维尔茨堡大学研究团队成功开发了一种光驱动纳米机器人,能够追踪、收集和转运细菌1。这些机器人尺寸小于1微米,约为人类头发直径的50倍1,采用多达4个等离子体纳米天线进行光吸收1,通过改变光偏振方向实现转向控制,可执行90°极速转向1。
该研究成果已发表在《自然通讯》期刊上1。领导实验的科学家Jin Qin表示:"我们已经构建了一个光驱动纳米机器人,能够追踪和收集细菌"1。在实验室条件下,这些微型机器人利用光子反冲进行推进,可以有效地从一处收集细菌并将其释放到指定位置1。
Researchers at the University of Würzburg have developed light-powered nanobots capable of tracking, collecting, and transporting bacteria.1 These microscopic robots, measuring less than one micrometer in diameter—roughly 50 times smaller than a human hair—harness photon momentum for propulsion.1 By altering the polarization direction of light, the nanobots can execute sharp 90-degree turns for directional control.1 Each robot is equipped with up to four plasmonic nanoantennae that absorb light and enable steering.1
In laboratory experiments, the nanobots have successfully gathered bacteria from one location and released them at designated sites.1 According to Jin Qin, the lead experimental scientist on the project, "We have built a light-driven nanorobot that can track and collect bacteria."1 The findings were published in Nature Communications on August 18, 2026, with the digital object identifier 10.1038/s41467-026-70685-9.1
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