Reversible helical unwinding transition of a self-assembling peptide amphiphile

被引:73
作者
Hamley, Ian W. [1 ]
Dehsorkhi, Ashkan [1 ]
Castelletto, Valeria [1 ]
Furzeland, Steve [2 ]
Atkins, Derek [2 ]
Seitsonen, Jani [3 ]
Ruokolainen, Janne [3 ]
机构
[1] Univ Reading, Dept Chem, Reading RG6 6AD, Berks, England
[2] Colworth Discover Unilever R&D, Sharnbrook MK44 1LQ, Beds, England
[3] Aalto Univ, Sch Sci, Dept Appl Phys, FI-00076 Aalto, Finland
基金
英国工程与自然科学研究理事会;
关键词
AMYLOID-BETA-PEPTIDE; THIOFLAVIN-T; INFRARED-SPECTROSCOPY; RIBBONS; PROTEINS; TUBULES; FIBRILLIZATION; ALZHEIMERS; FRAGMENT; FIBRILS;
D O I
10.1039/c3sm51725j
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A designed peptide amphiphile C-16-KKFFVLK self-assembles into nanotubes and helical ribbons in aqueous solution at room temperature. A remarkable unwinding transition, leading to twisted tapes, is observed on heating. Nanotubes and ribbons re-form on cooling.
引用
收藏
页码:9290 / 9293
页数:4
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