Fabrication of Self‐Oscillating Micelles with a Built‐In Oxidizing Agent
Fabrication of Self‐Oscillating Micelles with a Built‐In Oxidizing Agent
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内置氧化剂的自振荡胶束的制造
DOI：
10.1002/anie.201913264
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发表时间：
2020
期刊：
影响因子：
--
通讯作者：
Ryo Yoshida
中科院分区：
文献类型：
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作者：
Toshiki Yoshizawa;Michika Onoda;Takeshi Ueki;Ryota Tamate;Aya Mizutani Akimoto;Ryo Yoshida
各种生物行为是由“呼吸”推动的，这是一个例子。到目前为止，我们已经报道了各种具有生物灵感动态运动的自振荡软材料。这些自主聚合物系统由Belousov-Zhabotinsky（BZ）反应驱动，该反应类似于呼吸的组成部分三羧酸（TCA）循环。然而，在BZ反应中，氧化剂的外部添加是启动氧化过程所必需的，这是通过细胞内部分如生物系统中的泛醌来实现的。在此，我们实现了在没有外部添加氧化剂的情况下驱动的自振荡胶束。这通过将氧化源嵌入自振荡AB二嵌段共聚物的结构中来实现。这种策略引入了一个新的功能相当于细胞内的氧化部分，是非常有用的设计完全自主的仿生材料。
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.