... Hesser2, Martin Muik3, Christian Wechselberger4 and Alexander Jilek11 Institute of Organic Chemistry, Johannes Kepler University Linz, Austria2 CSNA Center for Surface- and Nanoanalytics, Johannes ... MicroscopeSciences, Hatfield, PA, USA) or NanoVan (Nanoprobes,Yaphank, NY, USA) and examined with a Jeol 2010 electronmicroscope (Tokyo, Japan) operated at 100 kV.FTIRHydrogen exchange of the peptides was performed ... 3).Structural rearrangement of aggregatesDuring fibril breakdown at pH 6, we observed the for-mation of metastable granular aggregates of differentsize and morphology (Fig. 4). Aggregate size rangedfrom...