Fabrication of Nano Scaled Protein Monolayer Consisting of Cytochrome c on Self-Assembled 11-MUA Layer for Bioelectronic Device
- Authors
- Lee, Taek; Kim, Sang-Uk; Lee, Jin-Ho; Min, Junhong; Choi, Jeong-Woo
- Issue Date
- Dec-2009
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Cytochrome c; Biodevice; Surface Plasmon Resonance; Scanning Tunneling Microscopy; Cyclic Voltammetry
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.9, no.12, pp 7136 - 7140
- Pages
- 5
- Journal Title
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
- Volume
- 9
- Number
- 12
- Start Page
- 7136
- End Page
- 7140
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/55580
- DOI
- 10.1166/jnn.2009.1663
- ISSN
- 1533-4880
1533-4899
- Abstract
- The biomolecular/organic hetero-structure films (cytochrome c/11-mercapto-unclecanoic acid) on gold substrates were controlled and fabricated with molecular level for developing valuable molecular electronic devices. Cytochrome c is a metalloprotein having redox property, which can be directly applicable to biomemory device as a active element. For efficient immobilization of the protein on the gold substrate, 11-mercapto-undecanoic acid (11-MUA) was used as a linker material between protein and inorganic substrate. The proposed nano scaled biomolecular/organic hetero-structure layer (cytochrome c/11-MUA) on gold surface was investigated by using surface plasmon resonance technique. The molecular morphology of the fabricated protein layer was confirmed by scanning tunneling microscopy. Electrochemical properties of fabricated biomolecular/organic hetero layer were verified using cyclic voltammetry. Their redox properties was sustained over 1000 cycles of cyclic voltametry. It proved that the fabricated film was a suitable platform for the bioelectronic device application.
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