Membrane lipids like other amphiphilic molecules can form a variety of different lyotropic
liquid crystallille phases. Among these, the lamellar phase with its muhibilayer structure has …

It has recently been shown that the structure of two of the six cubic phases so far identified in
lipid-containing systems is micellar, one (Q 223) of type I, the other (Q 227) of type II. The …

Uniform lipid layers, in biological membranes, are thought to constitute the passive diffusion
barriers between cellular compartments. The question we wish to ask here is to what extent …

Membrane lipids are invariably polymorphic, that is, they can exist in a variety of different
kinds of organized structures, especially when hydrated. The particular polymorphic form …

Discusses the significance of a novel approach to the studying of the lipid bilayers of cellular
membranes. The use of lipidic cubic phases; The elucidation of the structure of membrane …

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X-ray single crystal analyses of c (~ mplcx lipids have fundamcnlally contributed to, mr
prcscn! knowledge of the structure and molecular propcrlics ol lipids [1-7]. Crystal structure …

Department of Physics, Princeton University, Princeton, New Jersey 08540 Received June
6, 1988; Revised Manuscript Received August 24, 1988 abstract: The lamellargel/liquid …

Several lipid components ofbiological membranes preferentially adopt the hexagonal (HII)
phase on hydration. Moreover, mixed systems containing bilayer and Hn phase lipids ofien …

Polymorphism is a fascinating propcrty of lipids: over the years scores of lipid/water systems
have been explored, dozens of phases have been identified, and their structures have been …