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    Conformation- and phosphorylation-dependent electron tunnelling across self-assembled monolayers of tau peptides

    , Article Journal of Colloid and Interface Science ; Volume 606 , 2022 , Pages 2038-2050 ; 00219797 (ISSN) Ashkarran, A. A ; Hosseini, A ; Loloee, R ; Perry, G ; Lee, K. B ; Lund, M ; Ejtehadi, M. R ; Mahmoudi, M ; Sharif University of Technology
    Academic Press Inc  2022
    Abstract
    We report on charge transport across self-assembled monolayers (SAMs) of short tau peptides by probing the electron tunneling rates and quantum mechanical simulation. We measured the electron tunneling rates across SAMs of carboxyl-terminated linker molecules (C6H12O2S) and short cis-tau (CT) and trans-tau (TT) peptides, supported on template-stripped gold (AuTS) bottom electrode, with Eutectic Gallium-Indium (EGaIn)(EGaIn) top electrode. Measurements of the current density across thousands of AuTS/linker/tau//Ga2O3/EGaIn single-molecule junctions show that the tunneling current across CT peptide is one order of magnitude lower than that of TT peptide. Quantum mechanical simulation... 
Total 141 records