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Water-insoluble films modified on the surface of solid electrodes may provide a unique microenvironment for electron transfer of some redox proteins or enzymes. The film materials can be two-tail surfactants, or composites of polyion-surfactant or clay-surfactant. Both surfactant and composite films cast on surface of electrodes are self-assembled into an(More)
Glutathione-decorated 5 nm gold nanoparticles (AuNPs) and oppositely charged poly(allylamine hydrochloride) (PAH) were assembled into {PAH/AuNP} n films fabricated layer-by-layer (LbL) on pyrolytic graphite (PG) electrodes. These AuNP/polyion films utilized the AuNPs as electron hopping relays to achieve direct electron transfer between underlying(More)
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