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学科主题: 高分子化学
题名: Amphiphilic chitosan graft copolymer via combination of ROP, ATRP and click chemistry: Synthesis, self-assembly, thermosensitivity, fluorescence, and controlled drug release
其他题名: 采用ROP, ATRP and click方法制备壳聚糖嵌端共聚物: 合成, 自组装, 温敏性和药物释放
作者: Yuan WZ(袁伟忠) ; Li XF(李小菲) ; Gu SY(顾淑英) ; Cao AM(曹阿民) ; Ren J(任杰)
通讯作者: 袁伟忠
刊名: Polymer
发表日期: 2011
卷: 52, 期:3, 页:658-666
收录类别: SCI
部门归属: 同济大学; 中科院上海有机化学研究所
英文摘要: Novel amphiphilic chitosan-g-poly(epsilon-caprolactone)-(g-poly(2-(2-methoxyethoxy)ethyl methacrylate)co-oligo(ethylene glycol) methacrylate) (CS-g-PCL(-g-P(MEO(2)MA-co-OEGMA))) copolymers with double side chains of PCL and P(MEO(2)MA-co-OEGMA) were synthesized via combination of ring-opening polymerization (ROP), atom transfer radical polymerization (ATRP) and click chemistry. The molar ratio of PCL and P(MEO(2)MA-co-OEGMA) was varied through variation of the feed ratio and the coupling efficiency of click chemistry is comparatively high. The graft copolymers can assemble into spherical micelles. The micelles show thermosensitive properties and the lower critical solution temperatures (LCSTs) were influenced by CS chains and the ratio of PCL and P(MEO(2)MA-co-OEGMA) side chains. Moreover, the micelles can reversibly swell and shrink in response to the change of temperatures. Furthermore, the micelles present obvious fluorescence and the fluorescent intensity can be adjusted by altering the temperatures. The investigation of doxorubicin release from the micelles indicated that the release rate of the drug could be effectively controlled by altering the temperatures. (C) 2010 Elsevier Ltd. All rights reserved.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000287013600011
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/22960
Appears in Collections:高分子材料研究室_期刊论文

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Recommended Citation:
Yuan WZ,Li XF,Gu SY,et al. Amphiphilic chitosan graft copolymer via combination of ROP, ATRP and click chemistry: Synthesis, self-assembly, thermosensitivity, fluorescence, and controlled drug release[J]. Polymer,2011,52(3):658-666.
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