Please use this identifier to cite or link to this item: http://localhost:8080/xmlui/handle/123456789/818
Title: Reversible transformation between rings and coils in a dynamic hydrogen-bonded self-assembly
Authors: Yagai, S
Kubota, S
Saito, H
Unoike, K
Karatsu, T
Kitamura, A
Ajayaghosh, A
Kanesato, M
Kikkawa, Y
Keywords: Supramolecular polymerization
Triblock copolymer
Molecular dumbbells
Issue Date: 2009
Publisher: American Chemical Society
Citation: Journal of the American Chemical Society 131(15):5408-5410;22 Apr 2009
Abstract: Several proteins, such as tobacco mosaic virus coat protein and the B protein of the bacteriophage A, are known to exhibit unique dynamic self-organization processes. involving ring-shaped and extended helical nanostructures triggered by chemical stimuli. However, transformation of rings into coils as observed in biological assemblies has never been realized with synthetic molecular building blocks. Oligo(p-phenylenevinylene) functionalized on one end with barbituric acid and on the other end with aliphatic tails self-organizes in aliphatic solvents to form nanorings through hydrogen-bonding and pi-stacking interactions. Upon an increase in concentration, the nanorings transform into rodlike nanostructures, which are considered to be formed through helically coiled objects consisting of quasi-one-dimensional fibers.
ISSN: 0002-7863
Appears in Collections:2009

Files in This Item:
File Description SizeFormat 
2009 _ 00063.pdf
  Restricted Access
873.9 kBAdobe PDFView/Open Request a copy

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.