Nanoscale Imaging of Biomolecules by Controlled Carbon Nanotube Probes
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概要
- 論文の詳細を見る
We use a carbon nanotube (CNT) probe to observe the details in double-stranded deoxyribonucleic acid (DNA) and proteins under atomic force microscopy (AFM) tapping mode in air. The DNA has periodic helical turns of approximately 4 nm interval. Fine ring like and helical structures in the proteins adsorbed on graphite have also been resolved. These results cannot be reproduced using conventional AFM silicon probes. The superiority of the CNT probe applied with the AFM tapping mode lies in both the unique mechanical and chemical properties of the carbon nanotube, and in our ability to tailor the length and adjust the angle of the CNT probe attached to a commercial AFM tip.
- 2004-07-15
著者
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Tsong Tien
Institute Of Physics Academia Sinica
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Wang Ting-fang
Institute Of Biological Chemistry Academia Sinica
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CHANG Yuan
Graduate School of Engineering Science and Technology, National Yunlin University of Science and Tec
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WANG Dau
Graduate School of Engineering Science and Technology, National Yunlin University of Science and Tec
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Lee Ming-hui
Institute Of Biological Chemistry Academia Sinica
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Wu Mei-yueh
Department Of Physics National Taiwan Normal University
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Fu Tsu-yi
Department Of Physics National Taiwan Normal University
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Chang Chia
Institute Of Applied Mechanics National Taiwan University
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Wang Dau
Graduate School of Engineering Science and Technology, National Yunlin University of Science and Technology, Touliu, Taiwan, Republic of China
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Lee Ming-Hui
Institute of Biological Chemistry, Academia Sinica, Nankang, Taipei, Taiwan, Republic of China
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Wu Mei-Yueh
Department of Physics, National Taiwan Normal University, Taipei, Taiwan, Republic of China
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Fu Tsu-Yi
Department of Physics, National Taiwan Normal University, Taipei, Taiwan, Republic of China
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