Directed positioning of single cells in microwells fabricated by scanning probe lithography and wet etching methods

Scanning probe microscopy has emerged as a powerful technique for mapping the surface morphology of biological specimens, including proteins and cells. In addition to providing measurements of topographic images, it enables the fabrication of micro-/nanostructures with a high spatial resolution. Her...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 24(2008), 6 vom: 18. März, Seite 2597-602
1. Verfasser: Choi, Inhee (VerfasserIn)
Weitere Verfasser: Yang, Young In, Kim, Yun-Jung, Kim, Younghun, Hahn, Ji-Sook, Choi, Kyunghee, Yi, Jongheop
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Water 059QF0KO0R Silicon Z4152N8IUI
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245 1 0 |a Directed positioning of single cells in microwells fabricated by scanning probe lithography and wet etching methods 
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520 |a Scanning probe microscopy has emerged as a powerful technique for mapping the surface morphology of biological specimens, including proteins and cells. In addition to providing measurements of topographic images, it enables the fabrication of micro-/nanostructures with a high spatial resolution. Herein, we demonstrate a simple and reliable method for the preparation of single Escherichia coli bacterial cell arrays using pre-fabricated microwell structures. Using a <100>-oriented silicon substrate, microwell arrays with inclined sidewalls were fabricated by scanning probe lithography and sequential chemical wet etching. The trapping efficiency of single cells was optimized by controlling the geometries of the microwells. These data suggest that single-cell arrays may be applicable in a variety of areas, including drug testing and toxicology, as well as basic cell biology 
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700 1 |a Yang, Young In  |e verfasserin  |4 aut 
700 1 |a Kim, Yun-Jung  |e verfasserin  |4 aut 
700 1 |a Kim, Younghun  |e verfasserin  |4 aut 
700 1 |a Hahn, Ji-Sook  |e verfasserin  |4 aut 
700 1 |a Choi, Kyunghee  |e verfasserin  |4 aut 
700 1 |a Yi, Jongheop  |e verfasserin  |4 aut 
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