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Dicarboxylic L-valyl-L-valine bolaamphiphiles produced nanoscale fibers with widths of 10–30 nm, via proton-triggered self-assembly in water, which are dominated by both intralayer, lateral hydrogen-bond networks between end carboxylic acid groups and parallel β-sheet networks between amide groups.
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Kogiso et al. (1998) studied this question.
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