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A Natural Dye in a Mesophase Region of Cetyltrimethylammonium Bromide/ Octan-l-ol/Water System


Citation

Suhaimi, Hamdan and Ahmad, Faujan and Desa, Mohd Zaizi and Che Rose, Laili (1997) A Natural Dye in a Mesophase Region of Cetyltrimethylammonium Bromide/ Octan-l-ol/Water System. Pertanika Journal of Science & Technology, 5 (1). pp. 85-94. ISSN 0128-7680

Abstract / Synopsis

A naturally occurring dye, curcumin, was added to a series of lamellar liquidcrystal mesophases consisting of cetyltrimethylammonium bromide (CTAB),octan-1-o1 and water at 30°C. The changes brought about by the addition of the natural dye were followed by optical microscopy and small angle X-ray diffraction techniques. The inter layer spacings of the lamellar liquid crystal mesophases with the natural dye were observed to be lower than the corresponding structure without dye at the equivalent volume ratio of water. The effect of water and the hydrocarbon chain of the lamellar liquid crystal structure were found to be minimal and further inclusion of curcumin prevented the formation of the mesophase


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Additional Metadata

Item Type: Article
Publisher: Universiti Putra Malaysia Press
Keywords: curcumin, lamellar liquid crystal, small angle X-ray diffraction
Depositing User: Nur Izzati Mohd Zaki
Date Deposited: 25 Nov 2009 11:20
Last Modified: 27 May 2013 15:07
URI: http://psasir.upm.edu.my/id/eprint/3293
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