Secondary Structure of Globules of Copolymers Consisting of Amphiphilic and Hydrophilic Units: Effect of Potential Rangeстатья

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Дата последнего поиска статьи во внешних источниках: 29 мая 2015 г.

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[1] Ermilov V. A., Vasilevskaya V. V., Khokhlov A. R. Secondary structure of globules of copolymers consisting of amphiphilic and hydrophilic units: Effect of potential range // Polymer Science - Series A. — 2010. — Vol. 52, no. 3. — P. 317–327. The relation of the coil-globule transition in macromolecules consisting of amphiphilic and hydrophilic monomer units to the radius of action of the interaction potential is investigated by the method of computer-assisted experiments. The internal structure of globules formed by such macromolecules is significantly dependent on the radius of action of the potential. In the case of the long-range potential, the globule is characterized by the blob structure, while in the case of the short-range potential, a quasi-helical structure forms. In this structure, the skeleton of a macromolecule forms a helical turn, and the direction of twisting may vary from one turn to another. The coil-globule transition in such macromolecules proceeds through formation of the necklace conformation from quasi-helical micelle beads. For sufficiently long macromolecules, the dimensions of such globules are linearly dependent on the degree of polymerization. [ DOI ]

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