Self-assembly in aqueous solution of amphiphilic graft copolymers from oxidized carboxymethylcellulose

被引：14
|
作者：
Bordallo, Eduardo [1 ,3 ,4 ]
Rieumont, Jacques [2 ]
Jose Tiera, Marcio [3 ]
Gomez, Manuel [4 ]
Lazzari, Massimo [4 ]
机构：
[1] Cuban Res Inst Sugar Cane, Havana, Cuba
[2] Univ Havana, Fac Chem, Havana, Cuba
[3] San Paulo Univ, Inst Biosci Humanities & Exact Sci IBILCE, Dept Chem & Environm Sci, Sao Paulo, SP, Brazil
[4] Univ Santiago Compostela, Ctr Res Biol Chem & Mol Mat CIQUS, La Coruna, Spain
来源：
CARBOHYDRATE POLYMERS | 2015年 / 124卷
关键词：
Carboxymethylcellulose; Amphiphilic graft copolymer; Micellization; PEGylation; Fluorescence; DRUG-DELIVERY; POLYMERIC MICELLES; IN-VITRO; DERIVATIVES; CELLULOSE; CARRIER; CHITOSAN; RELEASE; SYSTEM;
D O I：
10.1016/j.carbpol.2015.01.082
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A series of oxidized carboxymethylcellulose-graft-poly(ethylene glycol)-dodecylamine (0CMC-g-PEG-DDA) was prepared by using an appositely prepared PEG with terminal amino groups and different amounts of DDA. The nanoaggregates formed in aqueous solution were characterized by surface tension measurements, fluorescence spectroscopy, dynamic light scattering (DES) and scanning electron microscopies (SEM and TEM). The micelles showed narrow hydrodynamic size distributions and diameters varying from 163 to 193 nm depending on the ratio of DDA to PEG chains. The DDA content in the graft copolymers also affected the core shell interfacial compactness. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：43 / 49
页数：7
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