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Spontaneous and X-ray–Triggered Crystallization at Long Range in Self-Assembling Filament Networks

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Cui, Honggang, Pashuck, E. Thomas, Velichko, Yuri S., Weigand, Steven J., Cheetham, Andrew G., Newcomb, Christina J., Stupp, Samuel I.·2010·Science

Abstract

X-rays to Order: Self-assembly of molecules is often irreversible. Cui et al. (p. 555 , published online 17 December; see the Perspective by Safinya and Li ) examined the ordering of a short peptide sequence (Ala 6 Glu 3 ) terminated with an alkyl chain. Aqueous solutions of this molecule could form hexagonally ordered filaments, but more dilute solutions were disordered. However, prolonged x-ray exposure caused these arrays to become ordered. These arrays were stable for several hours but eventually returned to a disordered state; the addition of salts slowed the ordering processes. It is possible that during the ordering process, X-ray–induced charging affected the repulsive forces that balance tension within the filament.

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Metadata

Authors
Cui, H., Pashuck, E. T., Velichko, Y. S., Weigand, S. J., Cheetham, A. G., Newcomb, C. J., & Stupp, S. I.
Venue
Science
Published
2010-01-29
Volume
327
Issue
5965
Pages
555-559
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2062194766
Cited by
172
References
0
FWCI
5.74
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Spontaneous and X-ray–Triggered Crystallization at Long Range in Self-Assembling Filament Networks. https://app.cochat.ai/papers/10.1126/science.1182340
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Cui, H., Pashuck, E. T., Velichko, Y. S., Weigand, S. J., Cheetham, A. G., Newcomb, C. J., & Stupp, S. I. (2010). Spontaneous and X-ray–Triggered Crystallization at Long Range in Self-Assembling Filament Networks. Science. https://doi.org/10.1126/science.1182340

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