Aggregates from cetyltrimethylammoniumhydroxynaphthalene carboxylate (CTAHNC): a light scattering study

A light scattering study of cetyltrimethylammoniumhydroxynaphthalene carboxylate (CTAHNC) is presented. In the concentration range studied (0.07–0.6 mM) the structure of the micellar aggregate is likely to be vesicles of size ∼ 100 nm. HNC − is expected to act as a co-surfactant which reduces the be...

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Bibliographic Details
Published in:Colloids and surfaces. A, Physicochemical and engineering aspects Physicochemical and engineering aspects, 1996-10, Vol.117 (1), p.89-94
Main Authors: Hassan, P.A., Narayanan, Janaky, Menon, S.V.G., Salkar, R.A., Samant, S.D., Manohar, C.
Format: Article
Language:English
Subjects:
Aggregates
Bending rigidity
Cetyltrimethylammoniumhydroxynaphthalene
Light scattering
Vesicles
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Summary:A light scattering study of cetyltrimethylammoniumhydroxynaphthalene carboxylate (CTAHNC) is presented. In the concentration range studied (0.07–0.6 mM) the structure of the micellar aggregate is likely to be vesicles of size ∼ 100 nm. HNC − is expected to act as a co-surfactant which reduces the bending rigidity, k c, of the bilayer membrane leading to a rough and undulating surface for the vesicles. The fractal dimension d≈2–2.6, which fits the light scattering data, supports this view. A scanning electron micrograph at a higher concentration indicates that the aggregates are vesicles.
ISSN:0927-7757
1873-4359
DOI:10.1016/0927-7757(96)03675-8