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  • Title: Direct electrochemical and AFM detection of amyloid-β peptide aggregation on basal plane HOPG.
    Author: Lopes P, Xu M, Zhang M, Zhou T, Yang Y, Wang C, Ferapontova EE.
    Journal: Nanoscale; 2014 Jul 21; 6(14):7853-7. PubMed ID: 24934601.
    Abstract:
    Amyloidogenesis is associated with more than 30 human diseases, including Alzheimer's which is related to aggregation of β-amyloid peptide (Aβ). Here, consecutive stages of Aβ42 aggregation and amyloid fibril formation were followed electrochemically via oxidation of tyrosines in Aβ42 adsorbed on the basal plane graphite electrode and directly correlated with Aβ42 morphological changes observed by atomic force microscopy of the same substrate. The results offer new tools for analysis of mechanisms of Aβ aggregation.
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