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Updated: May 23, 2026

Synthesis, Assembly, and Characterization of Monolayer Protected Gold Nanoparticle Films for Protein Monolayer Electrochemistry
Published on: October 4, 2011
Photocurrent generation from hierarchical zinc-substituted hemoprotein assemblies immobilized on a gold electrode
Akira Onoda1, Yasuaki Kakikura, Taro Uematsu
1Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Japan.
Abstract:
All connected: a protein-immobilized electrode comprising hierarchical assemblies of photoactive cytochrome b(562) reconstituted with zinc protoporphyrin IX exhibits remarkably enhanced photocurrent generation relative to an electrode bearing a single zinc-substituted hemoprotein layer. The protein oligomers, which bear a covalently linked protoporphyrin group, assemble by a supramolecular heme/heme pocket interaction.
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