TY - JOUR
T1 - Electrically triggered insertion of single-stranded DNA into single-walled carbon nanotubes
AU - Okada, Takeru
AU - Kaneko, Toshiro
AU - Hatakeyama, Rikizo
AU - Tohji, Kazuyuki
N1 - Funding Information:
The authors thank Dr. Y. Sato and Mr. K. Motomiya for their technical support. This research was partly carried out at the Laboratory for Nanoelectronics and Spintronics, Research Institute of Electrical Communication, Tohoku University. Part of this work was carried out under the Cooperative Research Project Program of the Research Institute of Electrical Communication, Tohoku University. This work was also supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology, Japan, and Tohoku University 21st COE (Center of Excellence) Program.
Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.
PY - 2006/1/10
Y1 - 2006/1/10
N2 - The formation of DNA encapsulated carbon nanotubes, which are expected to modify electronic properties of carbon nanotubes, is for the first time demonstrated using a modified electrophoresis method. Radio-frequency and direct-current electric fields are applied to the DNA solution in order to stretch random-coil-shaped DNA and irradiate DNA to carbon nanotubes that are coated onto electrodes immersed in the DNA solution, respectively. Transmission electron microscopy and Raman scattering spectroscopy analyses reveal that DNA can be encapsulated into the carbon nanotubes. In this procedure, the key for the formation of DNA encapsulated carbon nanotubes is found to irradiate the stretched-shaped DNA to the carbon nanotubes.
AB - The formation of DNA encapsulated carbon nanotubes, which are expected to modify electronic properties of carbon nanotubes, is for the first time demonstrated using a modified electrophoresis method. Radio-frequency and direct-current electric fields are applied to the DNA solution in order to stretch random-coil-shaped DNA and irradiate DNA to carbon nanotubes that are coated onto electrodes immersed in the DNA solution, respectively. Transmission electron microscopy and Raman scattering spectroscopy analyses reveal that DNA can be encapsulated into the carbon nanotubes. In this procedure, the key for the formation of DNA encapsulated carbon nanotubes is found to irradiate the stretched-shaped DNA to the carbon nanotubes.
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U2 - 10.1016/j.cplett.2005.10.030
DO - 10.1016/j.cplett.2005.10.030
M3 - Article
AN - SCOPUS:29344453805
VL - 417
SP - 288
EP - 292
JO - Chemical Physics Letters
JF - Chemical Physics Letters
SN - 0009-2614
IS - 4-6
ER -