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Blocking out aggregation: Triblock copolymers consisting of a central β-sheet polypeptide block with the repeating [(AlaGly)3GluGly]n sequence and poly(ethylene glycol) (PEG) of Mn=750 g mol−1 were prepared and the assembly properties in the solid state were investigated. Attachment of PEG prevented the macroscopic aggregation of the β-sheet polypeptide portion and, instead, resulted in the formation of well-defined fibrils.
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Smeenk et al. (2005) studied this question.
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