Assembly of nanotubes of poly(4-vinylpyridine) and poly(acrylic acid) through hydrogen bonding

被引：63
|
作者：
Tian, Ying [1 ]
He, Qiang [1 ]
Cui, Yue [1 ]
Tao, Cheng [1 ]
Li, Junbai [1 ]
机构：
[1] Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing Natl Lab Mol Sci,Key Lab Colloid & Interf, Beijing 100080, Peoples R China
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2006年 / 12卷 / 18期
关键词：
drug delivery; hydrogen bonds; layer-by-layer assembly; nanotubes; polymers;
D O I：
10.1002/chem.200600208
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Nanotubes of poly(4-vinyl-pyridine) (PVP) and poly(acrylic acid) (PAA) were fabricated by hydrogen bonding based on layer-by-layer (LbL) assembly. The uniform and flexible tubular structures were characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). FTIR and X-ray photoelectron spectroscopy (XPS) measurements confirm the formation of hydrogen bonds in the assembled nanotubes. PAA can be released from the assembled PAA/PVP nanotubes in a basic aqueous solution to give the walls of the tubes a porous structure. Such assembled nanotubes can be considered as carriers for catalysts or drugs, especially in aqueous solution against capillary force.
引用
收藏
页码：4808 / 4812
页数：5
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