Effects of Tilt Angle, DNA Concentration, and Surface Potential on Directed Alignment of DNA Molecule for the Application to Nanodevices
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概要
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This paper reports an efficient approach to control both the density and direction of highly aligned DNA molecules and thus DNA-templated gold nanowires (AuNWs) on Si chips. We utilized tilting method to prepare stretched DNA structures on SiO<inf>2</inf>/Si substrate and found important parameters in the alignment process that tilt angle, DNA concentration, and surface potential are controlled the density and structure of DNA aligned on the surface. In additional, we also can be directly connected DNA-templated AuNWs between two terminal electrodes on Si chips. This method also describes a simple way to form singled, bundled and networked DNA arrays on Si substrates.
- 2013-03-25
著者
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Kim Hyung
College of Information and Communication Engineering, Sungkyunkwan University, Suwon, Gyeonggi 440-746, Republic of Korea
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Hong Byungyou
College of Information and Communication Engineering, Sungkyunkwan University, Suwon, Gyeonggi 440-746, Republic of Korea
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