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Structure of DNA-CTAB-hexanol complexes

Krishnaswamy, Rema and Pabst, Georg and Rappolt, Michael and Raghunathan, VA and Sood, AK (2006) Structure of DNA-CTAB-hexanol complexes. In: Physical Review E, 73 . 031904-1.

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We have probed structures of the complexes formed by DNA with the cationic surfactant cetyltrimethylammonium bromide in the presence of the cosurfactant hexanol, using small angle x-ray diffraction techniques. They are found to exhibit a hexagonal $\rightarrow$ lamellar $\rightarrow$ hexagonal transition with increasing hexanol content. Quantitative analysis of the diffraction data shows that the complexes formed at low hexanol concentrations have an intercalated hexagonal $(H_I)$ structure, whereas those formed at higher hexanol content have an inverted hexagonal $(H_I_I)$ structure.

Item Type: Journal Article
Publication: Physical Review E
Publisher: American Physical Society
Additional Information: Copyright of this article belongs to American Physical Society.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 26 Apr 2006
Last Modified: 19 Sep 2010 04:26
URI: http://eprints.iisc.ac.in/id/eprint/6480

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