1,4-DHP-lipid parameters and rod like micellae
Inta Liepina, Cezary Czaplewski, Adam Liwo, Gunars Duburs
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DOI: 10.4236/jbpc.2011.24044   PDF   HTML   XML   3,746 Downloads   6,902 Views   Citations

Abstract

The cationic amphiphilic lipid type compound 1,1’-{[3,5-bis(dodecyloxycarbonyl)-4-phenyl-1,4- dihydropyridin-2,6-diyl]dimethylene} bispyridinium dibromide (1,4-DHP lipid) (charge +2), is a gene transfection agent. The electronic structure of 1,4-DHP lipid molecule was investigated by ab initio quantum mechanics, the charges were derived, and the supramolecular structure formed by 1,4-DHP lipid molecules in water was investigated by means of molecular dynamics simulation, f99 force field, version AMBER 8.0. During the molecular dynamics simulations of 10 ns of MD 1,4-DHP lipid formed a worm-like micellae, which was preserved during the time course of 300 ns of MD simulations. Result was confirmed with the electron microscopy showing extended, rod-like structures as one of the 1,4-DHP lipid supramolecular structures, which are expected to be formed at high 1,4-DHP lipid concentrations.

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Liepina, I. , Czaplewski, C. , Liwo, A. and Duburs, G. (2011) 1,4-DHP-lipid parameters and rod like micellae. Journal of Biophysical Chemistry, 2, 386-394. doi: 10.4236/jbpc.2011.24044.

Conflicts of Interest

The authors declare no conflicts of interest.

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