2005/03/25 by Degao Xu, Gerald D. Watt, John N. Harb +1 · 3 citations
Medicine · Energy · Biochemistry, Genetics and Molecular Biology · #Iron Metabolism and Disorders #Iron oxide chemistry and applications #RNA and protein synthesis mechanisms
paper · doi:10.1021/nl048218x
openalex publication_date 2005/03/25 · openalex created_date 2025/10/10 · openalex updated_date 2026/06/15
Electrical conductivity measurements were performed on single apoferritin and holoferritin molecules by conductive atomic force microscopy. Conductivity of self-assembled monolayer films of ferritin molecules on gold surfaces was also measured. Holoferritin was 5-15 times more conductive than apoferritin, indicating that for holoferritin most electron-transfer goes through the ferrihydrite core. With 1 V applied, the average electrical currents through single holoferritin and apoferritin molecules were 2.6 pA and 0.19 pA, respectively.