Sliding Columnar Phase of DNA-Lipid Complexes

Details Sliding Columnar Phase of DNA-Lipid Complexes Sliding Columnar Phase of DNA-Lipid Complexes

1997-12-03

arxiv.org/abs/cond-mat/9712049v3

Phy. Rev. Lett. 80, 4345 (1998)

Physics

Condensed Matter

Soft Condensed Matter

This file contains 4 pages of double column text and one postscript figure. This version includes interactions between disloca

Scientific paper

10.1103/PhysRevLett.80.4345

We introduce a simple model for DNA-cationic-lipid complexes in which galleries between planar bilayer lipid lamellae contain DNA 2D smectic lattices that couple orientationally and positionally to lattices in neighboring galleries. We identify a new equilibrium phase in which there are long-range orientational but not positional correlations between DNA lattices. We discuss properties of this new phase such as its X-ray structure factor S(r), which exhibits unusual exp(- const.ln^2 r) behavior as a function of in-plane separation r.

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