Investigation of the redox property of a metalloprotein layer self-assembled on various chemical linkers.
Colloids and Surfaces B: Biointerfaces(2011)
摘要
Myogloblin, a well-known metalloprotein, was immobilized on a gold surface using various chemical linkers to investigate the length effect of chemical linker on the electron transfer in protein layers, because chemical linkers play roles in the pathway that transfers the electron from the protein to the gold substrate and act as protein immobilization reagents. Chemical linkers with 2, 6, 11, and 16 carbons were utilized to confirm length-effects. The immobilization of protein and chemical linker was validated with surface plasmon resonance (SPR) and atomic force microscopy (AFM). The electrochemical property was evaluated by cyclic voltammetry (CV) and chronocoulometry (CC). In those results, redox peaks of immobilized protein were controlled via the length of chemical linkers, and it could be directly applied to the realization of bioelectronic device.
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关键词
Bioelectronic device,Surface plasmon resonance,Atomic force microscopy,Cyclic voltammetry,Chronocoulometry
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