Alignment of $\lambda$-DNA on Organic Monolayer Surface Patterned by Scanning Probe Lithography
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概要
- 論文の詳細を見る
With the combination of a molecular combing technique and scanning probe lithographic patterning, $\lambda$-DNA wires were stretched and aligned to form parallel lines on a patterned organic monolayer surface. The patterned organic monolayer was composed of hydrophilic aminopropyltriethoxysilane (APS) in the middle of hydrophobic octadecyltrichlorosilane (OTS) on a silicon surface. The stretching and alignment of $\lambda$-DNA wires were induced along the lines of the APS layer which attracted $\lambda$-DNA through a coulombic interaction at an early stage of the combing. Weaker van der Waals interaction with the OTS layer induced a settlement of the wire after the sample was dried. The aligned structures were confirmed by tapping-mode atomic force microscope images, aided by positively-charged gold nanoparticles exclusively attached to the DNA backbone.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-03-30
著者
-
Park Jong
Department Mathematics Pusan National University
-
Park Jong
Department of Chemistry, Sungkyunkwan University, Suwon 440-746, Korea
-
Kim Seong
Department of Chemistry, Sungkyunkwan University, Suwon 440-746, Korea
-
Kwon Chilwoo
Department of Chemistry, Sungkyunkwan University, Suwon 440-746, Korea
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KIM Seong
Department of Agricultural Chemistry, The University of Tokyo
-
Shin Minjung
Department of Chemistry, Sungkyunkwan University, Suwon 440-746, Korea
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Kim Taekeun
Department of Chemistry, Sungkyunkwan University, Suwon 440-746, Korea
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Lee Haeseong
Korea Basic Science Institute, Jeonju 561-756, Korea
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