Morphology and Thermodynamics of Selenium-Containing Nanosystems: The Effect of Polymer Stabilizers

被引：2

作者：

Valueva, S. V. ^{[1
]}

Kipper, A. I. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Macromol Cpds, St Petersburg 199004, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2017年 / 91卷 / 04期

关键词：

selenium; biocompatible polymer stabilizers; nanosystems; nanostructures; morphology; thermodynamics; COIL-GLOBULE TRANSITION; NANOPARTICLES;

D O I：

10.1134/S0036024417040306

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Nanosystems based on zero-valent selenium and biocompatible polymer stabilizers (polyvinylpyr-rolidone with molecular weight (MW) M-W = (10-55) x 10(3), poly-N, N, N, N-trimethylacryloyloxyethylam-monium methylsulfate with M-W = (30-250) x 10(3) and polyethylene glycol with M-W = (1-40) x 10(3)) are studied by means of static and dynamic light scattering, and the resulting data are compared. Dense spherical multimolecular nanosystems are found to be formed. Morphological and thermodynamic characteristics of selenium-containing nanosystems, depending on the nature and MW of the polymer stabilizer, are determined. It is shown that the properties of nanosystems can be adjusted by varying the molecular weight of the polymer stabilizer.

引用

页码：609 / 612

页数：4

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