About: Effect of Trace Electrolyte on Liquid Crystal Type ofCellulose Microcrystals

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Attributs	Valeurs
type	work Article
Is Part Of	http://hub.abes.fr/acs/periodical/langd5/2001/volume_17/issue_15/w
Subject	Letter
Title	Effect of Trace Electrolyte on Liquid Crystal Type ofCellulose Microcrystals
has manifestation of work	http://hub.abes.fr/acs/periodical/langd5/2001/volume_17/issue_15/101021la0102455/m/print http://hub.abes.fr/acs/periodical/langd5/2001/volume_17/issue_15/101021la0102455/m/web
related by	http://hub.abes.fr/acs/periodical/langd5/2001/volume_17/issue_15/101021la0102455/authorship/1 http://hub.abes.fr/acs/periodical/langd5/2001/volume_17/issue_15/101021la0102455/authorship/2
Author	Kuga Shigenori Araki Jun
Abstract	The rodlike microcrystal suspension prepared by sulfuric acid hydrolysis of bacterial cellulose was foundto undergo spontaneous nematic phase separation after complete desalination. This phase separation waspreceded by a birefringent glassy-like state for about 1 week. Addition of trace electrolyte (<1 mM NaCl)caused remarkable changes in phase separation behavior; i.e., the separation was complete in 2 days andthe anisotropic phase became chiral nematic. This phenomenon can be explained by the change in theeffective particle shape, from cylindrical to the twisted rod as a result of screening of surface charge.
article type	rapid-communication
is part of this journal	Langmuir

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