Calorimetric investigations of the melting and crystallization of irradiated polyethylene

Gordiyenko, V.P.; Demchenko, S.S.; Yankova, Svetla; Privalko, V. P.

doi:10.1016/0032-3950(84)90246-6

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Cited by 17 publications

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Polysoaps and biopolymers: The effect of secondary structure on the extension elasticity

Borisov¹,

Halperin

1999

Macromolecular Symposia

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Extension of DNA and the protein titin reveals a plateau in the force us. end-to-end distance diagram. A similar feature is predicted for the stretching elasticity of long polysoaps. These are linear hydrophilic chains that incorporate, at intervals, covalently bound amphiphilic monomers. In water, the amphiphilic monomers self-assemble into intrachain micelles thus endowing the chain with a secondary structure. The similarity in the force laws is traceable to the equilibration of the secondary structure. For polysoaps forming a linear string of micelles, the plateau is associated with a coexistence of weakly perturbed micelles and fully dissociated amphiphiles. Similar scenarios can be invoked to explain the behaviour of DNA and titin. The resulting functional form seems to depend only weakly on the precise nature of the system.

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Polysoaps and biopolymers: The effect of secondary structure on the extension elasticity

Borisov¹,

Halperin

1999

Macromolecular Symposia

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The effect of tethered polymers on the conformation of a lipid membrane

Birshtein

Zhulina

1997

Macro Theory & Simulations

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SUMMARYWe consider the effect of tethered macromolecules on the stability of the flat conformation of a lipid bilayer in a dense brush regime when anchored chains are significantly overlapped. On the basis of a scaling approach we have shown that redistribution of polymer chains from inner to outer layers reduces the free energy of the system and stabilizes spherically bent configurations of the membrane.

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