Stimuli-Induced Core-Corona Inversion of Micelle of Poly(acrylic acid)-block-Poly(N-isopropylacrylamide) and Its Application in Drug Delivery

被引:47
作者
Bastakoti, Bishnu Prasad [1 ]
Guragain, Sudhina [2 ]
Nakashima, Kenichi [2 ]
Yamauchi, Yusuke [1 ,3 ]
机构
[1] Natl Inst Mat Sci, World Premier Int WPI Res Ctr Mat, Tsukuba, Ibaraki 3050044, Japan
[2] Saga Univ, Dept Chem, Fac Sci & Engn, Saga 8408502, Japan
[3] Waseda Univ, Fac Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan
基金
日本学术振兴会;
关键词
block copolymers; core-corona inversion; drug carriers; polymeric micelles; schizophrenic micelles; SCHIZOPHRENIC DIBLOCK COPOLYMER; POLYMERIC MICELLES; BLOCK-COPOLYMER; CLOUD POINT; MOLECULAR-WEIGHT; SURFACTANTS; ACID); NANOSPHERES; MICELLIZATION; NANOPARTICLES;
D O I
10.1002/macp.201400440
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Core-corona inversion of micelles of diblock copolymer poly(acrylic acid)-block-poly(N-isopropylacrylamide) (PAA-b-PNIPAM), has been successfully realized by switching either pH or temperature. The strong interaction of doxorubicin with the PAA block and the pH-sensitive drug release from the polymer make the system very useful as a controlled drug delivery system. The encapsulation of hydrophobic Nile Red molecules above the lower critical solution temperature of PNIPAM suggests that this polymer may be useful for removing hydrophobic pollutants.
引用
收藏
页码:287 / 291
页数:5
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