Redox-Responsive, Core Cross-Linked Polyester Micelles.

Redox-Responsive, Core Cross-Linked Polyester Micelles.
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DOI:
10.1021/mz300522n
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发表时间:
2013-01-15
期刊:
影响因子:
7.015
通讯作者:
Cheng J
Cheng J
中科院分区:
化学1区
文献类型:
--
作者:
Zhang Z;Yin L;Tu C;Song Z;Zhang Y;Xu Y;Tong R;Zhou Q;Ren J;Cheng J

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通过5-(4-(prop-2-yn-1-yloxy)benzyl)-1,3-dioxolane-2,4-dione (Tyr(alkynyl)-OCA)开环聚合合成了单甲氧基聚(乙二醇)-b-聚(Tyr(炔基)-OCA),一种可生物降解的两亲性嵌段共聚物,并通过点击化学制备了核交联聚酯胶束。核心交联不仅提高了胶束的结构稳定性,而且还允许响应还原剂控制货物分子的释放。这种新型核心交联胶束可用于控释和药物输送应用。
Monomethoxy poly(ethylene glycol)-b-poly(Tyr(alkynyl)-OCA), a biodegradable amphiphilic block copolymer, was synthesized by means of ring-opening polymerization of 5-(4-(prop-2-yn-1-yloxy)benzyl)-1,3-dioxolane-2,4-dione (Tyr(alkynyl)-OCA) and used to prepare core cross-linked polyester micelles via click chemistry. Core cross-linking not only improved the structural stability of the micelles but also allowed controlled release of cargo molecules in response to the reducing reagent. This new class of core cross-linked micelles can potentially be used in controlled release and drug delivery applications.
双响应 ABC 三元共聚物在水中的路径依赖性重组装
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