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Komplexe Morphologie: Das αSβ1‐Peptid, ein Fragment von α‐Synuclein, ordnet sich zu einem flachen Band aus Peptid‐Doppelschichten an, das basierend auf der Kreuz‐β‐Struktur von Amyloiden modelliert werden kann. Die Bänder werden durch Wasserstoffbrücken stabilisiert, und die amphiphile Natur des Peptids führt zur Doppelschichtstruktur. Zur weiteren Stabilisierung können sich die Bänder helikal verdrehen...
Atomic force microscopy was used to investigate the stability of dehydrated amyloid fibrils formed by human islet polypeptide (IAPP) and Aβ(1–42) peptides. IAPP amyloid fibrils were imaged in liquid (hydrated state) and in air (dehydrated). In addition, fibrils dried on the mica surface were rehydrated and re-examined both in liquid and in air (after consecutive redrying). As reported previously,...
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