Fabrication of Self-Oscillating Micelles with a Built-In Oxidizing Agent

被引:14
|
作者
Yoshizawa, Toshiki [1 ]
Onoda, Michika [1 ]
Ueki, Takeshi [2 ]
Tamate, Ryota [2 ]
Akimoto, Aya Mizutani [1 ]
Yoshida, Ryo [1 ]
机构
[1] Univ Tokyo, Sch Engn, Dept Mat Engn, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan
[2] Natl Inst Mat Sci, 1-1 Namiki, Tsukuba, Ibaraki 3050044, Japan
关键词
biomimetics; block copolymers; micelles; ruthenium; structural oscillation; VESICLES; MOTION;
D O I
10.1002/anie.201913264
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Various biological behaviors are fueled by "respiration", which is an example of catabolism. So far, we have reported various self-oscillating soft materials exhibiting bioinspired dynamic movements. These autonomous polymer systems are driven by the Belousov-Zhabotinsky (BZ) reaction, which is analogous to the tricarboxylic acid (TCA) cycle that is an integral part of respiration. However, in the BZ reaction, the external addition of an oxidizing agent is necessary to initiate the oxidation process, which is realized by intracellular moieties such as ubiquinone in living systems. Herein, we realized self-oscillating micelles that are driven without the external addition of an oxidizing agent. This was achieved by embedding the oxidizing source into the structure of the self-oscillating AB diblock copolymers. This strategy introduces a new function equivalent to intracellular oxidizing moieties, and is useful for the design of completely autonomous bioinspired materials.
引用
收藏
页码:3871 / 3875
页数:5
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