Biomembrane Phase Transitions
نویسندگان
چکیده
منابع مشابه
"Semiempirical" models for biomembrane phase transitions and phase separations.
Experimental studies are reviewed to construct a model for the hydrocarbon chain disordering in “fluid” phospholipid bilayers. Together with approximate expressions for the interactions between neighboring molecules, this information is used to construct a simple statistical thermodynamic theory of the chain “melting” based on the Bragg-Williams approximation. Two unknown parameters in the theo...
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Differential scanning calorimetry has been applied to the study of some simple model biomembranes, i.e. lipid-water systems, and the endothermic phase transitions which they exhibit when transforming from the gel to liquid crystal phase have been studied. These studies show that: 1. When lipids of the same class, e.g. lecithins with dissimilar chain lengths Cl4 and Cl6 are mixed, a continuous s...
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We have studied the phase transitions in atomic clusters by molecular dynamics simulation, assuming Lennard-Jones interatomic pair potential. Calculations are performed by DAP parallel computer. The results are analyzed by simulating their orientational distribution plots (dot-plot), and neutron diffraction patterns. It is shown that all the main features of the bulk phase transitions are e...
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Contents 1 Introduction and motivation: physical phase transitions 2 2 Mathematical abstraction: macroscopic order from microscopic disorder 4 3 The Thermodynamic Formalism and lattice gases 7 3. 5 Bond percolation 22 6 The Ising ferromagnet and bond percolation in two dimensions, and Peierls' argument 23 7 Other important ideas 28 7. Prerequisites This essay covers a number of different mathem...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1974
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(19)42760-9