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Redox Reactions of Bio Molecule for Nano-bio Battery

Published online by Cambridge University Press:  01 February 2011

Kwang Min Shin
Affiliation:
coolskm@ihanyang.ac.krHanyang UniversitySeoul N/A N/AKorea, Republic of
Sang Jun Park
Affiliation:
sjpark92@ihanyang.ac.kr, Hanyang University, Seoul, N/A, N/A, Korea, Republic of
Seong Gil Yoon
Affiliation:
pandasky@ihanyang.ac.kr, Hanyang University, Seoul, N/A, N/A, Korea, Republic of
Chang Kee Lee
Affiliation:
withs@ihanyang.ac.kr, Hanyang University, Seoul, N/A, N/A, Korea, Republic of
Su Ryon Shin
Affiliation:
srshin@ihanyang.ac.kr, Hanyang University, Seoul, N/A, N/A, Korea, Republic of
Min Kyoon Shin
Affiliation:
masscsq@ihanyang.ac.kr, Hanyang University, Seoul, N/A, N/A, Korea, Republic of
Bon Kang Gu
Affiliation:
bons1020@ihanyang.ac.kr, Hanyang University, Seoul, N/A, N/A, Korea, Republic of
Min Sup Kim
Affiliation:
kimins21@ihanyang.ac.kr, Hanyang University, Seoul, N/A, N/A, Korea, Republic of
Seon Jeong Kim
Affiliation:
sjk@hanyang.ac.kr, Hanyang University, Seoul, N/A, N/A, Korea, Republic of
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Abstract

Metal oxide nanoparticles within the protein ferritin can act as an energy storage source in nano-bio batteries containing ferrous ferritin and a reconstituted ferritin cage containing different inorganic elements, such as Co, Mn, Ni, and Pt. These components were introduced as two ferritin half-cells with different redox potentials existing between the ferrous ferritin and the reconstituted ferritin. The reduction of ferritin was analyzed in a solution containing 3-[N-morpholino] propanesulfonic acid buffer and oxidized methyl viologen using cyclic voltammetry. The reduction and oxidation peaks of the methyl viologen occurred at potentials of −300 and −100 mV, respectively, and the reduction and the oxidation peaks of the released Fe occurred at potentials of −300 and −100 mV, respectively. The reduction of ferritin was influenced by the pH of the ferritin solution.

Type
Research Article
Copyright
Copyright © Materials Research Society 2006

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