Effects of Viability and Lectin Protein Binding on Dielectrophoretic Behavior of Single Yeast Cells.
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- IKEDA Ikuhiro
- Department of Chemistry, Graduate School of Science, Osaka University
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- TSUKAHARA Satoshi
- Department of Chemistry, Graduate School of Science, Osaka University
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- WATARAI Hitoshi
- Department of Chemistry, Graduate School of Science, Osaka University
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The dielectrophoretic (DEP) behavior of individual yeast cells (5 - 7 μm in diameter) in aqueous media was observed in a fabricated planar quadrupole microelectrode with a working area of 100 μm in diameter by an optical microscope. The yeast cells migrated in the radial direction in the working area. The DEP velocity of the cells increased as they approached the electrode. The DEP trajectory of the cells was analyzed with a theoretical equation derived previously, and the dielectrophoretic mobility was determined. The dielectrophoretic mobility was found to be affected by the viability of cells, the conductivity of the medium, and the binding of lectin protein (concanavalin A) to the cell surface. These DEP behaviors were analyzed based on the permittivities and conductivities of the cell interior and wall, and those of the medium.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 19 (1), 27-31, 2003
社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390001204258006912
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- NII論文ID
- 10011102699
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- NII書誌ID
- AA10500785
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- COI
- 1:CAS:528:DC%2BD3sXntlOlsQ%3D%3D
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- ISSN
- 13482246
- 09106340
- http://id.crossref.org/issn/09106340
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- NDL書誌ID
- 6408787
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- PubMed
- 12558019
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可