Biomolecular Memory Device Composed of Cytochrome c on a Self-Assembled 11-Mercaptoundecanoic Acid Layer
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概要
- 論文の詳細を見る
In this study, we developed an advanced molecular memory device that was based on covalently attaching cytochrome c/11-mercapto-undecanoic acid to Au surfaces. Cytochrome c has redox properties, which can be used to store information when coupled into a molecular device. Cytochrome c was immobilized onto Au substrates using the chemical linker 11-mercaptoundecanoic acid. The immobilization of cytochrome c was verified by surface plasmon resonance spectroscopy and the structure of immobilized cytochrome c was determined by scanning tunneling microscopy. In addition, the redox properties of the cytochrome c layer was verified by cyclic voltammetry. Furthermore, the two states memory characteristics of the fabricated film was demonstrated using chronoamperomemtry and the three states memory performance of the device was assessed using open circuit potential amperomemtry. Based on the combined results of this study, it could be concluded that the cytochrome c layer could be used as a nanobiochip platform for memory storage.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2010-01-25
著者
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Lee Taek
Department Of Biological Science And Basic Science Research Institute Sungkyunkwan University
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Choi Jeong-Woo
Department of Chemical and Biomolecular Engineering, Sogang University, #1 Shinsu-dong, Mapo-gu, Seoul 121-742, Korea
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Kim Sang-Uk
Interdisciplinary Program of Integrated Biotechnology, Sogang University, #1 Shinsu-dong, Mapo-gu, Seoul 121-742, Korea
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Min Junhong
College of Bionanotechnology, Kyungwon University, Bokjung-dong, Sujung-gu, Seongnam 461-701, Korea
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Lee Taek
Department of Chemical and Biomolecular Engineering, Sogang University, #1 Shinsu-dong, Mapo-gu, Seoul 121-742, Korea
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