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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.19 No.11[Special Edition]
- 발행연도
- 2005.11
- 수록면
- 2,138 - 2,144 (7page)
이용수
초록· 키워드
오류제보하기
A novel transport measurement scheme of 60 base pairs of poly(dG)-poly(dC) DNA molecules using Au nanoparticles is devised and implemented. Thiol (-SH) terminations are synthesized at both 5’ and 3’ ends of the double stranded DNA molecules and they can be chemisorbed on the Au surface through sulfur atoms by covalent bonding. These thiol-modified ends make chemical bindings with Au nanoparticles and Au nano-gap electrodes, forming a stable electrode-DNA-nanoparticle-DNA-electrode conduction channel. This transport channel is self-formed and is stable due to robust bonding of thiol and Au. The current-voltage characteristic measured from our device shows a nonlinear behavior and the voltage gap is comparable to the result of previous experiment using the same molecules. This self-trapping method by thiol modified DNA molecules would also be a promising technique for efficient nanoparticle trapping.
목차
Abstract
1. Introduction
2. Experimental Procedure
3. Results and Discussion
4. Conclusion
Acknowledgments
References
참고문헌 (22)
참고문헌 신청
Aviram, A. and Ratner, M., 1974, "Molecular rectifiers," Chern. Phys. Left., Vol.29, No.2, pp.277~283.
Bezryadin, A., Dekker, C. and Schmid, G., 1997, "Electrostatic Trapping of Single Conducting Nanoparticles Between Nanoelectrodes," Appl. Phys. Left., Vol.71, No.9, pp.1273~1275.
Chae, J.-W. and Lee, Y.-S., 2004, "Modeling and Numerical Investigation of the Biomechanical Interaction for Human-Rifle System," KSME International Journal, Vol.18 No.12, pp.2069~2079.
Cuniberti, G., Craco, L., Porath, D. and Dekker, C., 2002, "Backbone-induced Semiconducting Behavior in Short DNA Wires," Phys. Rev. B, Vol.65, No.24, 241314~1-4.
Dandliker, P. J., Holmlin, R. E. and Barton, J. K., 1997, "Oxidative Thymine Dimer Repair in the DNA Helix," Science, Vol.275, pp.1465~1468.
Bezryadin, A., Dekker, C. and Schmid, G., 1997, "Electrostatic Trapping of Single Conducting Nanoparticles Between Nanoelectrodes," Appl. Phys. Left., Vol.71, No.9, pp.1273~1275.
Chae, J.-W. and Lee, Y.-S., 2004, "Modeling and Numerical Investigation of the Biomechanical Interaction for Human-Rifle System," KSME International Journal, Vol.18 No.12, pp.2069~2079.
Cuniberti, G., Craco, L., Porath, D. and Dekker, C., 2002, "Backbone-induced Semiconducting Behavior in Short DNA Wires," Phys. Rev. B, Vol.65, No.24, 241314~1-4.
Dandliker, P. J., Holmlin, R. E. and Barton, J. K., 1997, "Oxidative Thymine Dimer Repair in the DNA Helix," Science, Vol.275, pp.1465~1468.
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UCI(KEPA) : I410-ECN-0101-2009-550-018231527