Effect of Ions on the Aggregation Behavior of Natural Polymer Alginate

被引：27
|
作者：
Yu, Cui-Yun [1 ,2 ]
Wei, Hua [1 ]
Zhang, Qiao [1 ]
Zhang, Xian-Zheng [1 ]
Cheng, Si-Xue [1 ]
Zhuo, Ren-Xi [1 ]
机构：
[1] Wuhan Univ, Key Lab Biomed Polymers, Minist Educ, Dept Chem, Wuhan 430072, Peoples R China
[2] Univ S China, Dept Pharm, Sch Life Sci & Technol, Hengyang 421001, Peoples R China
来源：
JOURNAL OF PHYSICAL CHEMISTRY B | 2009年 / 113卷 / 45期
基金：
中国国家自然科学基金;
关键词：
X-RAY-DIFFRACTION; BLOCK-COPOLYMERS; SODIUM ALGINATE; VESICLES; SHELL; NANOPARTICLES; MORPHOLOGIES; COMPOSITES; GELS; NUCLEATION;
D O I：
10.1021/jp906899j
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：
The effect of the presence of ions on the aggregation behavior of natural polymer alginate in aqueous media was investigated. Through self-assembly of alginate in aqueous solutions containing Ca2+ and CO32- ions under very mild conditions, nanosized aggregates with four different morphologies, i.e., nanosphere, vesicle, nanoparticle, and nanorod, could be obtained under different ion concentrations. This study provides a simple approach to prepare organic/inorganic (O/I) hybrid natural polymer based aggregates with different morphologies.
引用
收藏
页码：14839 / 14843
页数：5
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