Nakano M, Suehiro J. Three dimensional bacteria concentration by negative dielectrophoresis. : Materials Science and Chemical Engineering. 2013. p. 251-256. (Advanced Materials Research). https://doi.org/10.4028/www.scientific.net/AMR.699.251
Hisajima, T. ; mao, L. ; Shinzato, K. ; Nakano, Michihiko ; Suehiro, Junya. / Three dimensional bacteria concentration by negative dielectrophoresis. Materials Science and Chemical Engineering. 2013. pp. 251-256 (Advanced Materials Research).
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