Self-assembly of β-cyclodextrin and pluronic into hollow nanospheres in aqueous solution

被引：35

作者：

Qin, Jie ^{[1
,2
]}

Meng, Xianwei ^{[2
]}

Li, Bangjing ^{[3
]}

Ha, Wei ^{[3
]}

Yu, Xiaoqi ^{[1
]}

Zhang, Sheng ^{[2
]}

机构：

[1] Sichuan Univ, Minist Educ, Key Lab Green Chem & Technol, Dept Chem, Chengdu 610041, Peoples R China

[2] Sichuan Univ, Polymer Res Inst, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China

[3] Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Peoples R China

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2010年 / 350卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Self-assembly; Inclusion complex; Cyclodextrin; Pluronic; Hollow nanosphere; INCLUSION COMPLEX-FORMATION; ALPHA-CYCLODEXTRIN; POLY(ETHYLENE GLYCOL); TRIBLOCK COPOLYMERS; POLYMERIC MICELLES; BLOCK-COPOLYMERS; SPHERES; SUPRAMOLECULES; POLYROTAXANE; BEHAVIOR;

D O I：

10.1016/j.jcis.2010.07.019

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：

This paper studies self-assembly of p-cyclodextrin (3-CD) and tri-block pluronic (PEG-PPG-PEG) in aqueous solution. It was found that they could form hollow spheres due to the formation of coil-rod beta-CD/PEG-PPG-PEG inclusion complexes. In these beta-CD/PEG-PPG-PEG complexes, the beta-CDs are preferentially stacked along the PPG block of pluronic to form rod block and PEG segments act as coil block. The assemblies of beta-CD/PEG-PPG-PEG complexes show dependence of beta-CDs concentration and temperature. Furthermore, the aggregates will disrupt upon dilution below the critical micelle concentration. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：447 / 452

页数：6

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