Association of chitosan in the presence of an anionic surfactant in aqueous-glycerol solutions

被引：0
|
作者：
Shilova, S. V. [1 ]
Tret'yakova, A. Ya [1 ]
Barabanov, V. P. [1 ]
机构：
[1] Kazan Natl Res Univ Technol, Ul Karla Marksa 68, Kazan 420015, Tatarstan, Russia
来源：
RUSSIAN JOURNAL OF APPLIED CHEMISTRY | 2017年 / 90卷 / 08期
关键词：
POLYELECTROLYTE COMPLEXES; DELIVERY; POLYPLEXES; DNA;
D O I：
10.1134/S1070427217080298
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The effect of additions of sodium tetradecyl sulfate as an anionic surfactant on the association of chitosan macromolecules in aqueous-glycerol solutions was studied by fluorescence probe spectroscopy and dynamic light scattering. Associates of 40-170 nm size are formed on reaching a certain critical concentration of chitosan in solutions. The critical association concentration of chitosan in solutions containing 10-30 vol % glycerol is higher than in aqueous solutions. Formation of chitosan-surfactant complexes enhances the tendency of chitosan macromolecules to association in water-glycerol mixed solvents.
引用
收藏
页码：1372 / 1378
页数：7
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