Protein-based biomemory device consisting of the cysteine-modified azurin
- Authors
- Choi, Jeong-Woo; Oh, Byung-Keun; Kim, Young Jun; Min, Junhong
- Issue Date
- Dec-2007
- Publisher
- AMER INST PHYSICS
- Citation
- APPLIED PHYSICS LETTERS, v.91, no.26
- Journal Title
- APPLIED PHYSICS LETTERS
- Volume
- 91
- Number
- 26
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/55568
- DOI
- 10.1063/1.2828046
- ISSN
- 0003-6951
1077-3118
- Abstract
- We demonstrated a protein-based memory device using recombinant Pseudomonas aeruginosa azurin (azurin), a metalloprotein with a redox property. Azurin was recombined with a cysteine residue to enhance the stability of the self-assembled protein on the gold surface. The memory device characteristics, including the "read," "write," and "erase" functions of the self-assembled azurin layer, were well demonstrated with three distinct electrical states of azurin layers by cyclic voltammetry. The robustness of the protein-based biomemory device was validated by the repeated electrochemical performance of 500 000 cycles. (c) 2007 American Institute of Physics.
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Collections - College of ICT Engineering > School of Integrative Engineering > 1. Journal Articles
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