Abstract
Double-stranded DNA was used as a molecular wire to enhance the electron transfer reaction between PEO-modified myoglobin (PEO-Mb) and electrode in PEO oligomers. No acceleration but suppression of electron transfer was found when only DNA was used. The π stacking of base-pairs in DNA was enhanced by the complexation with bisbenzimide. Larger current of PEO-Mb was found under suitable values of the molar ratio of bisbenzimide to DNA base pair, the quantity of cast PEO-Mb, and the ratio of DNA base pair to PEO-Mb. DNA/bisbenzimide complex was revealed to be effective for the electron transfer reaction between heme-proteins and electrode even in ion conductive polymer matrix.
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Ohno, H., Nakai, Y. Enhanced Electron Transfer Reaction of Myoglobin in PEO by DNA/Bisbenzimide Complex. Polym J 31, 1145–1148 (1999). https://doi.org/10.1295/polymj.31.1145
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DOI: https://doi.org/10.1295/polymj.31.1145