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Literature DB >> 9533705

Comparative study of the effects of several n-alkanes on phospholipid hexagonal phases.

Abstract

The effects of a series of normal alkanes (decane, dodecane, tetradecane, hexadecane, and octadecane) on the hexagonal H(II) structures containing dioleoylphosphatidylethanolamine (DOPE) and dioleoylphosphatidylcholine (DOPC) were studied using x-ray diffraction and osmotic stress. The alkanes affect structural dimensions and the monolayer intrinsic curvature and bending modulus. The alkane effects are chain-length dependent and are attributed to their different distribution within the H(II) structure. The data suggest that short-chain alkanes are more uniformly distributed within the H(II) hydrocarbon regions and change the curvature and bending modulus of the monolayer, whereas longer-chain alkanes appear confined more to the interstitial region and do not change the curvature and bending modulus.

Entities: Chemical

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Year: 1998 PMID： 9533705 PMCID： PMC1302573 DOI： 10.1016/S0006-3495(98)74017-2

Source DB: PubMed Journal: Biophys J ISSN： 0006-3495 Impact factor: 4.033

18 in total

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