Effect of Ions on the Aggregation Behavior of Natural Polymer Alginate

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成果类型：

期刊论文

作者：

Yu, Cui-Yun;Wei, Hua;Zhang, Qiao;Zhang, Xian-Zheng;Cheng, Si-Xue;Zhuo, Ren-Xi

通讯作者：

Si-Xue Cheng

作者机构：

Department of Pharmacy, School of Life Sciences and Technology, University of South China, Hengyang, 421001, People’s Republic of China, and Key Laboratory of Biomedical Polymers of Ministry of Education, Department of Chemistry, Wuhan University, Wuhan 430072, People’s Republic of China

[Zhang, Xian-Zheng; Wei, Hua; Yu, Cui-Yun; Cheng, Si-Xue; Zhuo, Ren-Xi; Zhang, Qiao] Department of Chemistry, Wuhan UniVersity, Ministry of Education, Wuhan 430072, China

[Yu, Cui-Yun] Department of Pharmacy, School of Life Sciences and Technology, UniVersity of South China, Hengyang, 421001, China

通讯机构：

[Cheng, SX ] Wuhan Univ, Key Lab Biomed Polymers, Minist Educ, Dept Chem, Wuhan 430072, Peoples R China.

Department of Chemistry, Wuhan UniVersity, Ministry of Education, China

语种：

英文

关键词：

Aggregation behavior - Aqueous media - Aqueous solutions - Effect of ions - Ion concentrations - Nano-sized - Organic/inorganic - Simple approach

期刊：

Journal of Physical Chemistry B

ISSN：

1520-6106

年：

2009

卷：

113

期：

页码：

14839-14843

DOI：

10.1021/jp906899j

基金类别：

National Natural Science Foundation of ChinaNational Natural ScienceFoundation of China [20774070]; Ministry of Science and Technology ofChina (973)Ministry of Science and Technology, ChinaNational BasicResearch Program of China [2005CB623903]

机构署名：

本校为其他机构

院系归属：

药学与生物科学学院

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 Ca<sup>2+</sup> and CO<inf>3</inf> <sup>2-</sup> 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. ©2009 American Chemical Society.

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